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Jastrow illusion : ウィキペディア英語版 | Jastrow illusion The Jastrow illusion is an optical illusion discovered by the American psychologist Joseph Jastrow in 1889. In this illustration, the two figures are identical, although the lower one appears to be larger. The short edge of the upper figure is compared to the long side of the lower one.〔http://library.thinkquest.org/05aug/01744/jastrow.htm〕 ==External links==
*(Reference to the illusion in ''World of Wonders; A Record of Things wonderful in Nature, Science and Art'', Cassel, Petter & Galpin, London, 1873, p. 11. )
Image:Jastrow illusion.svg|With their left sides aligned, the lower figure appears larger Image:Jastrow illusion revealed.svg|Shifting the upper figure to the right reveals their identical sizes
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Jastrow illusion」の詳細全文を読む
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