Metamotives are the same things as

According to behaviorist theory, children's vocabularies increase and their pronunciation improves as

a. parents insist on closer and closer approximations of the correct word before they provide reinforcement. b. the quality of their problem-solving ability improves. c. the brain matures with age. d. transformational rules are mastered.

If I collected data on the frequency of various weights for people in a weight loss program, what type of graph should I use to organize the data?

a. A histogram b. A bar graph c. A frequency polygon d. A frequency distribution