cross cultural studies

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  • Perceptual development- cross cultural studies
    • depth perception- Turnball, Kenge bambuti pygmy. saw distant buffalo as insects
      • testing the use of pictorial cues- Hudson. bantu, European and indian children. an antelope, elephant and man with spear. beg of primary all had difficulty
      • pictorial depth perception- jahoda and mcgurk, Scottish and ghanain children. woman child and bird.
        • visual constancies- shape constancy- allport and Pettigrew, Zulus could not see trapezoid window illusion
      • size constancy- Segall et al, Zulus were less affected by the illusion than Europeans and americans.
    • methodological probems- imposed etic, representativeness- communication difficulties
    • language- Page (1970) changed the question asked by Hudson.
    • pictorial interpretation- reasons for performing badly could be due to not understanding the depth cues. epitomic (silouttes ie hudson), eidolic (look 3d even when impossible figures)- jahoda
    • IDA-  a biological appraoach- pigementation of the retina varies with skin colour. non human animal research- hard to generalise


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