Goldfield found that a motivator for crawling is
a. interesting visual stimuli that are out of reach.
b. fear of the visual cliff.
c. boredom or loneliness.
d. parental coaxing.
A
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Which of the following statements about stranger wariness is true?
A. The pattern of stranger wariness is the same for infants across all cultures. B. Stranger wariness is less common among North American infants. C. Twin studies suggest that stranger wariness is determined by culture and not genetics. D. Stranger wariness can modify infants' drive to explore as they adapt to various circumstances.
Each adrenal consists of an outer covering, the ____, and an inner core called the ____.
a. pre-ganglionic fibers, paraventricular nucleus b. sympathetic-adrenal medulla axis (SAM), sympathetic-adrenal cortex axis (SAM) c. adrenal cortex, adrenal medulla d. adrenal medulla, adrenal cortex
The "weapons effect" refers to the fact that
a. many people have an emotional response to seeing a weapon. b. the mere presence of a gun can provoke an aggressive response. c. the mere presence of a gun makes people feel safer. d. some weapons provoke more aggression than others.
Which of the following concepts explains why preoperational children can seem exasperatingly selfish or uncooperative at times?
a. transformation b. imprinting c. accommodation d. egocentrism