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
History of Intelligence Testing
In this video I briefly describe the history of intelligence testing including the work of Sir Francis Galton, Alfred Binet, Theodore Simon, William Stern, Lewis Terman, and David Wechsler. I also discuss the concepts of mental age, ratio IQ, deviation … Read More