How do researchers decide which levels of an independent variable to include in an experiment?
a. They attempt to make the levels as different from each other as possible.
b. They use their knowledge of prior research findings.
c. They use logic, common sense, and predictions from theories.
d. all of the above
d
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Research on gender differences in empathy suggests that ____ in accurately understanding the emotional states of others
a. women are quite a bit better b. women are slightly better c. there are no gender differences d. men are quite a bit better
Enkephalins and endorphins are examples of
a. brain disregulators. b. neural inductors. c. neuropeptides. d. ion channeling agents.
When the Stanford-Binet was first used, the correct formula for IQ was
a. IQ = CA / MA x 100. b. IQ = MA / 100 x CA. c. IQ = MA x CA x 100. d. IQ = MA / CA x 100.
____________ extend like roots from the cell body to receive incoming messages from thousands of adjoining neurons
Fill in the blank(s) with correct word