IV: Whether the young child was called by its mother from the Cliff Side or Shallow Side of visual cliff
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D.V?
D.V: Whether ot not the child would crawl to its mother
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Sample?
36 young children/infants (6-14 months). Mothers took part in the study.
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Ethics?
Parental consent gained
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Animals used?
Chicks, turtles, rats, lambs, kids, pigs, kittens and dogs
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Results?
1) All babies who crawled off the board went onto the shallow side at least once 2). 3 crawled ‘off the cliff’ 3). Most crawled away from the cliff side when called 4). Some cried when mothers were on the cliff side (they could not get to her)
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Results?
5)Chicks aged 24 hours old crawled off the board on the shallow side 6)Kids + Lambs tested as soon as they could stand did not step onto cliff side 7) Kittens demonstrated good depth discrimination from 4 wks old
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Results?
8)Kittens reared in the dark crawled or fell of the board equally on both sides, but once exposed to light they showed a preference for the shallow side
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Conclusions ?
1) Both nature + nurture influence the development of depth perception 2)Some depth cues i.e- motion parallax are innate 3)Some are learned such as relative size 4)Humans +animals have developed some depth perception by the onset of mobility.
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Other cards in this set
Card 2
Front
I.V?
Back
IV: Whether the young child was called by its mother from the Cliff Side or Shallow Side of visual cliff
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