Why are our IQs Falling?

  Рет қаралды 151,107

TLDR News Global

TLDR News Global

2 жыл бұрын

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It turns out that for the last couple decades IQ scores have been falling in developed nations. So we wanted to unpick what's happening and some of the reasons which could explain this falling intelligence level...
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1 - en.wikipedia.org/wiki/Intelli...
2 - www.ncbi.nlm.nih.gov/pmc/arti...
3 - www.who.int/news-room/questio...
4 - pubmed.ncbi.nlm.nih.gov/8162884/
5 - psycnet.apa.org/record/1969-0...
6 - www.sciencedirect.com/science...
7 - www.psu.edu/news/research/sto...
8 - www.statista.com/statistics/2...
9 - www.sciencedirect.com/science...
10 - www.iapsych.com/iqmr/fe/Linked...
11 - www.sciencedirect.com/science...
12 - www.sciencedirect.com/science...
13 - www.sciencedirect.com/science...
14 - www.iapsych.com/iqmr/fe/Linked...
15 - www.sciencedirect.com/science...
16 - worldpopulationreview.com/cou...
17 - www.nas.org/blogs/article/edu...
18 - www.ncbi.nlm.nih.gov/pmc/arti...
19 - global.oup.com/academic/produ...

Пікірлер: 1 700
@Criminal916
@Criminal916 2 жыл бұрын
Well here in Finland army, if you get too good score, you are forced to 1 year corpolar training, instead of 6 months, so me and friends did it lazily as possible.
@RandyMCPEmaster
@RandyMCPEmaster 2 жыл бұрын
Wait, why?
@somethinglikethat2176
@somethinglikethat2176 2 жыл бұрын
that makes a lot of sense. when did they bring that in?
@Killinemkid
@Killinemkid 2 жыл бұрын
@@RandyMCPEmaster Because they don't like autistic people and autistic people tend to have IQs that are either far above or far below average. High IQ individuals are more prone to neuroticism and if they can break you in training, then they don't want you making it out of training. Also, autistic people are more likely to try to enforce rules, and in war, people don't like to obey rules. They want to r**e and torture and slaughter innocent people (sometimes) without consequence. Same reason the US police don't allow people with genius level IQ scores into the police force. Though, if you know that, and you really are smart, you'll be smart enough to know how many to get wrong. Suffice it to say, the world isn't going to get prettier with people like these running it.
@paulluka2029
@paulluka2029 2 жыл бұрын
😂😂😂
@USSAnimeNCC-
@USSAnimeNCC- 2 жыл бұрын
I don't blame you form older men who served that I know like my uncle I heard that it the most boring job ever with 10% terror also you'll be better off doing something else unless you're really want that military life
@nerdlingeeksly5192
@nerdlingeeksly5192 2 жыл бұрын
Dysgenic selection is literally the basis for idiocracy
@catherinebirch2399
@catherinebirch2399 Жыл бұрын
That movie reminds me of when I lived in Portsmouth, UK. The people there were the dumbest that I've ever encountered.
@Drikkerbadevand
@Drikkerbadevand Жыл бұрын
That movie is extremely optimistic though. Theres still a government, albeit a pseudo dictatorship, people are high in trust and theres law and order (to some degree) None of these things would be real in a society with an average IQ of 85
@Glebatron
@Glebatron 4 ай бұрын
@@Drikkerbadevandwould 15 points make that much of a difference?
@rafaelcosta3238
@rafaelcosta3238 3 ай бұрын
​​ @Glebatron 15 points is the difference between a normal person and someone with a slight mental retardation. It makes a huge difference.
@Andrew-ob5ij
@Andrew-ob5ij 2 жыл бұрын
Education hasn’t really adapted to the modern world. It needs to be restructured.
@Andrew-ob5ij
@Andrew-ob5ij 2 жыл бұрын
@Apsoy Pike how so?
@scifino1
@scifino1 2 жыл бұрын
@Apsoy Pike wdym?
@spritemon98
@spritemon98 2 жыл бұрын
My high school: "We're preparing you on how to get into college. We're preparing you on how to get a job" which they didn't
@lavinamontoya8164
@lavinamontoya8164 2 жыл бұрын
I completely agree with you. It's about time we (and here I mean all the countries in the world) make a total overhaul/modernization of the education system and the way we design the schools. Also these IQ tests were designed 100+ years ago and while we humans have been keeping up with and adapting to the changes in our societies, the tests stayed the same. Those tests are trash and should only be used as fuel in our wood stoves to keep us warm the coming winter. We need some alternative fuel sources now that the Russians cut off their supply 😁🌷🌷🌷
@shivanshna7618
@shivanshna7618 2 жыл бұрын
@@Andrew-ob5ij i mean we have war going on which is threatening famine in many nations not to mention inflation and only super power is literally dividing itself into two every year.
@rane3421
@rane3421 2 жыл бұрын
As a personal example, as a Norwegian. When i went on to take the millitary IQ test before enlistment, i scored very low on the math part of the test. Now im not normally bad in math, but when i took the test it was 3 years since i last had a math related lesson. This is due to the path i took for my education. As from what i beleve, compulsory military service used to be much more prioritized before the fall of the soviets, so people took the test when they were fresh out of the school system which resulted in higher scores. TLDR I beleve people used to take the test when they were fresh out of school, now that it isnt compulsory people spend some years freely before they take the test, which makes us forget certain things like math equasions.
@spunkybuddy
@spunkybuddy 2 жыл бұрын
This sounds like a legit explanation.
@MoonPhantom
@MoonPhantom 2 жыл бұрын
I once took an IQ test, and scored really really high on it. I swear though, I really don't think I would have scored nearly as high if I weren't playing "Professor Layton." at the time. I am not even kidding. Professor Layton is this series of puzzle and problem solvers for the Nintendo 3DS, and I was in the middle of playing through all those games at the time, by incident, so I was in a complete head space for problem solving. Which isn't normal for me. I really don't think I would have landed that super high on the score if it wasn't for that lol. And I don't think I would have landed as high now if I took the exact same test again XD
@shonenjumpmagneto
@shonenjumpmagneto 2 жыл бұрын
Math is brain exercises and the core of our intelligence. When people say "we never use it!" they're so mistaken its not even funny
@southcoastinventors6583
@southcoastinventors6583 2 жыл бұрын
Just curious if you score low does that limit where you are placed in the military, for instance if purposefully score lower would that reduce your workload.
@rane3421
@rane3421 2 жыл бұрын
@@southcoastinventors6583 I do not know of any roles which specifficaly requires high iq, but there are certain requirements for different roles tho ofc, like weight, heigth and vision if you wanna become a fighter pilot as an example. Though if you score low on the iq generally together with all the other stats being low aswell, they might exclude you from service even though you fill the requirements. Thats because they are only allowed to let a certain number of people into the millitary each year, which before Feb 24 was quite low.
@vilena5308
@vilena5308 2 жыл бұрын
When I was taking an IQ test, I was sitting by a person who got 'stuck' on a task. That is, they really wanted to solve it and lost the track of time. I always keep that in mind when it comes to any test result; there are so many factors that influence the score. How to solve exams, time management included, being a part of it.
@danielwebb8402
@danielwebb8402 2 жыл бұрын
Time management is real life. If in a job you get 6 things done in a day and someone else 4 as they get stuck. You are worth more to the company.
@vilena5308
@vilena5308 2 жыл бұрын
@@danielwebb8402 "Time management is real life." That's why it's part of the test. At the same time, this is something that can be learned and improved upon. Also, exam is not the real life so if they have mismanaged a test or two, that doesn't necessary reflects at their workplace or daily life.
@GreenBlueWalkthrough
@GreenBlueWalkthrough 2 жыл бұрын
I skipped the math and text part of the test becuase I am Autistic but almost beat the Cognitive Abilities test twice... Becuase well I'm autistic and a hard core gamer. Edit: and I now have an IQ of 75 becuase I skiped the most important part dispite acing the third part.
@WanderTheNomad
@WanderTheNomad 2 жыл бұрын
Hmm... so if we are equating IQ with intelligence, and relating time management with IQ, then that means people with higher IQs should be better with time management than people with lower IQs. And people who are good with time management should generally have a higher IQ than people with poor time management.
@danielwebb8402
@danielwebb8402 2 жыл бұрын
@@WanderTheNomad Correct. Given IQ tests and being a highly competent, intelligence relative for a career, adult both require not getting stuck and spending longer time on tasks.
@artphotognh
@artphotognh 9 ай бұрын
IQ peaked in the 1880s, around 140 years ago. I heard this on the Jolly Heretic channel, & didn't really believe it until I found 3 copies of Scribner's Monthly from 1976. The sophistication of the writing, and the knowledge & facts entwined in each article, are STUNNING.
@mr.frandy7692
@mr.frandy7692 8 ай бұрын
do you mean 1876? You wrote 1976.
@joeblogs6598
@joeblogs6598 7 ай бұрын
Glad someone else has heard of Edward Dutton.
