Bias in mental testing
by Arthur Robert Jensen · first published 1980
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…doesn't accept all the existing literature on the unbiasedness of current IQ tests (where the concepts are not too difficult - for example, I think many laymen could get through and understand most of _Bias in Mental Testing_, Jensen 1980 http://emilkirkegaard.dk/en/wp-content/uploads/Bias-in-Menta... explaining what biases there would be, how one would test for them, and why IQ tests are unbiased), one is not going to accept…
on “Neuroscientists use maps of people’s brains to predict reasoning ability” ↗You speak as if these issues have not been studied to death a generation ago already. Jensen’s “Bias in mental testing”, a nearly 800 pages volume full of references, covers it rather extensively, and it came out 40 years ago. What makes me self assured here is that best counter arguments to the body of scientific research…
on “How Much Does Education Improve Intelligence? A Meta-Analysis [pdf]” ↗…than trial-and-error problem-solving behavior, transfer of learning from one problem situation to somewhat different situations, and capacity to acquire abstract or relational concepts. (Arthur Jensen. Bias in Mental Testing. http://www.amazon.com/Bias-Mental-Testing-Arthur-Jensen/dp/0... From the section "Animal Intelligence".) . Perhaps trial-and-error should be classed as a subset of accidental discovery -- e.g. there…
on “Carbon nanotechnology in a 17th century Damascus sword” ↗…weed out progressively larger portions of the population - the human population, that is. Perhaps, as a side-effect, the quality of web-based discussion will rise. . From Arthur Jensen's 1980 book Bias in Mental Testing (pp157-158): Gestalt Completion. Familiar words and objects are shown in various degrees of "mutilation" and the subject must infer what the word or object is. Performance is scored according to the…
on “Can simulated handwriting stop the spambots from getting through?” ↗…compare subjects from the same country/culture. For example, the score on word analogies sections has exact same predictive validity for white Americans as it does for black Americans. See Arthur Jensen’s “Bias in mental testing” for a very comprehensive treatise on the issue.
on “IQ rates are dropping in many developed countries” ↗