Substance Use and Addictive Behaviors is a new category in the DSM-5 and includes _______.

Jane bought her friends--Mayumi, Brenda, and Kate--drinks the last time they were out. The next time she needs to borrow money from one of them, who will feel the strongest need to reciprocate Jane's act of generosity?

a. Mayumi, who is out with Jane the next night b. Kate, who is out with Jane the next week c. Brenda, who is out with Jane the next month d. All three will feel equally pressured to reciprocate.

The evolutionary concept of ______________ proposes that species that are better able to adapt to the environment are more likely to survive and reproduce

a. struggle for existence c. maturity b. mutation d. natural selection

A psychologist believes that music affects a person's mood. He has some participants listen to waltzes and others listen to military marches, and then measures each participant's mood with a paper-and-pencil test

What are the independent and dependent variables? a. The waltz music is the independent variable and the military march music is the dependent variable. b. The type of music is the independent variable and the participant's mood is the dependent variable. c. The participant's mood is the independent variable and the type of music is the dependent variable. d. The participant's mood is the independent variable and the scores on the paper-and-pencil test are the dependent variable.

Marriage symbolizes a person taking on an intradependence relationship

A. True B. False