4 ms·

> You might want to read: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182557/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182557/ Read. The article's results

by jkyle 11y ago

> You might want to read: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182557/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182557/ Read. The article's results confirm what I said. They found that 60% of the variability in crystallized IQ and 49% of variability in fluid IQ are due to environmental factors. Considering that IQ variability between African American's and American's of European descent has closed to 0.33 standard deviations and one standard deviation on the Stanford-Binet is 15 points the variation we see can be accounted for entirely by variability due to environment. > You are also flirting with Lewontin's Fallacy The wikipedia article you link provides quite a bevy of publications, professional groups/committees, and journals that do not agree with Edward's interpretation of the data while there is little to none to be found that do agree. Further, Edward's is arguing against a data set and assertion made 40 years ago while all the aforementioned critics in that wikipedia article and the articles I linked are using current data, methods, and techniques. Far from an old, untested hypothesis the negation of race as a clearly demarcated, global, and distinct genetic classification is the current well researched position of all fields touching on the topic and the overwhelming majority of researchers within those fields. Something is not a fallacy just because one guy calls it such.

peterfirefly 11y ago
Most of the environmental impact on IQ comes from nutrient deficiencies and diseases (especially in childhood). Most of the variation that isn't explained by biological heridity is simply unexplained at the moment. It is wrong to attribute all of it to the environment in the normal sense of that word. My guess is just noise during the construction of the brain. (And of course races are not clearly demarcated. Duh! There are still populations, though, and there tend to be differences, big and small, between them.)

by jkyle 11y ago

peterfirefly 11y ago

Most of the environmental impact on IQ comes from nutrient deficiencies and diseases (especially in childhood). Most of the variation that isn't explained by biological heridity is simply unexplained at the moment. It is wrong to attribute all of it to the environment in the normal sense of that word. My guess is just noise during the construction of the brain. (And of course races are not clearly demarcated. Duh! There are still populations, though, and there tend to be differences, big and small, between them.)