Puberty never begins before age 8 in girls or age 9 in boys
a. True
b. False
b
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In Exercise 49, the relative frequencies of begging, face wiping, and rolling were compared to the
a. effects of magazine training. b. effects of extinction. c. relative frequency of bar pressing. d. relative frequency of drinking.
When a parent's approval is only received when rules and standards are achieved, a child may develop
a. self-worth. c. conditions of worth. b. self-confidence. d. self-esteem.
Human beings show a. no trends toward seasonality in birth rates
b. mild trends toward seasonality in birth rates. c. strong trends toward seasonality in birth rates. d. strong trends toward seasonality in birth rates in countries near the equator, but weak trends toward seasonality in countries located near the poles of the earth.
Roberto is conducting research on perception of physical stimuli using Weber’s just noticeable difference. Under which condition would the JND need to be the largest to be perceived by his research participant Dan?
a. Dan is first exposed to a moderately bright light. b. Dan is first exposed to a moderately loud sound. c. Dan is first exposed to a very loud sound. d. Dan is first exposed to a very bright light.