雙人抬舉作業之大小重量錯覺效應

Size-Weight Illusion Effect on Two-Person Lifting for Chinese Subjects

10.6848/JWL.201707_5(1).0001

吳水丕(Swei-Pi Wu)；張書瑀(Shu-Yu Chang)

人工物料搬運 ； 雙人抬舉作業 ； 大小/重量錯覺 ； manual material handling ； two-person lifting ； size-weight illusion

工作與休閒學刊

5卷1期（2017 / 07 / 01）

1 - 17

繁體中文

本研究旨在探討雙人抬舉作業之大小/重量錯覺效應。本研究總共有28位受試者(18位男性及10位女性)並兩兩一組共分為14組參與實驗，以探討在不同目標物大小(10^3、14^3及18^3立方英吋)及質量(3.0 kg、6.6 kg 及13.8 kg)對於重量知覺、體積知覺和施力知覺的效應。研究結果發現質量對於重量知覺和施力知覺有顯著效應，但對於體積知覺則無顯著效應；而目標物大小對於重量知覺、體積知覺和施力知覺皆有顯著效應，顯示大小/重量錯覺存在於雙人抬舉中，當重量相同時重量知覺會隨著箱子目標物大小的增加而減少；目標物大小從10立方英吋增加至18立方英吋時，其重量知覺下降26%。此外，性別及國內外不同種族之間皆無顯著的差異。

This study investigates the size-weight illusion effect on two-person lifting. A total of twenty-eight subjects (18 men, 10 women) were recruited to conduct two-person lifting and investigate the perceived heaviness, perceived volume and perceived exertion from the different object size combinations (10^3, 14^3 and 18^3 cubic inches) and mass (3.0, 6.6 and 13.8 kg). The mass significantly affected the perceived heaviness and perceived exertion, However, mass did not significantly affect the perceived volume. The object size effects on the perceived heaviness, perceived volume and perceived exertion were significant. This result showed that a size-weight illusion exists in two-person lifting for Chinese participants. As the stimuli volume increased from 103 to 183 cubic inches, team reports of perceived heaviness decreased 26 %. In addition, there were no significant ethnic or sex differences regarding these effects.

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