System variables are
A. systematic.
B. uncontrollable.
C. controllable.
D. unsystematic.
C
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Larry is a graduate student whose major area of interest is social psychology. You should expect that Larry is MOST interested in
a. the ways in which physical or genetic factors influence and determine behavior. b. the internal factors that lead people to act consistently across a variety of situations. c. how people relate to each other and influence each other. d. the ways in which behavior and mental processes change over a lifetime.
When identifying obsessive-compulsive disorder, obsessions are , and the compulsions are
a. behaviors; thoughts b. distinctly abstract; distinctly concrete c. worrisome but harmless; harmless but unusual d. troublesome repetitive thoughts; repetitive ritualistic behaviors
Meningitis is an inflammation of the ____
a. cerebrospinal fluid b. glia c. membranes surrounding the brain d. medulla oblongata
In an experiment, researchers exposed half of the participants to loud noise during a memory-encoding task. The room was quiet for the other half of the participants. Later, all participants were given a memory test and the number of correct items recalled was obtained for each participant. What is the independent variable?
A) the number of items recalled B) the noise level during the encoding task C) the time interval between encoding and recall D) the probability of being assigned to the two groups