Why was walking on two legs a useful adaptation?
a. It made running possible.
b. It freed the hands to do other things (e.g., use a tool, carry food, etc.).
c. It allowed for reaching things at a greater distance.
d. It made hominids taller and more frightening to animals.
B. This was a precursor to other changes such as the development of agriculture.
Psychology
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Which cognitive event, often attributed to the work of Martin Seligman, is hypothesized as contributing to the development and maintenance of major depression?
a) self-efficacy b) learned helplessness c) reciprocal determinism d) all-or-none thinking
Psychology
Learning that occurs through seeing or hearing someone else do something is called ______
learning. A) inhibited B) disinhibited C) habituation D) observational
Psychology