@jussihamalainen7692
@jussihamalainen7692 5 ай бұрын
Elite magazines from the 19th century aren't necessarily indicative of the intelligence level of the general public of the time. I like Ed Dutton a lot too, but I feel like a want a second opinion on a lot of the things he claims. Dysgenics is not just a matter of the plebs outbreeding the elites, there is also the question of sexual selection happening at the individual level. I'll put it this way: social classes having different birth rates is a macro effect. Inside those classes there is the micro effect of individual people selecting their partners to have children with. Both need to taken to account.
@joeblogs6598
@joeblogs6598 5 ай бұрын
@@jussihamalainen7692 You're correct as natural selection takes place on the individual level. Dysgenics effects all classes, intelligence is universally negatively correlated with fertility for everyone. This in part explains why modern politicians are worse than their historic counterparts, everyone is getting dumber. I believe the solution lies with genetic engineering and free market eugenics.
@Glebatron
@Glebatron 4 ай бұрын
1880s, so when a large percentage of the global population was illiterate?
@AhDude92
@AhDude92 2 жыл бұрын
This explains and confirms my lingering feeling that the customers I have to deal with on a daily basis seem to get dumber every day.
@Treviisolion
@Treviisolion 2 жыл бұрын
Except it really doesn’t. This is an effect that takes place over decades with apparently only a few points at most happening over a 10 year period. People really only start to comment on a difference in intelligence when people are significantly higher or lower, usually at least 15 points. Below that and things like entitlement, politeness, attentiveness, wealth, speech patterns, cultural markings, racial biases, and general knowledge are going to dominate any perception of intelligence or stupidity. Even at 15 points those other factors can still drive perception, but people may start to have a general impression of intelligence after speaking with people for long periods of time. Periods longer than you will spend when interacting with customers. So unless you have been in the customer service industry for over a decade in a country with a major drop in IQ scores, working in a capacity where you have to deal with individual customers for hours each and speaking in-depth about the topic, are dealing with a representative piece of the population and not the lowest denominator as people increasingly find alternatives to speaking to people to solve their customer service needs thus leaving you with only the individuals unable to figure out the alternatives or desperate enough to talk to you, and you actually being attentive enough to notice the difference between intelligence and knowledge as people unknowledgeable about the things they are asking questions it’s your job to answer will tend to come across as less intelligent by normal people, and you being incredibly sensitive to that measure, and the drop in IQ scores being actually related to a drop in underlying intelligence and not a drop in ability to score high in IQ scores as our focus on education shifts elsewhere, then and only then could we say that these results validate your experience. As of right now, you have an anecdote with a dozen plausible explanations, and IQ scores falling should not be the highest on that list. The most plausible I would think is your willingness to deal with ignorance and entitlement has dropped the longer you work in customer service as those kind of fields tend to wear down our desire to work with other people in those capacities, and thus many people after leaving the customer service industry will say they can not work in it any more.
@sararaven
@sararaven 2 жыл бұрын
@@Treviisolion way to ruin a good joke
@shonenjumpmagneto
@shonenjumpmagneto 2 жыл бұрын
Those people probably think "ill never use that math" as they complain you overcharged them. Then go home and say math class should be abolished on the internet.
@shonenjumpmagneto
@shonenjumpmagneto 2 жыл бұрын
@@Treviisolion I'm not reading your comment but God damn br With the misinformation today people truly are dumber by the day.
@WanderTheNomad
@WanderTheNomad 2 жыл бұрын
@@sararaven good?
@HermSezPlayToWin
@HermSezPlayToWin 2 жыл бұрын
As an educator, I would hypothesize that the easy availability of information has made it easier for students to get by without doing as much problem solving and figuring things out for themselves. There's a huge difference between "knowing" something by looking up the steps on the internet vs. understanding something by reasoning it out from simpler principles. Students slide by more in school avoiding the hard work of training up problem solving skills, but they get a rude awakening failing to compete for desirable jobs in the real world against other candidates who have developed legit skills.
@popolekupasupport2246
@popolekupasupport2246 2 жыл бұрын
As a student all I will say is that google translate was a huge help for French and German.
@Inkling777
@Inkling777 2 жыл бұрын
I would agree and add that for all too many of today's students the "easy availability of information" means they're not learning but instead deciding, "Well I can look it up if I need to know it." The result is a disturbing ignorance of even the basic facts of history and geography. You see that in these interviews of students at top Pennsylvania universities. Even the core people and events in WWII are beyond their understanding. kzfaq.info/get/bejne/arxkldCem9-ufas.html
@richstrasz6653
@richstrasz6653 2 жыл бұрын
Yes, it struck me that the start of the decline corresponded with the birth of the internet. Good point regarding "knowing" something by looking up the steps on the internet vs. understanding something . However could it be younger people are used to gathering information in a more visual way ( like watching a TLDR article on falling IQs rather than reading about it in a news paper or online article) which has made them less adept at processing written information/ instructions, this has the knock on effect that their IQ tests now give the false impression that IQ's are falling?
@laniakea31
@laniakea31 2 жыл бұрын
I agree, I think that could be the main reason why intelligence is declining. Easily available too many information make people lazy, so most people don't want to try to do anything on their own. For example, I was shocked when I heard that most high school math teachers in my country now allow students to use calculators. I think it is totally wrong, students should learn to calculate on their own. I recently saw a video on one of the best math channels on KZfaq where a mathematician with a PhD was struggling to calculate 17 squared. Literally multiplying two digit numbers was not so easy for him.
@M.M.83-U
@M.M.83-U 2 жыл бұрын
@@laniakea31 menthal math is as obsolete as calligraphy/handwriting and flintknapping, it can survive as an art or sport, but in practice it is dead.
@exposingproxystalkingorgan4164
@exposingproxystalkingorgan4164 9 ай бұрын
The movie Idiocracy is becoming societal reality. 😂
@nachosaenz1828
@nachosaenz1828 2 жыл бұрын
As a teacher I would like to express my opinion... iQ is based on a some logical test, normally related to what they teach at school math class, that's why china is skyrocketing its iq. That subject was considered key to success in laboral life, so students were highly motivated. Since now it doesn't matter how good you're at match (or tbh any other school subject), students are less motivated to be good at it and therefore they rank lower in IQ. It doesn't mean they are stupid, actually they've realized pretty accurately that image and contacts are much more important in real life than math. Sad but true.
@user-op8fg3ny3j
@user-op8fg3ny3j 2 жыл бұрын
And that intelligence and high status in life doesn't make it fulfilling
@danielwebb8402
@danielwebb8402 2 жыл бұрын
There's mainly problem solving and patterns. Not school maths beyond anything basic.
@tvathome562
@tvathome562 2 жыл бұрын
Totally agree why bother burdening yourself with a lifetime of debt to be able to apply for jobs you ain't going to get anyway, because all the shareholders vote to offshore the majority of the jobs to make more profits. There is no incentive to learn for an imaginary career, your better off learning a trade in the UK, but alot of people don't want to do manual labour even if its skilled, well rewarded and can lead to starting a business.
@VictorPerez-vu1fo
@VictorPerez-vu1fo 2 жыл бұрын
@Ryan Robichaud I was going to ignore you, but seen you too many times. All you've previously argued is nothing "game changer". All was theory that was proposed in the 60's and 70's as part of teaching strategies that we're al least implemented in Brazil. However Western style teaching has been the norm since early 20th century. The perfect foreman creation in schools. While technology is a great boon to us in general and it's great that you are autodidact, the limits of "only use a calculator" are that as a machine it will show you what you input into it. If you don't understand what you should be inputting then you'll probably get wrong information. A machine is only as smart as whose using it... Translate it to school and the big paradigm that exists is that no 2 kids learn the same. While some may catch on something real quick and understand it's implementation in the real world this doesn't mean the same strategy works for everyone. Case and point your own experience. So the decision made is to have a system that will push the 50 percentile forward while having a couple of outliers that are both suffering to understand, or are bored because it's not challenging enough. But that's traditionalism in the school.
@maxintos1
@maxintos1 2 жыл бұрын
"It doesn't matter how good you're at math" How does it not matter? College entry requirements are as high as they ever been and more and more kids are going to college compared to the old days. 50 years ago dropping out of high school and doing some menial work was normal, now the expectations are much higher. Correct or not, most people believe that the only path to good life is if they complete a college course.
@itayjc1
@itayjc1 2 жыл бұрын
This is litterally the storyline of the Idiocracy movie
@syedmohammadaanasfarukh890
@syedmohammadaanasfarukh890 2 жыл бұрын
Goddamn you're right
@user-op8fg3ny3j
@user-op8fg3ny3j 2 жыл бұрын
@@syedmohammadaanasfarukh890 It is from the conditions of the Last Hour that knowledge would be taken away and ignorance would prevail Book 34, Number 6451: Anas b. Malik
@thegreatoutdoors1000
@thegreatoutdoors1000 2 ай бұрын
Brondooooooooooo! It's got what plants like...... It's got electrolytes.
@MrDDiRusso
@MrDDiRusso 2 жыл бұрын
I HAVE GOOD NEWS! MY I.Q. TEST CAME BACK NEGATIVE!
