In this video I describe arousal theory, the Yerkes–Dodson law, and flow. Arousal theory suggests that there is an optimal level of arousal that we are motivated to maintain and that we will seek out activities that serve to raise … Read More
Group Differences in IQ
In this video I consider group differences in IQ scores and the history of how group differences by race and nationality have been interpreted. This includes discussion of the eugenics movement, social Darwinism, the Army Alpha and Army Beta tests … Read More