. Thinking, feeling, doing . reasing change ofdirection is shown in Fig. 124. Thetwo horizontal lines appear curved. There is still another class of illusionsresting on a mistake of attention. Thevertical lines in Fig. 125 are all of thesame length, although apparently quitedifferent. Fig. 126 shows how the crinolinemakes people appear shorter. The reason for this illusion is this :whereas we suppose ourselves to be com-paring the vertical lines, we are reallypaying attention to and comparing theareas between the cross-lines. The areasbetween the cross-lines in Fig. 127 are equal, an
. Thinking, feeling, doing . reasing change ofdirection is shown in Fig. 124. Thetwo horizontal lines appear curved. There is still another class of illusionsresting on a mistake of attention. Thevertical lines in Fig. 125 are all of thesame length, although apparently quitedifferent. Fig. 126 shows how the crinolinemakes people appear shorter. The reason for this illusion is this :whereas we suppose ourselves to be com-paring the vertical lines, we are reallypaying attention to and comparing theareas between the cross-lines. The areasbetween the cross-lines in Fig. 127 are equal, and we judge both parts of ^-the line to be equal, whereas measure- \Jment shows them to be unequal. In Fig. 128 the judgment of heightis influenced by the total space occu-pied by the persons clothing. Why do tall men dress in sober colorsand wear frock coats, while short menprefer dark cutaway coats with silk vestand light trousers ? Both kinds of il-lusion, that of interruption and that ofmistaken attention, come into
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpsychop, bookyear1895
