A red mug is still perceived as red when it is carried from a brightly lit kitchen out into the dim evening light of a garden, even though the light reflected from it changes a great deal.
Explain the perceptual constancy shown and how Gregory's constructivist theory could account for it.
52 exam-style questions on Edexcel GCSE Psychology 8.1 Perception, covering 8.1.1 Depth cues, illusions and constancies, 8.1.2 Direct Theory of Perception (Gibson, 1996), 8.1.3 Constructivist Theory of Perception (Gregory, 1970), and 8.1.4 Effects on perceptual set. Each one has a worked solution and a mark scheme showing where the marks go.