Some experts argue that pressures to be strong and muscular have created a new eating disorder among males sometimes called "reverse anorexia," which is characterized by excessive emphasis on extreme muscularity and often accompanied by the abuse of

Eysenck suggested that differences in the ratio of introversion to extraversion may be caused by

a) arousal thresholds in the ascending reticular activating system. b) varying amounts of pituitary gland secretions. c) sensitivity levels of the limbic system and the hypothalamus. d) visceral brain activity.

Traditional IQ tests only test the ___ aspect of intelligence

a. analytical b. creative c. practical d. cultural