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Word Count: 765
a Describe 2 studies of perceptual development 12 marks b Assess the way in which such studies help to explain the development of perception 12 marks In the following essay I intend to describe two studies of perceptual development I then intend to assess such studies and how they help to explain the development of perception By perceptual development I mean how animals and humans alike develop their seeing capabilities This development of perception could be learnt or innate By innate I mean to be born with the ability a Gibson and Walk conducted a study in 1960 The study was investigating Depth Perception The study involved a 6-month-old child 24-hour-old chicks kids and lambs Gibson and Walk used a Visual Cliff to conduct the study The Visual Cliff was comprised of 2 floors On one side there was a check-board pattern on the other side there is glass floor Below the glass floor there was another floor with check-board pattern This was placed so that an illusion of a cliff and depth was created At first the child was placed and was found to be reluctant to go onto the glass The childs reluctance could be seen as even with encouragement from the childs mother the child refused to go onto the glass The study was continued on chicks kids and lambs All subjects studied refused to go onto the glass Held and Hein conducted a study in 1965 The study was investigating Depth Perception The study involved two kittens The kittens were kept in the dark for a period of eight weeks since their birth and for three hours per day they were kept in a Kitten Carousel The kittens were given appropriate name Passive Kitten and Active Kitten were their names The Active Kitten was given the ability to move freely at its own discretion during the eight weeks The Passive Kitten was unable to move
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