Eleanor Gibson's Research on Infants and the Visual Cliff Found

question 60

Multiple Choice

Eleanor Gibson's research on infants and the visual cliff found that infants

• A) cannot perceive depth so they show no fear of the visual cliff.
• B) can perceive depth, but do not show fear of the "drop off" until they can crawl.
• C) from the very earliest ages tested all show substantial fear of the "drop off".
• D) show fear of the visual cliff until they can crawl, and then they lose the fear.

---

Definitions:

Fixed Proportions

A production process in which inputs are used in a constant ratio to each other, with no substitution possible between the inputs.

Labor Productivity

An indicator of economic efficiency that evaluates the quantity of goods and services produced (output) relative to the total hours spent in producing those goods and services.

Complementary Resources

Resources used together in production that increase each other's effectiveness.

Fixed Proportions

A production condition where inputs must be combined in strict, unchanging ratios to produce output.