Two horizontal lines are exactly the same length. One line has arrowheads pointing outwards at each end and looks shorter. The other line has arrowheads pointing inwards at each end and looks longer.
Explain which type of visual illusion this is.
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.