Hereditarianism is the research program according to which heredity plays a central role in determining human nature and character traits, such as intelligence and personality.
Most prominently in intelligence research, they purport that genetic predisposition determines individual life outcomes more than do either structured environmental influences (i.e. nurture) or developmental noise respectively.
[9] They also discussed the debate regarding race and intelligence, concluding that the evidence to date didn't justify an estimate on the degree of influence of genetics versus environmental causes for average differences in IQ test performance between racial groups.
[12][13][14][15][16][17] Cognitive psychologist Steven Pinker, in his book The Blank Slate (2002), argues that biology explains much more about human nature than people generally acknowledge.
Pastore contrasted this with the claim that behaviorists were more likely to be liberals or leftists, that they believe economic disadvantage and structural problems in the social order were to blame for group differences.