Childbirth has moved from what was mainly a natural experience in the 1960s to what is primarily a medical procedure today

Ed likes to play the part of the class clown. He cuts up in class, tells jokes, and always has a funny comment about the teacher. How would Skinner explain Ed's behavior?

a) Ed would score high on the trait of humor. b) Ed has seen other people behave in this manner. c) Ed's classmates frequently respond positively to his antics. d) Ed is actually engaging in aggressive behavior toward the teacher.

Popular children have good social skills and are able to interact with others easily. You could say that these popular children have high

a. emotional expressions. c. social competence. b. expectations. d. self-esteem.