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Muller-Lyer illusion

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    Zivanai G.
    ZW
    Zivanai G.

    done

    Peter Awuni A.
    GH
    Peter Awuni A.

    What is meant by size constancy

    Obed S.
    HT
    Obed S.

    Ok.

    Judy S.
    AG
    Judy S.

    Fishtails certainly make the difference-- Richard Gregory thus explains the difference

    Melissa Stephanie A.
    GB
    Melissa Stephanie A.

    Muller-Lyer proved that just by looking at such a simple basic picture to rely on just a glance we are wrong in what we believe we have seen the theory given by Richard Gregory explains how and why we believe the illusion and proved wrong.

    Tamekia Dominquie T.
    US
    Tamekia Dominquie T.

    The Muller-Lyer illusion is an optical illusion of a set consisting of a set of lines in arrowheads.

    Odongo M.
    UG
    Odongo M.

    Psychology -> Muller-Lyer illusion Muller-Lyer illusion This consists of two lines, one with 'arrow-heads' each end and the other, with 'fishtails' at each end. Although both lines are of equal length, we perceive the line with the 'fishtails' as being longer. Richard Gregory explains this illusion in terms of depth cues and size constancy. He believes that we liken the line with 'fishtails' as being the inside corner of a room and the other line as the edge of a building's outer wall. Both lines cast the same size image on the retina however, as the line with the outward pointing arrowheads is perceived to be further away, we apply size constancy and interpret that it must be longer.

    Dominic M.
    KE
    Dominic M.

    the arrow headed and fish tail headed=same -depending on the perceptual constancy applied -if am not wrong.

    Dominic M.
    KE
    Dominic M.

    the further the longer or the nearer the longer?

    Enemchukwu E.
    NG
    Enemchukwu E.

    informatives

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