A key function of apoptosis in neural cell development is to
Ans: Terminate the formation of new neurons within the developing brain.
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When a young woman interviewed men on either a high, shaky bridge or a low, sturdy bridge, men who were interviewed on the shaky bridge found the woman more exciting. Why are the results difficult to interpret?
a. The woman may have behaved differently on the two bridges. b. Men and women probably react differently to autonomic arousal. c. The same woman conducted the interviews on both bridges. d. The researchers tested only a small sample of participants.
To make sure that groups of participants in an experiment are not generally different from each other before the experiment begins, the experimenter ____
a. ?uses an objective observer to assign participants to groups b. ?uses random assignment to assign participants to groups c. ?assigns participants to groups by himself or herself without interference by anyone else d. ?assigns participants to groups on the basis of an unimportant trait such as hair color
Most psychologists use ______ method(s) to study a single problem
a. the experimental b. the survey c. the correlational d. several
Which agency is responsible for monitoring researchers to ensure studies are conducted ethically?
a. IRB b. NIH c. NIMH d. APA