/sci/ - Science & Math

>>14880373
>>14880409
>Ever trusting a Lynn study
Fitting the data to the conclusion, also known as scientific misconduct

>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea
>private school that yielded high IQ scores: unrepresentative, because it's a private school.
>private school that yielded low IQ scores: representative

Pic related. The result of the study is the best predictor of an IQ study's inclusion in Lynn's survey.

Source:
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003

>>12055282
>Lynn gave detailed explanation for why he excluded some estimates in his responses to Wicherts
And then failed to respond to Wichert's response when he pointed out "coincidences" like pic related.

Lynn excluded one school where IQ tested 106 average because it was a "fee-paying" school. Then accepted a sample from another "fee-paying" school that returned an 66 IQ average. Tons of contradictions like this, carefully laid out, one by one, if you're willing to read (you're probably not, though).

http://dx.doi.org/10.1016/j.intell.2009.11.003

>>11862274
>Science worshipper's method
It describes race scientists to a T, actually. Pic related.
And when we try to point this out to the average /pol/tard they call us science deniers.
Ironic.

>>11069121
>how's about we go to a poor town and test both the whites and the blacks shopping at the Walmart
That's exactly his point. This is what Lynn does not do.
Lynn tested the children of higher-educated Japanese, from top private schools, and then concluded that Japanese IQ is on average 11 points higher than White IQ.

On a related note, his meta-analysis of African IQ studies discarded almost every study that yielded an IQ higher than 85, regardless of methodology, even if other studies not discarded by his analysis featured the same methodology. In fact you can predict (pic related) which studies his meta-analysis considers representative by only considering the IQ result and ignoring every other factor.

>>11035002
>extrapolating results from the "draw a man" test given to children who had never held a pencil
>assuming that if a child doesn't remove the researcher's mark from their face, they necessarily fail the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>school that tested high IQ deemed unrepresentative because private. but another private school that tested low IQ scores was deemed representative
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea
Pic related. The best predictor of an IQ study's inclusion in Lynn's survey is whether or not the "correct" result was measured (i.e. cherry-picking, in the most literal sense).
Source:
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.
In other words, when you take the actual African IQ, environmental factors can explain the difference.
But the Pioneer Fund certainly wouldn't want that...
American boomer race """science""" is hopelessly politicized.

>>10904656
>That presupposes that the only difference between children from elite families and the rest of the country is wealth and nutriment
Whether there are other differences is irrelevant here. You still control for as many factors as possible.

>this has not proven true for other nations
Moleti Mariacarla, Trimarchi Francesco, et. al. Thyroid. February 2016, 26(2): 296-305. https://doi.org/10.1089/thy.2015.0336
>Overall, the prevalence of borderline or defective cognitive function was more than threefold higher in the children of mothers not using iodized salt than of those mothers using it (76.9% vs. 23.1%, odds ratio 7.667 [CI 2.365?24.856], χ2=12.65; p=0.0001).
Yousafzai, Aisha K et al. Effects of responsive stimulation and nutrition interventions on children's development and growth at age 4 years in a disadvantaged population in Pakistan: a longitudinal follow-up of a cluster-randomised factorial effectiveness trial. The Lancet Global Health , Volume 4 , Issue 8 , e548 - e558 http://dx.doi.org/10.1016/S2214-109X(16)30100-0
>Children who received responsive stimulation (with or without enhanced nutrition) had significantly higher cognition, language, and motor skills at 4 years of age than children who did not receive responsive stimulation.
That's just two examples pulled from a quick scholar search, but there's plenty more.

If a kid has malaria (~50% chance of severe brain damage), he's going to confound the study. If he's white or asian, you would exclude him, so you also have to exclude him from a black study. Otherwise, you're presuming that well-known confounds somehow don't affect blacks, which is unsupported by research at this time.

The Weicherts study provided statistical evidence that if, knowing nothing else about the studies, you wanted to predict which ones Lynn chose to exclude, you could simply choose all the ones that yielded an IQ result inconvenient for the narrative he wanted to push. It shouldn't be that easy.

>>10727618
>We have our own retards and criminals that we've decided need supervision or expulsion. A lot of ethnic groups would on average fall short of those standards.
>criminals
explain this to me. how can an individual be, "on average", guilty of a crime that warrants expulsion?

>>10727722
ted kacynski's manifesto is an excellent example of circular reasoning. it holds up very poorly to any reasonable scrutiny. you know it's gold when a section begins with "almost anyone will agree with me on this..."

>>10727825
>Regardless of if we can accurately measure intelligence, it is obviously a genetic trait as all other traits are.
correct, but unfortunately, since we can't define it, we can't tell who has it and who doesn't.

