Boys are more likely than girls to use relational aggression

Stephen and Clint have been friends since they were toddlers because their mothers were friends. Both boys have always had similar interests and had about the same body size. The boys are now 15 and Clint is 5 feet tall, but Stephen has shot up in height

to 5 foot 10 inches. Because of his rapid growth in height, Stephen probably has a better __________ than Clint. a) attitude b) demeanor c) self-concept d) self-esteem

Shyla conducted an experiment. She went to the student union and asked people if they would like to be subjects in her study. She decided to ask only those people who smiled at her. Is this an appropriate way to select subjects?

A. Yes-since these individuals smiled and are likely to be cooperative B. Yes-the student union has a diverse group of people C. No-it is not random selection D. No-Shyla failed to assign her subjects to groups first