In an experiment, the independent variable is
A. measured by the researcher and is expected to change.
B. not under the control of the researcher.
C. decided by the researcher on the basis of chance alone.
D. not determined by the actions of those taking part in the experiment.
Answer: D
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Caregivers of patients with Alzheimer's disease __________.
A. experience "social death" B. are at high risk for depression C. show high levels of ApoE, even if they do not show any outward anxiety symptoms D. are likely to show signs of cognitive deterioration
The personality characteristic of ____, associated with rebelliousness, novelty-seeking, risk-taking and impulsivity, increases risk of substance use
a. behavioral undercontrol b. extraversion c. introversion d. aggression
Debbie would be described as a person who is bold, independent, and is comfortable with change. She loves to travel to new and exotic places as well as participating in exciting activities, such as snowboarding and scuba diving. Debbie would be described as
a. having a need for power. b. intrinsically motivated. c. high in sensation seeking. d. self-actualized.
The general pattern of implicit memory results is that
a. practice improvements are equivalent at various ages. b. practice improvements are stronger with children. c. practice improvements are stronger with adults. d. children apply strategies, but adults do not.