Chimpanzees raised in the wild watched a human model using a tool either efficiently or inefficiently and then themselves interacted with the tool. Which statement is TRUE?
A) Only the chimpanzees observing efficient behaviour used the tool, but use was not efficient.
B) Only the chimpanzees observing efficient behaviour used the tool, and use was efficient.
C) Both groups used the tool in the manner that they observed.
D) Both groups used the tool but did not differ in their efficiency.
D) Both groups used the tool but did not differ in their efficiency.
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Sociometric differentiation occurs when varying degrees of liking develop among group members.
a. True b. False
Ben, who is intelligent and creative, would most likely score high on which dimension of the Big Five trait model?
a. openness to experience b. conscientiousness c. extroversion d. neuroticism
Direct measurement has shown such characteristics as height, memory span, and intelligence to be distributed approximately along a normal curve
Indicate whether the statement is true or false
The changes involved in women's fertility decline occur gradually over a 10-year period, during which
A) the production of estrogen drops. B) the production of estrogen increases. C) monthly cycles gradually increase in length until menstruation stops altogether. D) menstrual cycles become irregular and the reproductive organs increase in size.