Gloria plans to spend a semester abroad in Thailand. She looks forward to learning about the culture by reading books, studying about the culture and religions, and interviewing people she meets

Which technique uses reinforcement to change behavior?

a. operant conditioning c. aversive conditioning b. classical conditioning d. desensitization

While many teens who are sexually active report using contraception at last intercourse, it is difficult to tell

A) from where they are purchasing the contraception. B) who has taught them to use the contraception. C) if they switch forms of contraception over time. D) whether they use contraception consistently and correctly.