User:JacobRenfrow/sandbox

Lambs
Lambs are able to stand and learn to walk almost as soon as they are born. Just like chicks, they were able to be tested as soon as they could stand. They did not make one error when tested on the visual cliff. When placed on the deep side of the glass, they would become scared and they would tense up and be afraid to move. However, when they were moved to the shallow side they would relax and jump on to the visually shallow surface. This showed that visual sense, instead of the ability of the animal to feel the stableness of the glass, was in control.

Criticisms
One of the criticisms of the visual cliff study was; did they really prove that depth perception was innate in humans? One issue was about the glass over the deep part of the visual cliff. By covering up the deep side with glass babies, like rats, were able to feel the solidity of the glass and would cross over. This response was repeated over and over again in tests. . Another criticism has to do with the experience of the infant. Infants who learned to crawl before 6.5 months of age had crossed the glass, but the ones that learned to crawl after 6.5 months of age avoided crossing the glass. This helps prove that experience does have an impact on avoidance of the glass, rather than just being innate. .