(n) __________ occurs when the influence of one independent variable depends on the level of another independent variable included in the design
a. error
b. interaction effect
c. main effect
d. practice effect
b
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Fawzi wants to see if nicotine causes cancer in rats. Half of his rats are given nicotine, and the other half are not. In this experiment, the rats that receive nicotine are the ____, and the rats that do not are the ____.
A. independent variable; dependent variable B. dependent variable; independent variable C. control group; experimental group D. experimental group; control group
Research into human reproductive strategies has found that individuals who favor a fast life history strategy tend to . . .
a. Stay in school longer b. Value present benefits over future rewards c. Assign a high value to parenting d. None of the above
_____ have a master's degree, are often employed by government or private social service agencies, and are trained to work with people with mental disorders who are in dire circumstances, such as poverty, homelessness, or severe family conflict.
A) Counseling psychologists B) Psychiatric social workers C) Humanistic therapists D) Psychiatrists
A person who has many of the personality traits associated with extroversion would most likely be described as
depressed and anxious. active and outgoing. open and receptive. creative and intelligent.