@IncaWarrior.
@IncaWarrior. 2 жыл бұрын
god is good. congrats
@jabezcrisp7899
@jabezcrisp7899 2 жыл бұрын
I used to educate children one-to-one in the middle east, and there were a few things that me and my team found made a huge difference to a child's ability to absorb, retain, and apply information. There's too much to summarise in full here, but the short version is that more light exercise and restriction of access to devices made a huge difference. I don't think education needs to change much - I think society needs to.be built better around a good human life.
@somethinglikethat2176
@somethinglikethat2176 2 жыл бұрын
The biggest problem I can see is the competing interests of teaching kids well and the other core function of keeping them busy while their parents are working.
@TheAllMightyGodofCod
@TheAllMightyGodofCod 2 жыл бұрын
Well, modern education in Europe is not about the capacity of absorb, retain and apply information.... Maybe that explains it....
@dereka5017
@dereka5017 2 жыл бұрын
Yep. Exercise, a good diet, and less distraction all lead to a healthier life.
@jabezcrisp7899
@jabezcrisp7899 2 жыл бұрын
@@dereka5017 I hate that we need metrics and IQ tests to point out how damaging our current lifestyle is to us.
@aesyamazeli8804
@aesyamazeli8804 2 жыл бұрын
Hey, why don't you make a video on the best practice in making children smarter? A lot of parents will be very interested in it
@MikeSW
@MikeSW Жыл бұрын
- Reducing pollution - Improving nutrition - Increasing maternal competency + repairing the Home environment - Increasing abstract stressors that have been offloaded onto smart devices over the past 15 years - Barring minors from using social media All these things would likely boost the populations IQ.
@merrymachiavelli2041
@merrymachiavelli2041 2 жыл бұрын
A combination of a human plateau and technology is the most obvious explanation. The 1990s corresponds with the rise of personal computers and other day-to-day electronics, which means that we have to use our memories less to store information (although we are obviously still using our brains to _analyse_ information, and in fact now have more to analyse than ever before). If IQ tests are sensitive to this (and to my knowledge they are), then you'd expect to see an impact. Just think - a geography student in the 1980s might have spent all day in the classroom memorising national capitals, highest mountains, birth rates...etc. Nowadays, that would be a stupid waste of classroom time when everyone has a computer in their pocket that can just tell them facts like that. Instead, children can be taught more substantive theories, such as demographic transition in the geography example, and then apply them to facts as they encounter them.
@olivero.1877
@olivero.1877 2 жыл бұрын
That is a very interesting and plausible hypothesis👏🏼
@olivero.1877
@olivero.1877 2 жыл бұрын
@Ryan Robichaud okay it's not just about memory, think about how easy it is to navigate through a new city as you can just turn on google maps these days. You don't need to think about where you're going, just let your phone do the work. There are many other technologies that made life far more comfortable than it was 30 years ago
@maxintos1
@maxintos1 2 жыл бұрын
​@@olivero.1877 Those are called technical advances and they have been happening even when the IQ was rising. Introduction of printing press also reduced the need to memorize things, but it did not seem to impact iq negatively. Sure, you don't need to know how to make a fire, chop a tree or make butter, but the intelligence needed to navigate modern society and devices is not really easier on the brain. Kids right now are learning way more than before. Subjects that previously were taught in college are now taught in high school.
@lawrencefrost9063
@lawrencefrost9063 2 жыл бұрын
Bingoo
@WoolyChaps
@WoolyChaps 2 жыл бұрын
If that were the cause you would expect the US to show the biggest loss, but as stated in the video, IQ scores are still rising there.
@freddytang2128
@freddytang2128 2 жыл бұрын
this title immediately made me think of the movie idiocracy. they had a satirical but very realistic theory for declining IQ: low IQ people get married and have kids, more often than high IQ people
@Rjsjrjsjrjsj
@Rjsjrjsjrjsj 2 жыл бұрын
They don't even bother getting married. A girl I knew, 3 kids, 3 fathers, never married. Last I heard she was breaking up with her latest boyfriend and I jokingly asked her brother "Is she sure she wants to do that? She hasn't had a kid with him yet."
@QH96
@QH96 2 жыл бұрын
Simple natural selection at this point
@martinr7728
@martinr7728 2 жыл бұрын
Comment after you watch the video ;)
@usualdosage7287
@usualdosage7287 2 жыл бұрын
@@QH96 no it's not, did u even read the comment, unless being born stupid is your definition of "natural selection"
@useodyseeorbitchute9450
@useodyseeorbitchute9450 2 жыл бұрын
@@martinr7728 It's a taboo so polite answer is that this phenomena is totally inexplicable...
@Rmx2011
@Rmx2011 2 жыл бұрын
Yeah, uh about those military IQ tests... I think at some point people got this idea of good results resulting in them having to stay in army for longer than the shortest time, which is around 180days, up to one year. There might be some kind of connection between these findings and intentional sandbagging in the 'block test'.
@Razzer666
@Razzer666 2 жыл бұрын
Also, does a higher IQ correspond with being more able to dodge the draft?
@Razzer666
@Razzer666 2 жыл бұрын
Also, does a higher IQ correspond with being more able to dodge the draft?
@Rmx2011
@Rmx2011 2 жыл бұрын
​@@Razzer666 ​@Deep Thought This comment wasn't that well explained, but check out TheSimula's comment, he explained the same thing better (IMO) in the top voted comments of this video.
@user-nf9xc7ww7m
@user-nf9xc7ww7m 2 жыл бұрын
Peg the military IQ test to rank and watch everyone score as high as they can to make general. 😋
@jlehti8502
@jlehti8502 2 жыл бұрын
@@Razzer666 You do not dodge the draft here, unless you suffer serious enough disability or condition, say, you lack both of your hands, you have schitzophrenia, or you need to, in order to keep you alive and/or capacitated, take on a permanent basis some medication whose supply cannot be quaranteed in a battle field (like some sleeping disorder pills).
@KristianWontroba
@KristianWontroba 2 жыл бұрын
Here’s my hypothesis: Technology is making things cognitively “easier”. Because we don’t need to use as much of our cognitive resources, the brain allows the atrophy of the resources we aren’t using to conserve energy (a survival adaptation). The number and quality of neural connections reduces as a result. In turn, raw IQ scores go down gradually over time.
@MasakanSolaris
@MasakanSolaris 2 жыл бұрын
I'm not sure I agree with that, so someone I know brought up a topic similar to this and claimed that that smart people technology is a tool to further one's own intelligence, for everyone else its a toy
@KristianWontroba
@KristianWontroba 2 жыл бұрын
@@MasakanSolaris That's a great comment friend. I'm not sure that I agree with the hypothesis either. LOL It is, after all, a hypothesis and not a "belief" or conviction. I would love to see more inquiry into the impact technology has on collective intelligence over long time scales. However, psychological research is tricky because the human brain is vastly more complex that anything else that we know of in the universe. Add to that the fact that these complex things are interacting with the environment and one another? This might be the reason repeatable results from psychology research is so difficult to obtain, certainly more so than in other sciences.
@SianaGearz
@SianaGearz 2 жыл бұрын
I don't know whether that's true. The decline started by the 90s, so the only item you could possibly blame is the electronic calculator, you didn't have the world's knowledge and insight at your finger tips unlike now. But not only math score was decreasing but also the word score. And you'd think that just because you don't have to do so much math, you'd compensate elsewhere to bring yourself further, to help you retrieve the information. Inconclusive.
@KristianWontroba
@KristianWontroba 2 жыл бұрын
@@SianaGearz Intelligence testing is measuring a person’s ability to think critically, not to solve math problems. The nonverbal part of the IQ testing measures one’s spatial intelligence, not math computational skills. The SATs and other achievement tests measure computational skills. So, you’ve put in a passive effort to challenge the hypothesis. Might you have one of your own to share?
@KristianWontroba
@KristianWontroba 2 жыл бұрын
@@SianaGearz Specifically, the parts of a full IQ test include the following skill areas: Verbal Comprehension, Visual Spatial, Fluid Reasoning, Working Memory, and Processing Speed. Some militaries will administer entrance/placement tests, with most including a math skills section, and they will informally be called “IQ” tests. But these tests are more in kind to achievement or aptitude tests and are not actually measuring IQ (innate intelligence).
@HyperFocusMarshmallow
@HyperFocusMarshmallow 2 жыл бұрын
You condense a lot of good information with quite a lot of nuance in short videos. Impressive!
@jerryrichardson2799
@jerryrichardson2799 2 жыл бұрын
Thanks for the excellent video.
@mindblower8774
@mindblower8774 2 жыл бұрын
Oh boy, can’t wait to see the comments
@Owain_Lord_Of_Glyndyfrdwy
@Owain_Lord_Of_Glyndyfrdwy 2 жыл бұрын
Couldn't it also be that a different selection of people started taking these tests? They are certainly more widely available... But I don't know
@KhaalixD
@KhaalixD 2 жыл бұрын
Great video!
