Solomon Asch asked subjects to visuallyjudge the lengths of lines; but he was really

Measures of variability describe the

A. spread of scores in a distribution B. central tendency of a distribution of scores C. reliability of an assessment instrument D. validity of an assessment instrument

Researchers have determined that the active chemicals in marijuana, the cannabinoids, bind to specific receptors in the brain. Later research has shown that endogenous cannabinoids exist in the brain,

and that they play an ongoing role in food consumption. Besides their role in regulating appetite, endocannabinoids also a. play a role in reward systems in the brain. b. cause cravings for sour tastes. c. decrease pleasure when sweet foods are eaten. d. play a role in inhibition of depressed mood.