Twelve-month-old Claude has just crawled to the edge of a deep, empty swimming pool. If Claude is like most children his age, he will:
A) Stop crawling forward, and possibly move away from the edge
B) Find the sharp dropout quite fascinating and lean forward to look down
C) Continue crawling because his perceptual abilities don't allow him to detect the dropout
D) Continue crawling because, although he can perceive the drop-off, he hasn't yet developed a fear of heights

Question

Quizplus · Accepted Answer

At around 12 months of age, children like Claude have developed enough depth perception and cognitive ability to recognize a drop-off as a potential danger, leading them to stop and possibly move away from the edge. This is part of their emerging wariness of heights.

Twelve-Month-Old Claude Has Just Crawled to the Edge of a Deep