A few studies have suggested that observational learning of tool use in chimpanzees can be enhanced by:
A) using child human models to illustrate tool use instead of adult human models.
B) increasing chimpanzees' overall contact with humans.
C) studying only chimpanzees raised in the wild.
D) using only tools that are foreign to the chimpanzees' natural environment.
B) increasing chimpanzees' overall contact with humans.
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An example of data that would be analyzed with a chi-square is
a. the mean scores received by men and women on a computer science lab report. b. the average number of meals eaten by cats and dogs. c. the numbers of Republican and Democrats who voted for and against stricter drunk-driving laws. d. the deviations from the median shown in the visual acuity levels of children and adults.
With regard to social support, a. having one close friend did not affect recovery from depression
b. having social support helped speed recovery from depressive episodes. c. having social support had no effect in China. d. having too much social support actually overwhelmed patients and worsened their depression in some cases.
The simulation model developed by Simon and Reed assumes that people benefited from a subgoal because they
a. switched sooner to a more efficient strategy. b. were less likely to make a random move. c. were less likely to make a backward move. d. had a better memory for previously attempted moves.
An 8-year-old child who scored like an average 10-year-old on an intelligence test would have a mental age of __________ and an IQ of __________
a) 8; 80 b) 8; 125 c) 10; 100 d) 10; 125