Eighteen-month-old Danielle thinks that her daddy is getting smaller and smaller as he walks away from her.This child has not yet developed the principle of _____.
A)size constancy
B)perceptual differences
C)optical illusions
D)retinal disparity

Question

Quizplus · Accepted Answer

Size constancy is the understanding that an object's size remains the same despite changes in the size of its retinal image. Danielle's perception that her father is getting smaller as he walks away indicates she has not yet developed this principle.

Eighteen-Month-Old Danielle Thinks That Her Daddy Is Getting Smaller and Smaller