Which of the following is true regarding research by gibson and walk (1960) using the visual cliff? a) all of the babies in the study crossed the visual cliff when encouraged by their moms. b) gibson and walk demonstrated that babies are born with depth perception. c) infants are not capable of perceiving depth until they reach about 12 months of age. d) gibson and walk demonstrated that most babies displayed depth perception by they time they could crawl.

.d) Gibson and Walk demonstrated that most babies displayed depth perception by they time they could crawl.

Explanation:

The study by Gibson and Walk titled The Visual Cliff concluded that most children can discriminate depth as soon as they can crawl and display depth perception. Even though their mums called across from the other side of the cliff, of the 36 infants used in the study, only 3 walked across the cliff to meet their mum.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.