Jamil's horse looks just as black in the brilliant sunlight as it does in the dim light of the stable. This illustrates what is known as:

Correct answer: D. Lightness constancy

  • A. Perceptual adaptation
  • B. The phi phenomenon
  • C. Perceptual set
  • D. Lightness constancy

Explanation

Lightness constancy allows an object to appear to retain the same brightness or shade despite changes in illumination. The horse is perceived as black in both bright sunlight and dim stable light.

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