AP Psychology Practice Test 2026 - Free AP Psychology Practice Questions and Study Guide

Question: 1 / 530

What does relative motion (motion parallax) involve?

Objects closer moving faster than those farther away

Stable objects appearing to move as the observer moves

Relative motion, also known as motion parallax, involves the perception of stable objects moving as the observer moves. This is due to the fact that objects closer to the observer will appear to move faster than objects farther away, creating the illusion of relative motion. Option A is incorrect because in relative motion, objects closer do not necessarily move faster, but rather appear to move faster. Option C is incorrect because motion parallax does not involve any changes in color. Option D is incorrect because while the ability to move towards or away from objects may be a factor in motion parallax, it is not the main defining aspect of this phenomenon.

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Objects changing color as the observer moves

The observer's ability to move towards or away from objects rapidly

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