@KefoAtleta
@KefoAtleta 2 жыл бұрын
I would say technology has a big part in this. It makes our lives easier but also takes thinking about stuff like remembering phonenumbers, adresses, names of places/hotels/restaurants and so on, away from our minds and thus we are more inclined to not challenge our brains with things our phones or pcs can do more efficiently and more precise.
@snaredrum5167
@snaredrum5167 2 жыл бұрын
I don't think memorizing phone numbers is the issue
@KefoAtleta
@KefoAtleta 2 жыл бұрын
@@snaredrum5167 not an issue but it lovers your brains memory aka you train your brain less by not doing the memorisation of the number. It was just an e.g. towards the memory training of your brain.
@Hansulf
@Hansulf 2 жыл бұрын
Thats absolute bullshit. Typical every decade argument. Tech, if any, makes us smarter.
@KefoAtleta
@KefoAtleta 2 жыл бұрын
@@Hansulf people.making it sure. But people using it too much, i dont think so. At least imo.
@anubis9151
@anubis9151 2 жыл бұрын
@@snaredrum5167 One of the definitions of intelegence is, IQ+memory of information. So you'd be wrong on that aspect, since it would be a direct effect on one of the components. I agree with this definition since, well, IQ is how well you process information and memory helps you retain more information, thus knowing more and using said knowledge, pretty simple and clear cut definition.
@dereka5017
@dereka5017 2 жыл бұрын
I don’t think you can fully rule out dysgenic selection. While it’s true lower IQ individuals were more likely to have kids decades ago too, that trend has accelerated lately and made it more of a factor. The only factor? No. But ruling it out entirely, and labeling it as distasteful, smacks of burying an inconvenient truth in the sand.
@SLDimarco
@SLDimarco 2 жыл бұрын
Someone drinking the eugenics koolaid.
@ASLUHLUHCE
@ASLUHLUHCE Жыл бұрын
For what sociological reason might those of lower intelligence have had more kids towards the end of the 20th century? If the data on IQ testing throughout the 20th century is anything to go by, it's that IQ scores are highly variable due to environmental factors.
@mikicerise6250
@mikicerise6250 Жыл бұрын
@@ASLUHLUHCE It may not be they are having more kids, but that more of them are surviving and having kids of their own, while in the early part of the century they were mostly sent to the world wars.
@victorias6250
@victorias6250 Жыл бұрын
I’m a Swede, having read about this phenomenon by experts in Sweden that understands the society better. It is in fact true that lower IQ people tend to have more children than higher IQ people here. That does not mean that people with higher IQ don’t have more children at all, or that lower IQ people always have lots of children, but if we’re gonna talk about some kind of average, it’s true. People with higher IQ are more likely to be career oriented and want to focus their time on other things. I also think the whole Scandinavian equality has contributed to this. Now men and women work often just as much and both are focusing on their careers, while back in the day it was more common for men to work more. Women were often housewives or had jobs with less working hours, so obviously having more children was a result of that. Both high IQ and low IQ people had more children back in the day. In the future the IQ will decrease more here due to immigration I think. It’s not uncommon for immigrants from lower IQ countries to have 10+ children while native Swedes might have 2 at most. This whole military IQ test in Scandinavia (at least in Sweden) should be taken with a grain of salt. The demographic among the military is most likely different today than it was back in the day. People with high IQ are more likely to go to university than serving the military these days (does not mean that people in the military are stupid). More people are studying at university in comparison to before as well. So there was a larger variety in the military. I guess that has to do with that lumpen (Swedish military service) was mandatory for men, so more people were introduced to that career path. This does not explain Finland’s case which has dropped even more though. Of course, it’s difficult to say how much is due to genetics right now. If we compare Scandinavian countries to some top East Asian countries, the differences in IQ are very small, only a few points. So maybe it has a lot to do with different school systems and mindsets on academics. In East Asia they have a lot of academic pressure and the societies are very competitive. Therefore the average Asian high school student spends more time studying (especially math) than the average Scandinavian. Since it’s basically proven that you can improve your score on IQ tests a little by practicing problem solving, maybe that explains it. Sorry, for the super long message, but I’ve thought and read a lot about this. It’s very interesting.
@SLDimarco
@SLDimarco Жыл бұрын
@@victorias6250 Differences in IQ are down to socioeconomic factors primarily, it has nothing to do with genetics that is some racist/eugenicist talking points. If anyone tells you otherwise they are probably a race realist and should be steered clear of. It also ignores that IQ tests arent even particularly great ways of measuring intelligence, there are a whole host of problems that come with them.
@happyelephant5384
@happyelephant5384 2 жыл бұрын
Thank you for talking about important topics. And explaining them in meaningful way. Love you for this❤️❤️❤️
@christianthomsen6701
@christianthomsen6701 2 жыл бұрын
Great video
@sanjayeasycutz7195
@sanjayeasycutz7195 2 жыл бұрын
Awesome Video 💖💖
@abdomhd
@abdomhd 2 жыл бұрын
In Finland there maybe some factors for that, since it compulsory, everyone whether they liked it or not will serve in the military, and if you spoke the langue or not, which 2-4 out of 35 don't speak either finnish or Swedish, either for being a finn who born and raised abroad or naturalized immigrant from Russia, Baltic, etc. And if you serviced in Finnish army you will hear the " do as little as possible" phrase, which explains a lot of things. Most boys want 6 month of service, and if you were great, you will selected for leadership training, which is at least 12 months.
@michaelmayhem350
@michaelmayhem350 2 жыл бұрын
Clearly the TLDR staff hasn't seen Idiocracy
@palamalama
@palamalama Жыл бұрын
Iq falling is definitely worrying!
@Silvanor
@Silvanor 2 жыл бұрын
This is really interesting, because as far as I know, every year more and more students here in the Netherlands are graduating from our highest education level.
@timo3724
@timo3724 2 жыл бұрын
It could be that the increased use of technologies like calculator and computers make your brain more 'lazy'. So although we are able to solve more difficult problems with use of these tools, our brain does not improve and even declines. The same reason why we are able to lift more heavy tiles with the use of heavy machinary while people became less muscular in the last decades. But it is just a theory.
@anubis9151
@anubis9151 2 жыл бұрын
well, the topics are probably updated and more people graduating doesn't mean they are more intelegent, if the base IQ needed to graduate would be at 10, if all students are at 11 they would all graduate, doesn't mean however that the students the years before weren't at 12, 13 so on and so forth.
@Aabergm
@Aabergm 2 жыл бұрын
@@timo3724 I concur with this idea. But it needs testing and that's for people way smarter and patient than myself.
@somethinglikethat2176
@somethinglikethat2176 2 жыл бұрын
​@@anubis9151 grade inflation is a thing in even the very best universities. The percentage of As is much higher than in the past.
@somethinglikethat2176
@somethinglikethat2176 2 жыл бұрын
​@@anubis9151 grade inflation is a thing in even the very best universities. The percentage of As is much higher than in the past.
@256shadesofgrey
@256shadesofgrey Жыл бұрын
Dysgenic selection is still a factor, just a much slower one. So is immigration, just kicking in later. You can't dismiss those things outright, all you can say is that there is something else that drove this effect in the mid 90's. For example the argument that dysgenic selection is not a factor because of rising IQs in the 60's could easily be dismissed by saying that the effect of education outpaced the effect of dysgenic selection, and now that the effect of education plateaued, we see the raw effect of dysgenic selection. That would also explain why we see a decline now rather than plateauing, and why the decline is slower than increase prior to this (the average of the countries you listed would add up to about 1 point decline, vs. 2 points increase in the prior decades). And immigration would explain the drop if the data shows it accelerating after mid 2010's.
@anonymousdinosaur605
@anonymousdinosaur605 Жыл бұрын
ok fascist
@useodyseeorbitchute9450
@useodyseeorbitchute9450 2 ай бұрын
​@@anonymousdinosaur605 ok science denier
@Kwippy
@Kwippy 2 жыл бұрын
The simple fact is that in many countries, including all the prosperous developed ones, people with better education and better jobs, are having fewer and fewer children. As a society, we are far more supportive of weaker members of the population than previously, and rightly so. But it is not hard to imagine the effect of this on shall we say some of the less desirable human traits.
@user-op8fg3ny3j
@user-op8fg3ny3j 2 жыл бұрын
So reverse Darwin award?
@S3Cs4uN8
@S3Cs4uN8 2 жыл бұрын
People having fewer children is definitely not something restricted to just those with better education and employment, that's pretty much happening across the board.
@aesyamazeli8804
@aesyamazeli8804 2 жыл бұрын
We can force everyone with a college degree to have at least one child...
@carlosdgutierrez6570
@carlosdgutierrez6570 2 жыл бұрын
@@aesyamazeli8804 the you'll have lots of people whom will just don't go to collage. After all, after doing some math, there ought to be blue collar jobs that left you more disposable income as long as you are childless than a white collar job with a mandatory child, considering how fucking expensive are children nowadays.
