Home> Archive> 2022> Volume 12 Number 3 (Aug. 2022)
IJSSH 2022 Vol.12(3): 172-175 ISSN: 2010-3646
doi: 10.18178/ijssh.2022.V12.1086

Helmholtz Square Illusion Help You Find the Most Figure-Flattening Striped Shirt

Chen Jinuo

Abstract—Almost everybody knows that the salesperson always advises you not to buy some horizontal striped clothes for they will look broader and shorter. On the contrary, Helmholtz square illusion explained that a square composed of many horizontal stripes seems higher and thinner than the one with vertical lines in 1867. However, common sense in the fashion field exactly contradicts this theory. Here, this study would further explore the relationship between horizontal strips and the effect of Helmholtz illusion using a graded series method (GS) and calculating the weighted average extended level of the illusion in the form of the percentage of the relative size people think from 120 participants. Specifically, the GS method was to let participants find out the most similar among a series of different graded sizes of squares with the test horizontal striped square. The result does show that the more horizontal stripes, people judged the less width. Moreover, the difference among the diminishing effect in each varying horizontal stripes duty cycle group is significant after the data analysis. Thus, at last, the relationship can be shown in a predictive curve. As a result, it is recommendable to wear clothes with more horizontal lines if people want to make themselves look even much thinner.

Index Terms—Diminishing effect, duty cycle, graded series method, Helmholtz square illusion.

Chen Jinuo is with Wuhan Britain-China School, Wuhan, China (e-mail: melissa.jinuo@foxmail.com).

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Cite: Chen Jinuo, "Helmholtz Square Illusion Help You Find the Most Figure-Flattening Striped Shirt," International Journal of Social Science and Humanity vol. 12, no. 3, pp. 171-175, 2022.


Copyright © 2022 by the authors. This is an open-access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited (CC BY 4.0).

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