Testing an infant's perception of depth requires ingenuity, but Gibson and Walk were able to design a procedure in order to test infants on a "visual cliff." Explain how they created a "cliff" and describe the results of their research
What will be an ideal response?
Answer: A good answer will include the following key points.
• The "visual cliff" is a pane of glass covering a shallow surface on one half and a deep surface on the other half.
• When babies who are only 6 months old are placed on the shallow side, they will refuse to crawl out over the cliff.
• At only 2 months of age, babies placed on the deep side show a drop in heart rate indicating that they can perceive the depth and are interested in it.
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What will be an ideal response?
"I never forget a face." If that is really true, then the individual is referred to as a(n):
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Studies show that__________is connected with aggressive behavior in monkeys, cats, and other animals
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