The purpose of Binet and Simon's first intelligence test was to determine which children were likely to succeed in school

Studies of chronic users of cannabinoids have demonstrated that

a. their general intellectual functions are substantially lower than those of nonusers (when groups are matched according to factors other than cannabis use) b. flashbacks may occur, but it is not clear that these are due to cannabis use but due to other drug use c. their body weights are significantly lower than in nonusers d. all of the above

During a sports performance when an athlete experiences intense concentration, detachment, a lack of fatigue and pain, a subjective slowing of time, and feelings of unusual power and control, he or she is experiencing what is known as

a. stellar enhancement. b. flow. c. the hypervigilance state. d. nirvana.