____ are small groups of friends who know each other well, do things together, and form a regular social group; in contrast, ____ are larger, reputation-based groups of adolescents who are not necessarily friends and do not necessarily spend much

Many people believe that the "power of positive thinking" can

effectively counteract serious and potentially terminal diseases. While it is certainly true that positive thinking is essential in helping with recovery, there is no research that suggests that positive thinking can reverse illnesses like cancer. These facts demonstrate which concept from this chapter? A) Replicability B) Extraordinary claims C) Occam's Razor D) Ruling out rival hypotheses

People who are attempting to become extremely thin by refusing to eat suffer from __________

a) bulimia nervosa. b) obesity phobia. c) anorexia nervosa. d) dissociation.