During the seventeenth century, when European fur traders arrived, the Iroquois changed from a peace-loving tribe to fierce enemies of their neighbours, the Hurons. This suggests that
A) aggression is affected by innate propensities and learned inhibitory responses.
B) economic and social competition can elicit aggression.
C) instrumental aggression is inborn.
D) aggressive instincts can even vary within a culture.
E) evolution selected for aggressive behaviours.
B) economic and social competition can elicit aggression.
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People who drink amounts of alcohol are putting themselves at risk for cognitive difficulties
a. moderate; reduced b. large; reduced c. moderate; increased d. large; no increased
You are being introduced to a stranger, and you want to remember his or her name. Which of the following statements regarding this situation is FALSE?
a. It is important to pay careful attention to the person's name, so that selective attention can move the name to short-term memory. b. After hearing the name, repeat the name to yourself several times and then use the person's name in the next sentence or two that you say to this person. c. If the name slips out of your short-term memory, you can recover it through redintegration. d. If the name slips out of your short-term memory, it will be gone forever.
When asked, "What if you had three eyes?" the typical response of a concrete-operational child is to
a. place the extra eye creatively at an unusual body site. b. wonder about all the advantages a third eye would yield. c. correct the "error," saying that no one has three eyes. d. read whether three-eyed fossil species were real.
Raymond Cattell and John Horn believed that fluid intelligence is tied to
a. physiological maturation. c. domain specific knowledge. b. psychosocial development. d. cultural experiences.