>Drastically unlikely? that members of species evolutionarily isolated for thousands of years to the point where the skin pigment, bone structure and musslce mass dirverged evolved the EXACT SAME level of genetic intelligence.
i don't believe they have the EXACT SAME. i just don't believe the differences are great enough to warrant any action. especially when you take into account that these are intelligence distributions -- it's a certainty that the "more intelligent" race is bound to have many members who are dumber than the average member of the "less intelligent" race.

>Whether or not we should base social policy upon the outcomes of scientific research is somewhat beside the point
the problem is that for many, it's precisely the point.
but from a scientific standpoint, the definition of intelligence is murky, and even if we decide that intelligence is equivalent to iq, the evidence is still inconclusive.

>>10566868
>>10566882
>>10566885
70 average IQ of negroes is false, based on meaningless data and cherrypicking IQ study results.
>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>private school that tested high IQ: unrepresentative (it's a private school). private school that tested low IQ scores: representative
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea
Pic related. The result of the study is the best predictor of an IQ study's inclusion in Lynn's survey.
[citation needed]
Sure.

Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.
In other words, when you take the actual African IQ, environmental factors can explain the difference. And the Pioneer Fund certainly oouldn't have that.

>>10533284
>Falling for the 60 IQ meme

>>10517318
>getting shit on = getting censored
kys

>it is a simple scientific fact that africans have low intelligence
stormnigger, they gamed the statistics to get the results they wanted. the same claims you make about climate scientists right?

>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>private school that tested high IQ: rejected because a private school. a private school that tested low IQ scores: representative!
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea
Pic related: high IQ = unrepresentative, low IQ = representative, regardless of study methodology or soundness.
Source:
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.

>>10419369
>China results are gamed
And so are the African results.

>"draw a man" test given to children who had never held a pencil (it's not even an IQ test anyway)
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>a private school that tested high: deemed unrepresentative because it came from a "fee-paying school"
>a private school that tested low: deemed representative
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea

Pic related: methodology, sample size, or soundness are not correlated with Lynn's acceptance of a study's result. The IQ result itself is the best predictor (i.e. he takes low results and throws out high ones)
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.

>>10131542
>new
Nihilists, such as Nietzsche in the 1800's, have been making that argument for millennia. You can even find it in the christian bible.

>>10131552
>p-hacking and dishonest data collection
>empirical backing
Choose one and only one

>>10063985
>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>private school that tested high IQ: rejected because a private school. a private school that tested low IQ scores: representative!
>samples from a school for the retarded located in Spain used as a proxy for average IQ of Equatorial Guinea
Pic related: high IQ = unrepresentative, low IQ = representative, regardless of study methodology or soundness.
Source:
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.

>>10019507

>>9825088
>African IQ is around 70-80
Fake & fraudulent statistics generated by a eugenicist shill (Richard Lynn).

Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003
>In light of all the available IQ data of over 37,000 African test-takers, only the use of unsystematic methods to exclude the vast majority of data could result in a mean IQ close to 70. On the basis of sound methods, the average IQ remains close to 80. Although this mean IQ is clearly lower than 100, we view it as unsurprising in light of the potential of the Flynn Effect in Africa (Wicherts, Borsboom, & Dolan, 2010) and common psychometric problems associated with the use of western IQ tests among Africans.

>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face for the mirror test
>taking samples from hospitals for malaria-infected children (protip: malaria is known to cause brain damage in over 50% of victims)
>private school that tested high IQ: rejected because a private school. private school that tested low IQ scores: representative!
>samples from a school for the retarded located in Spain determined the average IQ of Equatorial Guinea
Pic related proves that with Lynn, high IQ = unrepresentative, low IQ = representative, regardless of study methodology or soundness.

>>9769323
Jelte M. Wicherts, Conor V. Dolan, Han L.J. van der Maas, The dangers of unsystematic selection methods and the representativeness of 46 samples of African test-takers, Intelligence, Volume 38, Issue 1, 2010, Pages 30-37, ISSN 0160-2896, http://dx.doi.org/10.1016/j.intell.2009.11.003

>extrapolating results from the "draw a man" test given to children who had never held a pencil
>children accustomed to having their faces marked for ritual purposes didn't remove the researcher's mark from their face, "failing" the mirror test
>taking samples from hospitals for malaria-infected children (tip: malaria is known to cause brain damage in over 50% of victims)
>private school with high average IQ: rejected, because it's unrepresentative due to being a private school.
>private school with low average IQ: deemed representative
Pic related shows: with Lynn, high IQ = unrepresentative, low IQ = representative, not study methodology or soundness.

Garbage in, garbage out