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問題 作者在另一个实驗中証明,观察者对各个等距上的同样大小刺激物的知觉大小,随距离的增加而縮小,但縮小的程度却不随距离而按比例地变化。在各个距离上刺激物物理大小的改变,对距离知觉将起着什么样的影响,是值得进一步研究的問題。支持“大小——距离不变”假設的学者都认为,在視角固定的条件下,距离与大小是互为条件的,二者存在着正比的关系。浦尔迪、吉伯逊(S.Purdy and E.J.Gibson),多田(H.Tada)
In another experiment, the author of the problem proves that the perceived size of the observer for the same size stimuli at each isometric decreases with increasing distance, but the degree of reduction does not vary proportionately with distance. What changes in stimulus physical size at various distances will have on the perception of distance will deserve further study. In support of the hypothesis of “size-distance”, both distance and size are mutually conditional under the condition of fixed perspective, and there is a direct relationship between the two. S. Purdy and E. J. Gibson, H. Tada,