In 1972,a British newspaper published pictures of a "Loch Ness Monster." Many people readily perceived a floating tree trunk in the photographs as the partially submerged monster.This best illustrates the powerful influence of

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Perceptual set refers to a mental predisposition to perceive one thing and not another. In the case of the Loch Ness Monster photographs, people had a preconceived idea of what the monster should look like, based on previous descriptions, and therefore were more likely to interpret the floating tree trunk as the monster. This demonstrates the powerful influence of perceptual set on our perception.

In 1972,a British Newspaper Published Pictures of a "Loch Ness