In the visual cliff experiment by Eleanor Gibson and Richard Walk (1960),most babies encouraged to crawl onto the deep side of the visual cliff would:

Question

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In the visual cliff experiment, most babies would not crawl onto the deep side of the visual cliff, even when their mothers encouraged them to do so. This suggests that they have developed depth perception and can differentiate between surfaces that are safe and those that are not. Option A is incorrect, as the babies do not crawl onto the cliff side. Option C is incorrect, as the babies did not require their mothers' encouragement to crawl onto the shallow side of the visual cliff. Option D is incorrect as the experiment did measure heart rate, but it did not show significant increases in response to the visual cliff.

In the Visual Cliff Experiment by Eleanor Gibson and Richard