@fdsfsfdsgdg4445
@fdsfsfdsgdg4445 2 жыл бұрын
Weaker members? You got it all wrong: its the strong and more symmetrical ones that breed more, and the deviant ones (creatives, scientists) that have more issues with leaving offspring. Your reasoning is based on a fallacious premise that darwinian fitness is about intelligence (and academic at that), and not healthy body/face/competitiveness.
@timurgabdsattarov1613
@timurgabdsattarov1613 2 жыл бұрын
One note to the test in Germany, there is a class called „before school“ and you either go there or the first grade based on your competence (most kids who go through this are who are between two years, so the oldest or youngest from a class)
@artanik94
@artanik94 2 жыл бұрын
I was expecting to see transition for Brilliant advertising in the end 😅
@blanco173
@blanco173 2 жыл бұрын
I was still under the impression that IQs were rising globally. Worrying news! To the rest of the people in the comments: try not to make great sweeping assumptions about the causes. There are a million different ways to spin this story to support any possible social ideology. We have no way of knowing the truth of the matter at the moment.
@Aabergm
@Aabergm 2 жыл бұрын
@Apsoy Pike Truthfully IQ (which is a very narrow focused test) is only one of the Q's (example EQ emotional intelligence) and it may just mean we are shifting to a more balanced Q'ness instead of obsessing over school grades. That said because it is such a narrow focused test (problem solving) its not very valuable beyond metadata.
@somethinglikethat2176
@somethinglikethat2176 2 жыл бұрын
I think a lot of the rise came from things like less lead in everyday things and meeting kids basic nutrition requirements.
@blanco173
@blanco173 2 жыл бұрын
Yeah, I think that a lot of people find it easier to deny the whole framework, than to engage and dismantle racist arguments.
@user-op8fg3ny3j
@user-op8fg3ny3j 2 жыл бұрын
@@Aabergm exactly. What is the point in being intellectual advanced but not morally/ethically/socially
@eimantasbutkus5324
@eimantasbutkus5324 2 жыл бұрын
Actually we do know a lot of contributing factors, the only uncertainty is to what extent do they contribute, but the problem is you aren't even allowed to speak about the main ones publicly. It's not about "spinning the story to support social ideology". Look around you, there are laws and TOC on all major platforms already "spinning the story to support a social ideology" and it's ALL in one direction, the opposite of the one you imply someone is trying to "spin". Wake up.
@TheCaptainLulz
@TheCaptainLulz 2 жыл бұрын
Theres a problem here. Its based on military scores, the more educated you are, the LESS likely you are to join a military. It could just be that the military is getting the slower people, year on year, because the smarter ones arent joining the military.
@CoreyANeal2000
@CoreyANeal2000 2 жыл бұрын
I'm educated, but not likely to join the military. There's just no reason to put myself at risk. Especially for a Country like the United States getting rid of it's social rights. It's like putting myself at risk while at more risk, because of the laws in my nation.
@michalslusarski
@michalslusarski 2 жыл бұрын
That's why they chose Scandinavian countries, where conscription is more or less mandatory
@WanderTheNomad
@WanderTheNomad 2 жыл бұрын
If that was the case, why were the smarter ones joining the military before, and why would they stop now?
@CoreyANeal2000
@CoreyANeal2000 2 жыл бұрын
@@CharlesNauck Still not worth the risk, depending on the time frame the risk can be much greater or less. Though I do love discussing military topics and how they work.
@CoreyANeal2000
@CoreyANeal2000 2 жыл бұрын
@@CharlesNauck Good point, but I still rather not. I'm a pacifist so it kinda of goes against how I do things. Though I would find a different way to help if it came to fighting a war.
@nanoc.2103
@nanoc.2103 2 жыл бұрын
As an educator myself I neither have ever thought nor have I been convinced that IQ tests really work. When I was teaching high school, so many of my students had their subjects at which they excelled greatly. I taught geometry and there were the students who did very well and there were those who did better in music, physics, chemistry, language learning, art (be it what ever type), writing, engineering, computer science, etc... Students will do well in subjects that trigger their creativity and/or what makes them feel either purposeful, or productive, or happy. This idea of measuring intelligence, I think, is intriguing, but futile due to too many factors and variables that change from person to person and/or region to region and a test to measure said aspect won't ever acknowledge/consider those things.
@gorkyd7912
@gorkyd7912 Жыл бұрын
I don't think how well students do in any given school subject has anything to do with the validity of IQ tests. How well I do in music class may have nothing at all to do with my ability to calculate and problem-solve.
@nanoc.2103
@nanoc.2103 Жыл бұрын
@@gorkyd7912 I agree. What I was attempting to get across was the fact that it has been a conception that those with high IQ do well in every subject in school. And with respect to your last sentence, The IQ tests I had a chance to look at in grad school never considered high intelligence in multiple subjects, just logic and calculation rather than linguistic, musical, emotional, social, etc...All in all, why should this idea of intelligence only involve calculation, logic, and problems solving? Now you may have your opinions, but it only goes to show the varying definition of what is intelligence and how to measure it.
@gorkyd7912
@gorkyd7912 Жыл бұрын
@@nanoc.2103 The logic that goes into IQ tests is pretty good for all around intelligence though because it measures calculation speed, accuracy and focus which are all just basic brain functions. It's like the physical qualification tests used for army or police recruits. Doing pull ups and pushups has very little to do with the actual physical tasks of a soldier or officer but it's fair to assume that someone who can lift their own body weight 20 times is more physically capable in general than someone who can only do it 3 times. Same with IQ, someone who calculates quickly can generally learn specialized skills like language, music, and social interaction patterns better than someone with a low IQ, in general.
@nanoc.2103
@nanoc.2103 Жыл бұрын
@@gorkyd7912 Yet as I said in my original statement, all those things you mentioned in you last sentence are completely dependent on where you grew up, what you ate that day, what school and home environment is like, and what you like like to focus on in your own time. I knew (American) football players who had a 2.3 GPA and/or did not care to learn school subjects, yet they scored very high on the SAT (when it was out of 2400) and on the ACT, as in 2200+ on the SAT and 30+ on the ACT. I admit that I'm no expert psychometrician measuring intelligence, yet does a person with Dyslexia, Dyscaculia, and/or ADHD considered lower in intelligence due to how their brains process information? Because from what I learned in Graduate school while teaching, the answer was a firm No, yet processing speed is then measured regardless of physical/mental limitation. - Granted this is youtube, but I enjoy this conversation!
@gorkyd7912
@gorkyd7912 Жыл бұрын
@@nanoc.2103 Just to answer the question, I think someone suffering from dyslexia, dyscaculia, or ADHD should be considered lower intelligence unless they're so magical in some other measure that it balances out. The goal of the test shouldn't be to try to pinpoint some kind of inherent internal best-case intelligence level but rather represent as accurately as possible their actual ability in that moment. It would be really disappointing if two people who are equal in all other ways, but one has a learning disorder, score exactly the same on the test. If that happens I'd think the test is pretty useless, like if someone in a wheelchair could ace the Marine obstacle course. Of course if the disorder is caused by an imbalance that's great news, means the person might be able to drastically improve their score by correcting the disorder. But you can't improve something you don't know about, and if you do great on the test anyway there's not much incentive to improve in weak areas. The anecdote you mention with football players illustrates something I observed earlier; grades in school classes may have nothing to do with intelligence or ability at all. If you don't show up to class, refuse to participate, are bullied, disliked by the teacher, or maybe even disagree with the content of the teaching itself; none of this reflects low intelligence.
@laughablelaffytaffy
@laughablelaffytaffy 2 жыл бұрын
My vote is on lack of sleep. Sleep quality has been declining the past few decades and we know you need sleep to learn.
@j.m.b5441
@j.m.b5441 2 жыл бұрын
In the US IQ may be going up but it surely doesn't show.
@franckybert8794
@franckybert8794 Жыл бұрын
That's because they started at the very bottom...😄
@_vallee_5190
@_vallee_5190 2 жыл бұрын
This video is genuinely quite horrible as someone who was an assistant to a University professor. The fundamental issue on why this video is so bad, at least in my opinion is the context in which it is written. IQ tests just like any test can be memorized, not in the sense of exact memorization to a question, although this also applies but instead IQ tests are a skill that you can easily learn doing. As an example someone who takes an IQ test every single week will eventually quickly learn the test and progressively get higher and higher quotient. Irregardless of the actual time spent in schooling, does this mean that we need to just make IQ tests required in school? Of course not due to the fact there is no correlation to progressively taking the tests, getting a higher result actually increases intelligence anymore then a memorization of a history test is.
@_Cosyy
@_Cosyy 2 жыл бұрын
Most people don't take IQ tests on a weekly basis though. I'd bet most of the stats in the video were collected by giving people a single test to determine their IQ at that point. I agree they can be memorised just like a history test but that shows how messed up our school systems are more than how inaccurate the points made in the video are .
@factorousfactorous3522
@factorousfactorous3522 2 жыл бұрын
I understand your concerns, but I don't think that they apply here. The science on IQ is very robust, and a downward trend is very concerning. You are an assistant to a University professor, so my guess is that you believe in science even when you don't understand it (I am making assumptions here but I would presume that you think that climate change is real, even though you have not gone through all of the 5000 studies in the literature).
