Answer:
The research strategy that is used to demonstrate infant depth perception is called:
B. The visual cliff.
Explanation:
The visual cliff is a social study <u>created in 1957 in the USA</u> where the researchers saw <u>if a baby crawls normally on a surface has the capacity to identify the depth in that surface</u>, so, this was located at a certain height, a part of this was normal and the other part is a translucent glass with the mother at the other side of the cliff, in the results, <u>the babies regularly identified the cliff</u> <em>but could crawl on the glass if the mother smile him/her or definitively stop before the cliff if the mother made angry or scared</em>.
Answer:
To classify something it means you arrange or organize by classes
Explanation:
