The chimpanzee in Kohler's insight experiment _____.
A. used trial-and-error to reach a banana placed just out of reach
B. turned its back on the banana out of frustration
C. sat for a while, then used a stick to bring the banana within reach
D. didn't like bananas
Answer: C. sat for a while, then used a stick to bring the banana within reach
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Random variation in measurement is termed
A) reliability. B) bias. C) validity. D) error of randomness. E) error variance.
The anterior intraparietal sulcus is important to our ability to __________.
A. reach for a small object B. grasp an object C. locate a familiar sound D. recognize an object
Why are estimates of the prevalence of bipolar disorder thought to underestimate the actual frequency of the disorder?
a) The symptoms are hard to detect. b) Insurance does not cover the cost of therapy. c) Bipolar disorder is often mistaken for panic disorder. d) Some patients with mild symptoms are never diagnosed with this disorder.
An educational psychologist who gives the same test twice to the same people to check the accuracy of the test is assessing
A) a model's fit. B) test-retest reliability. C) split-half reliability. D) interraterreliability.