The general category of rule-breaking behaviors in which children yell, throw temper tantrums, and are destructive and sometimes highly aggressive is called

A number of social psychological studies have made use of the autokinetic effect in order to understand ____

a. the so-called sleeper effect b. why convert communicators are so effective c. how alpha and omega strategies work d. informational influence and the formation of group norms

Concerning physical health,

a. the rate of obesity among teens has steadily declined in the past two decades. b. modern teens lead a more sedentary lifestyle and consume more empty calories than in decades past. c. high blood pressure and diabetes remain virtually unheard of in teenage populations. d. genetic factors appear to play little role in the levels of obesity found in teens.