@merrymachiavelli2041
@merrymachiavelli2041 2 жыл бұрын
Okay, but that doesn't explain why there has been an observed decline? Unless you are suggesting the manner or regularity with which IQ test are administered has changed.
@gentlemandemon
@gentlemandemon 2 жыл бұрын
@@merrymachiavelli2041 An observed decline in IQ doesn't terribly matter if IQ isn't a measure. If I said I've been observing a decrease in aether in the atmosphere, it should be relevant that "aether" is a thing that I'm making up that measures nothing.
@sirsurnamethefirstofhisnam7986
@sirsurnamethefirstofhisnam7986 2 жыл бұрын
The fact people can work in universities and use the nonexistent word ‘irregardless’ is enough proof we’re regressing intellectually as a society all on its own.
@jt80995
@jt80995 2 жыл бұрын
I have Nebula, but I don't see any exclusive content. At least, it hard to distinguish what is exclusive and what is not. My impression for the past two months that it's a collection of KZfaq videos.
@cacapichi8564
@cacapichi8564 2 жыл бұрын
I just have a question, IQ is a metric whose average is normalised to 100. How do you then measure across time when 100 will always be the mean for a given population?
@jessepost1108
@jessepost1108 2 жыл бұрын
Yes, you compare the pre-normalized data. Just because you normalize the data for output purposes, that doesn't mean you throw away the raw, underlying data.
@chemicalfrankie1030
@chemicalfrankie1030 2 жыл бұрын
I had exactly the same point! increases in developing countries decreases every other results
@chemicalfrankie1030
@chemicalfrankie1030 2 жыл бұрын
@@jessepost1108 this implies tests are standardized (to allow to compare raw data - this is complex, it means .same number of questions, .same split of categories across questions, .same time to finish the test, .same applicant age and education level, etc) and researchers have access to raw data, not just to final summaries. while this could be possible, even if not probable at all, it is not mentioned in the video and for sure I cannot be bothered in looking for it within the sources provided. last, there is clearly the point where, while in the past only the brightest/ most educated took IQ tests, nowadays many more people take it, even in not-academic situations, de facto lowering the absolute mean.
@mikicerise6250
@mikicerise6250 Жыл бұрын
Denormalize it.
@JohnM-sw4sc
@JohnM-sw4sc Жыл бұрын
The cope in this comment section is insane. It’s genetics.
@theendofart
@theendofart 2 жыл бұрын
I think you should/could have mentionned that the effect is quite small: the standard deviation is 15, so 2 points per decade doesn't seem that much honestly. Except if the trend was to carry out for a very long time, and that's far from guaranteed!
@Funkopotomis
@Funkopotomis 2 жыл бұрын
Damn, an entire video about me? Thanks TLDR!
@nathanngumi8467
@nathanngumi8467 2 жыл бұрын
A very interesting video, one of the most intriguing in recent times!
@facio1000
@facio1000 2 жыл бұрын
One potential factor may be that the US is one of the most economically unequal developed countries (by a lot). Economic status and opportunities tend to closely correlate with educational achievements and opportunities. So, while many other developed countries may have maxed out, the US may still have a very large percentage of its population that is operating significantly below its educational potential; therefore this large population group still has a lot of runway before it peaks in IQ terms.
@cfl_finn4831
@cfl_finn4831 2 жыл бұрын
Gotta have some meat to throw into the grinder in Middle East right?
@TheRagingPlatypus
@TheRagingPlatypus 2 жыл бұрын
Fallacy. In reality Europe is more stratified. For example, 85% of the wealth in Sweden is controlled by one family. The remaining 15% is relatively evenly distributed. Furthermore, what is considered rich in Germany is typical Middle class in America. Engineers and other professionals live in cramped housing without yards, no dishwasher, no ac... I know far more Germans that have issues paying for simple things like garbage collection and water. I see tons of "middle class" Germans missing teeth. Furthermore, I've never met so many uneducated people in my life and I grew up in Appalachia. In Germany, a small subset of kids get selected at the end of 4th grade and are educated. The rest are trained to be factory workers.
@yosefshekelberg5433
@yosefshekelberg5433 Жыл бұрын
What you're ACTUALLY saying is that supposedly "oppressed" races need EVEN MORE government incentives and tax money to be shoveled into academia, corporate positions and the like. Hilariously, it also means lowering standards in order to do so. Which is ANOTHER reason we are in this mess.
@artphotognh
@artphotognh 9 ай бұрын
Plus, importing hundreds of millions of the "chaff" from nations with average IQ in the low 80s will drive U.S. average IQ down drastically.
@Ryan_Alwi
@Ryan_Alwi 2 жыл бұрын
Also, the widespread adoption of social media and the internet has all but guaranteed that our attention span will be increasingly shorter as time goes on, with IQ following
@mrgongo4253
@mrgongo4253 2 жыл бұрын
its a crime that you guys dont link the nebula video in the description
@masterkek4243
@masterkek4243 Жыл бұрын
I think it's probably culture. If you look at the chart he displayed somewhere around 3:00, you will notice that the outlier is Asia. Now, this is just a theory, but groups of people who have mixed cultures through immigration may value education and intelligence less than Asia, which has high levels of homogeneity and doesn't accept migrants as easily. Now, all that really means is that our population growth is driven by people who's cultures value education and intelligence less and therefore lower the average IQ scores in western countries, so we aren't actually experiencing "brain drain". That is just my theory on IQ. I think culture is a precondition for evolution as well as social structure.
@RichardEricCollins
@RichardEricCollins 2 жыл бұрын
Maybe in the past they only tested people who were doing well at school. But have increasingly tested a broader spectrum of the population. P.s. I have a master's in software engineering. I am dyslexic and I did a standard IQ test a few years ago. I scored 90. IQ test is a bad test.
@lollolson
@lollolson 2 жыл бұрын
that's not surprising if you're dyslexic, you probably just misread the questions lol
@Fankas2000
@Fankas2000 Жыл бұрын
Bob, the unemployed loser, having 9 kids with 5 different women definitely had nothing to do with it.
@bradleywilson2115
@bradleywilson2115 2 жыл бұрын
All of this could be solved through embryo screening of polygenic scores. If the score which is a good predictor of IQ indicates an IQ below average the person is encouraged through economic incentives to terminate the pregnancy.
@AltIng9154
@AltIng9154 9 ай бұрын
... at least they knock at your door to kill you...or cut your knickers off to avoid you produce bad genes. 😅
@joeblogs6598
@joeblogs6598 7 ай бұрын
@bradleywilson2115 I hope you're right. Hopefully it will be that easy. Unfortunately we still have the culture working against the idea of eugenics.
@GeorgeWard14
@GeorgeWard14 2 жыл бұрын
So, we have no idea.
@randomnamegbji
@randomnamegbji 2 жыл бұрын
I think its strange it wasnt mentioned that conscription rates have been more than halved in many of these countries in the same period. There is an obvious selection bias when you select for 'people finishing high school and not going into higher education', while that rate is decreasing and the rate of higher education is increasing.
@filiushermesio
@filiushermesio 2 жыл бұрын
I am sure mass immigration from the Middle East and African countries played a big role, since their results are also included when researching (yeah, so many of them are already citizens or residents).
@baptm727
@baptm727 Жыл бұрын
Yeah but it's "distasteful", so we don't even adress it here. Go away.
@banano24
@banano24 2 жыл бұрын
Long story short: The overall education system isnt effective enough and cant keep up with our changing modern world, especially in America And because they mostly influence everyone else it efects even those who we consider as having good education
@haydencantthink
@haydencantthink 2 жыл бұрын
Yeah, I can tell from your spelling and grammer lmao
@MrNumNam
@MrNumNam 2 жыл бұрын
@@haydencantthink Maybe english isnt their first language?
@supersejkaj3093
@supersejkaj3093 2 жыл бұрын
America's iq hasn't dropped mate, there's plenty to criticise America for, but they have clearly done something right this time. That's not to say that U.S education isn't bad, it's just that your statement directly works against what the video is saying.
@calvin7330
@calvin7330 2 жыл бұрын
@@MrNumNam They should still use spell check
@davidty2006
@davidty2006 2 жыл бұрын
Education system is shit can confirm.
@Yaarmehearty
@Yaarmehearty 2 жыл бұрын
Depending on how or if the test has changed over time it may be that with the rise in computing technology in the mid 90s that children just don't need the aptitudes that the test is geared towards as they are now automated tasks. Perhaps the tests need to be updated with changes in tech to account for knowledge and skills that are relavent to people today.
@bmclaughlin01
@bmclaughlin01 Жыл бұрын
Bromine, it’s been in everything since 1985.
