For the first time the history of the psychological and psychiatric evaluation of astronaut and cosmonaut candidates is detailed. The general public and many professionals assume that psychological is
The g factor--general mental ability--is the major construct for understanding both individual differences and the average differences between groups (race and sex) in educational and occupational att
Aiken weaves scientific research, theory, and philosophical thought into an explanation of the nature of art. The mystery of how art evokes emotion is unraveled and answers are found as to why we make
Lynn and Vanhanen argue that a significant part of the gap between rich and poor countries is due to differences in national intelligence (national IQs). Based on an extensive survey of national IQ te
