Viability is defined as the age at which a fetus can survive on its own outside the womb. On the
average this is at _________________ weeks.
a. 18
b. 24
c. 30
d. 34
b. 24
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The fact that both biological and environmental factors have been shown to jointly govern eating behavior, sexual desire, and the experience of emotion is illustrative of which of the following unifying themes of your textbook?
a. Psychology is empirical. b. Psychology evolves in a sociohistorical context. c. The interplay of heredity and environment. d. Our behavior is shaped by our cultural heritage.
The one-way within-subjects design involves one independent variable with ______level(s).
A. one B. three or more C. dual D. two
Neuroimaging and post-mortem studies of depressed patients’ brains reveal that they have….
A. Fewer dopamine receptors B. Fewer serotonin receptors C. More dopamine receptors D. More serotonin receptors
Regarding samples, which of the following statements is FALSE?
a. Samples are cross-sections of a population. b. Samples are used to draw conclusions about larger groups. c. Inferential statistics are often applied to samples. d. Samples are often too difficult to obtain for research.