@maxwellweiss9849
@maxwellweiss9849 2 жыл бұрын
The reason Raw SAT scores may be falling is because many high schools are requiring kids take it. This means a kid not going to college wouldn’t have reason to try, but his score would still be counted
@fightfannerd2078
@fightfannerd2078 Жыл бұрын
Wrong it's called dysgenics mass immigration
@di3486
@di3486 Жыл бұрын
You’re scared of admitting the obvious because you don’t want to be censored
@DungeonMarshal
@DungeonMarshal Жыл бұрын
This topic really deserves more attention. Would be sad to see how technical progress slows down, stops and then reverses...
@DungeonMarshal
@DungeonMarshal Жыл бұрын
@Question man Probably. Rise of populism and dictatorships is not a good sign
@foxival5150
@foxival5150 6 ай бұрын
Facts
@VindensSaga
@VindensSaga 2 жыл бұрын
I have scored both low and high on the tests, I have brain damage on both halves. I have days when everything is foggy and I have days when everything is crystal clear, I have no explaination on why this is the case and less do the people (doctors) I talk with. I have a near constant headache though.
@farticlesofconflatulation
@farticlesofconflatulation 2 жыл бұрын
There’s a documentary called “Idiocracy”. It’s worth a view.
@GeGe-fg3hx
@GeGe-fg3hx 23 күн бұрын
It's not a documentary their is always gonna be dumb people like myself and smart people
@GeGe-fg3hx
@GeGe-fg3hx 10 күн бұрын
I take that back I see society turning into an Idiocracy more and more everyday but, it is true that we are all different and their is always gonna be dumb and smart people in society but, stupid people give me more brain damage than I already have to be honest
@zunzwak4482
@zunzwak4482 Жыл бұрын
*darwin has left the chat*
@rursus8354
@rursus8354 2 жыл бұрын
I know what's the cause for me: I'm workaholicking away IQ:s, but I cannot answer why you lose IQ:s.
@Dogebro200
@Dogebro200 2 жыл бұрын
Idiocracy is not just movie i see...
@christopherg2347
@christopherg2347 2 жыл бұрын
The issue with the test is, they get adjusted to match the real world data. Meaning there is a chance we just have too high expectations. It might be interesting to pick up some old IQ tests and run modern people through them.
@AnimationFanboy2k4
@AnimationFanboy2k4 2 жыл бұрын
2 things: TikTok and trendy things.
@valentinursu1747
@valentinursu1747 2 жыл бұрын
Well, there is a bit of irony here, a channel called "Too Long Didn't Read" is asking why our IQ is falling...might be the DR part...
@geraldmeehan8942
@geraldmeehan8942 2 жыл бұрын
As an American, looking around me, I find it very hard to believe IQ's are on the rise here.
@benjaminaraya8073
@benjaminaraya8073 2 жыл бұрын
Same here, this country isn’t the most smart in some regards. It kinda hurts to see people in this country add to the American idiot stereotypes.
@LK-gl3rj
@LK-gl3rj Жыл бұрын
Has IQ been declining in developed countries that have not allowed immigration from low-IQ countries? Japan, for example, does not allow mass-immigration: has their average IQ been in decline?
@robertgoddard970
@robertgoddard970 Жыл бұрын
Of course not
@HorthornNZ
@HorthornNZ 2 жыл бұрын
It would be interesting to see if the decline was found in less technical countries - IE are computers making us dumber?
@jwhite5008
@jwhite5008 2 жыл бұрын
Not computers as such, the Internet and modern culture that was enabled by it puts people in constant stress and sensory/information overload. This needs to be addressed on a global scale. Although this is only one of the multitude factors, and we really need to research this problem further.
@swamuelthemlgplaya2268
@swamuelthemlgplaya2268 2 жыл бұрын
hellllllllllllll no, i know most of my stuff from computers
@HorthornNZ
@HorthornNZ 2 жыл бұрын
@@swamuelthemlgplaya2268 I think you are arguing my point here lol
@rintofujimoto
@rintofujimoto 2 жыл бұрын
That's an interesting question. I would guess there's a correlation between technological shifts and our mental capacity, as defined by IQ. Though if anything, that would put into question the definition of intelligence according to IQ, rather than our intelligence per se, since we are now spending more time reflecting on facts rather than memorising them.
@imnotnotgameiacmaniac5327
@imnotnotgameiacmaniac5327 2 жыл бұрын
@@swamuelthemlgplaya2268 you know the difference between intelligence and knowledge right?
@joey199412
@joey199412 2 жыл бұрын
It's probably the aftereffects of leaded air and microplastics.
@Ruzgfpegk
@Ruzgfpegk 2 жыл бұрын
Concentration of CO2 also has an impact on cognition (which means that you think better when you refresh indoor air). There was research done on this a few years ago.
@jakescorpion1
@jakescorpion1 Жыл бұрын
Equality is a myth
@theanonymousmrgrape5911
@theanonymousmrgrape5911 2 жыл бұрын
The thing about the Flynn effect that people don’t mention is that a body of research exists that shows pretty conclusively that the increases in IQ due to the Flynn effect are not in fact increases in G. Other, non G components of these tests are being affected, and so consequently IQs appear to be rising around the world, despite the fact that people aren’t really getting any smarter. People are just more suited these days to taking IQ tests. In fact, better proxies for G based in things like vocabulary seem to show an overall decline in general intelligence since at least the Victorian period. And this makes plenty of sense, as the people having the most children since that time have been low SES, which correlates very closely with low general intelligence; while the high SES/high G population have dramatically lower birthrates.
@jeremywvarietyofviewpoints3104
@jeremywvarietyofviewpoints3104 2 ай бұрын
The increase in IQ was mainly in the visual and abstract reasoning components. Vocabulary and mathematics didn't improve or didn't improve a lot. I wonder what components are decreasing now.
@MiguelOrtiz-eq3nk
@MiguelOrtiz-eq3nk Жыл бұрын
It's because society limit curiosity of each being.
@jaca2899
@jaca2899 2 жыл бұрын
How can IQ scores change over time if the average score is always defined to be 100?
@user-fs3um6by9x
@user-fs3um6by9x 2 жыл бұрын
IQ is comparitive, so its average will always be 100, no matter how good or bad they perform. He was mentioning the decline of the raw scores which indicates overall loss of intelligence
@jaca2899
@jaca2899 2 жыл бұрын
@@user-fs3um6by9x But shouldn't raw scores stay the same? I'm not understanding
@gabrielebianchi8976
@gabrielebianchi8976 2 жыл бұрын
I think we are just getting more impatient: if a question takes too long we are more prone to "give it a try" rather than thinking about it, and therefore we get more answers wrong.
@LaughingMan0X
@LaughingMan0X 2 жыл бұрын
Working within the framework of things presented in this video (and without introducing new evidence), you have NOT ruled out "dysgenic fertility" or "low-IQ immigration" as potential factors that explain part of the observed decline in phenotypic IQ scores. You note that Finland has experienced IQ declines despite not having significant levels of non-European immigration. Suppose this is true for the sake of argument. Low-IQ immigration could still explain some of the observed IQ declines in other countries. After all, it's highly implausible for the causes of the decline to be completely identical in kind and degree in every country. You claim to "rule out" dysgenic fertility as a potential cause of IQ declines by noting that the phenomenon of low IQ individuals having more children has occurred throughout the last century. However, the above fact does not imply that dysgenic fertility cannot explain recent IQ declines. For instance, it's possible that from 1900-1990, the improvement in environmental quality merely exceeded genotypic declines from dysgenic fertility. However, if around 1990, we "maxed out" these environmental gains, given the persistent fertility patterns of low-IQ individuals, dysgenics could still partially explain recent IQ declines.
@ianewaldbenzi4232
@ianewaldbenzi4232 2 жыл бұрын
His point about IQ still rising in the 60s even tough people in the lower half still reproducing more was ridiculous. It's not like we put kids to do IQ scores as soon as they are born, so a twenty years at least would be necessary to analyze generational consequences of disgenic selection, that is to not mention your point about environmental factors. It is just ridiculous how people feel the need to counter signal any genetic factor when it comes to intelligence. They start by saying that we don't really fully understand intelligence and that it's a very complex topic and then jump to discard any hint to a genetic factor and frown at you for suggesting it.
@constantinethecataphract5949
@constantinethecataphract5949 2 жыл бұрын
Also the norwegian study's findings don't necessarily disprove heredity of IQ but besides that twin studies, adoption studies etc have confirmed that IQ was at least 40% heredible and as much as 80% so saying genetics playing no role in intelligence is bullcrap
@lurantheluranthe6406
@lurantheluranthe6406 2 жыл бұрын
Theres probably a correlation with the introduction with leaded gasoline
@louieuy7607
@louieuy7607 2 жыл бұрын
European militaries: we test for IQ before anyone joins US military: we'll take anyone
@spiritualknight123d
@spiritualknight123d 2 жыл бұрын
The ASVAB is a proxy iq test.
@chaiicdart3064
@chaiicdart3064 2 жыл бұрын
Albeit the IQ standard of military applicants is rather low, there still serves to be a requirement. Specifically, applicants must obtain a score on the ASVAB that equates to approximately an IQ of 85.
