... case study method. I also felt that the matched pairs design would be the most appropriate as it prevented extraneous variables becoming a problem, such as gender and age. I used opportunity sampling as my sampling method, as it was the quickest and easiest option. The sample used was 20 girls ages 16-17 attending a girls grammar school in Bexleyheath. The results I obtained did not differ greatly from those collected by Bruner and Minturn, producing a percentage of 85% correctly predicted answers. This proves my experimental hypothesis correct, showing that perception is indeed affected by previously attended to information. A Study to Prove/Disprove the Theory of Perceptual Set Introduction Perceptual set is the Top Down theory stating that the mind prepares the person for what they are about to see, judged on what has been seen beforehand, e.g. if you are exposed to a set of animals, your mind assumes the next ...

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