______ are used to determine which means are significantly different from one another.
A. Main effects
B. Post hoc tests
C. p Values
D. F values
Answer: B
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The density of white matter in the brain __________.
A. increases throughout childhood B. thickens when the gray matter does, and thins when the gray matter does C. decreases throughout childhood and adolescence D. increases until middle childhood
What is Erikson's term for the period during which toddlers develop independence and autonomy if they are allowed the freedom to explore, or shame and self-doubt if they are restricted and overprotected?
A. psychosocial development-versus-psychosocial disintegration B. autonomy-versus-shame-and-doubt C. temperament-versus-stability D. trust-versus-mistrust
Which idea seek(s) to understand sexual behavior from an economic perspective?
a. social plasticity hypothesis b. social constructionist theory c. social exchange theory d. evolutionary theory
Which of these is a limitation of psychophysiological research methods?
a. Results do not generalize to other situations. b. These methods are inapplicable to infants. c. These methods tend to violate ethical guidelines. d. Measurements may be confounded by hunger or mood changes.