@mikicerise6250
@mikicerise6250 Жыл бұрын
Americans test for IQ too. Police candidates scoring above a maximum IQ are automatically rejected, as I recall.
@user-ksajdfgja
@user-ksajdfgja 2 жыл бұрын
Somebody doesn't know what G is and why the Flynn effect isn't valid grounds to dismiss dysgenic fertility patterns. The idea that because in Finland with relatively fewer migrants scores are falling that lower IQ migrants do not affect the average in countries which actually have them is just illogical. Finland can have falling scores based on dygenics with other countries having more of the fall attributable to demographic shifts. Another example of migration affecting average scores is mass emigration depressing the scores of places like Bosnia or Bulgaria or even within a country like Germany eastern scores are depressed by people leaving and cities benefit from brighter people moving there internally. Anyway what hubris to call this "Distasteful Hypotheses"
@gentlemandemon
@gentlemandemon 2 жыл бұрын
G factor is god of the gaps argument for IQ tests being generally bad at predicting outcomes
@user-ksajdfgja
@user-ksajdfgja 2 жыл бұрын
@@gentlemandemon G has no bearing on IQ correlating with life outcomes. G is relevant in the discussion around the Flynn effect and why IQ is starting to fall despite the relevant countries doing better than ever in a number of ways. G has been declining for a long time based reaction speed tests dating back to the Victorians afaik. To the extent we've relied on the Flynn effect to compensate for it we're now faced with a headache. No obvious way to repeat it; it stopped for a reason and the decline will have tangible consequences in our lifetimes even in countries without any immigration. Sticking our head in the sand isn't going to make it go away.
@gentlemandemon
@gentlemandemon 2 жыл бұрын
@@user-ksajdfgja G is a mathematical variable used to help researchers affirm an existing bias. It doesn't do a good job of explaining what intelligence is. The fact that an arbitrary number decreasing along a defined axis doesn't move me.
@useodyseeorbitchute9450
@useodyseeorbitchute9450 2 жыл бұрын
@@gentlemandemon "bad at predicting outcomes" Interesting claim. Which trait measured by psychometry has higher predictive value for real life outcomes?
@gentlemandemon
@gentlemandemon 2 жыл бұрын
​@@useodyseeorbitchute9450 That's a non sequitur. IQ isn't useful by default just because a nobody has found a metric that's fit for purpose. By "fit for purpose," I specifically mean a measure for intelligence or life outcomes. Astrophysicists weren't correct for using "aether" in their calculations even though their conclusions generally matched observations.
@Arcboltkonrad13
@Arcboltkonrad13 2 жыл бұрын
It might also be due to stress but, as you said, it is probably a mix of dozens (if not hundreds) of factors.
@Retheraq
@Retheraq 2 жыл бұрын
Isn't this obvious? Women prefer the tall guy to the smart guy. And, newsflash, women choose in the relationship game.
@torwaldlimmortel5952
@torwaldlimmortel5952 2 жыл бұрын
I may have a few ideas that can explain it : (note that I'm a 24 year old french so I will point at what I saw in France and it will surely being different from one country to another) The overall education from both parents and school gets worse. Many parents don't raise their kids properly, leaving them undisciplinatded and just not caring for school and studying. And social medias doesn't help either, mainly leading for immediat entertainement, brainwashing, looking for popularity by doing stupid stuff and everything getting more and more generic. The education system is also an empty husk. They keep lowering exams' difficulty to match the lowering level of kids, because they focus on "everyone must pass" even if the kids clearly shouldn't have pass. Repeating class is now completely forbidden. Noting that also school doesn't focus anymore about teaching knowledge and skills. I saw the actual topics in school, everything is now about ideology and propaganda. You don't learn anything anymore, you just follow what politics want you to think like a deadbrain.
@chemicalfrankie1030
@chemicalfrankie1030 2 жыл бұрын
i concur with your point
@barbarosbozkurt758
@barbarosbozkurt758 2 жыл бұрын
I really don't knnow about IQ tests but is it possible to have higher IQ after studying?
@iamseamonkey6688
@iamseamonkey6688 2 жыл бұрын
IQ is a discredited intelligence measure.
@bennymuller3379
@bennymuller3379 2 жыл бұрын
It is possible to especially train for IQ tests or you can just train your brain with exercises too, which would also likely end up in better results
@andreasarnoalthofsobottka2928
@andreasarnoalthofsobottka2928 2 жыл бұрын
Yes, the older you get while keeping your brain busy the more knowledge you can acquire. You also acquire an ability called "test wisdom". You also develope to recognize patterns. That's called experience. So when you are tested for IQ, you will be better every time.
@eVill420
@eVill420 2 жыл бұрын
Yes, your brain is adaptable and If challenged Will adjust to handle those challenges
@useodyseeorbitchute9450
@useodyseeorbitchute9450 2 жыл бұрын
Yes... except that results of such intervention tend to fade away within a few years and genetics explain 80% of an adult living in contemporary developed society.
@Kunori
@Kunori 2 жыл бұрын
It's because you spend too much time looking at those screens! - Moms
@beaufryer2042
@beaufryer2042 2 жыл бұрын
As a teacher I don’t put any stock in IQ tests. Talk to me about multiple intelligences and their specific modalities.
@tiredox3788
@tiredox3788 2 жыл бұрын
I mean everyone is smart in different areas. At the end of the day.
@Ar1AnX1x
@Ar1AnX1x 2 жыл бұрын
and that's why it's incredibly hard to measure people's intelligence, having high IQ doesn't mean you're more intelligent than others, only in some areas.
@Ar1AnX1x
@Ar1AnX1x 2 жыл бұрын
@@villesarkilahti4975 no I actually did get a high score but listen dude, it's well known thing now that IQ doesn't completely measure a person's intelligence. it makes sense, it's really more complicated than that. I'm not sure what I'm saying has anything to do with Multiple Intelligence theory.
@Jack_howard_mayer
@Jack_howard_mayer Жыл бұрын
It's because of the dangerous chemicals in the food the water like fluride mercury lead and also the outdated education system
@diegokricekfontanive
@diegokricekfontanive 2 ай бұрын
Increasing information overload is likely one of the primary factors behind this issue, especially the absence of any educational approach aimed at mastering the skill needed to identify trash information.
@carlmartinez7532
@carlmartinez7532 2 жыл бұрын
Probably should explain some of the issues with the IQ tests, you mention some people distrust them but not why.
@manwithgun9768
@manwithgun9768 2 жыл бұрын
My man just roasted all of the twitter user's using math and data, respect.
@sacation6057
@sacation6057 2 жыл бұрын
I personally suspect it might have a correlation with the increase in things such as CO2 in the air. Research has already demonstrated that higher concentrations of CO2 in your room decrease your cognitive abilities, could be the same happening with a long term effect on the IQ when consistently exposed to more CO2
@andrewbobb3170
@andrewbobb3170 2 жыл бұрын
I see where you're coming from, but human tissues typically run at about 5% CO2 (due to making the stuff themselves). Atmospheric CO2 is about 420 ppm, or 0.042%, and the change over recorded history is less than 0.005%, one one-thousandth of the CO2 levels in the body. You get a much larger increase in CO2 just from holding your breath for a couple seconds.
@imnotnotgameiacmaniac5327
@imnotnotgameiacmaniac5327 2 жыл бұрын
@@andrewbobb3170 what do human tissues have to do with anything? the problem is the lungs breathing in the stuff. for example its already been proven kids of parents who live close to highways are much more likely to be autistic. there are also many other chemicals like NOx which increase neurotoxicty
@danielyang8270
@danielyang8270 2 жыл бұрын
oh geez a global warming narrative somehow is connected to human s lack of intelligence
@andrewbobb3170
@andrewbobb3170 2 жыл бұрын
@@imnotnotgameiacmaniac5327 Our bodies ("human tissues") make lots of Carbon dioxide in the process of using energy. This CO2 is carried by the blood to the lungs, where it leaves the blood and is exhaled. Atmospheric CO2 entering the body through the lungs is like a squirt gun shooting up a waterfall. Since you mentioned NOx, perhaps you're thinking of Carbon MONoxide (CO)? That's also found in car exhaust, and is a whole different story.
@artphotognh
@artphotognh 9 ай бұрын
CO2 is at extremely LOW levels, compared to most of earth's history - to the point that further decrease will put the growth of the earth's PLANTS in danger. It took me decades to realize there is ZERO science in this activist agenda, which was created by the globalist WEF to destroy the prosperity of working citizens around the world.
@aarononeal9830
@aarononeal9830 Жыл бұрын
Tldr needs to talk about Ecosia they are a search engine that plants trees
@haruhisuzumiya6650
@haruhisuzumiya6650 2 жыл бұрын
Education needs a new narrative My number one problem with upward mobility is Debt specifically HELPdebt
@beausheffield1895
@beausheffield1895 Жыл бұрын
My hypothesis is that it has something to do with technology. What once humanity had to do in their head or on paper it can now do using a calculator (which have become more advanced), and the internet. I think that the process of doing these menial mental practices increased our IQ. Similar to how lifting weights strengthen our muscles.
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