Scientists created a visual cliff by placing a thick sheet of clear glass over a drop-off. They found that by the time children are old enough to crawl, they will not venture over the "edge" of the "cliff." What skill have the children developed that makes them wary?

Question

Quizplus · Accepted Answer

The children have developed depth perception, which allows them to perceive the drop-off beneath the glass and understand that it represents a potential danger, making them wary of venturing over the "edge."

Scientists Created a Visual Cliff by Placing a Thick Sheet