Hi, The human-shape sign was designed by Japanese designer Yukio Ota in 1980 and listed in ISO 7001 Public Information Symbols in 1983 [2], but little research has been done on the effect of people reading emergency exit signs , in the intervening years. Perhaps: The human-shape sign was designed by Japanese designer Yukio Ota in 1980 and listed in ISO 7001 Public Information Symbols in 1983 [2]. However, since that time, little research has been done on its effect on people who read emergency exit signs.
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