A psychologist who studies the ways in which people influence one another's behavior is a __________ psychologist

Mental tests ________

A) measure variations in developmental progress B) focus on the process of cognitive development C) are accurate indicators of what babies and toddlers understand D) focus on environmental influences on intelligence

One of the earliest laws concerning the learning of skills was Edward Thorndike's observation that actions rewarded tend to be repeated, while those actions that are punished tend not to be repeated. This observation is called the Law of

A. Reinforcement. B. Rewards. C. Conditioning. D. Effect.