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The Effect of Hangul Print Size on Reading Speed of Young and Older Adults in a Computer Environment

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2015, v.27 no.3, pp.367-384
https://doi.org/10.22172/cogbio.2015.27.3.003



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Abstract

In this study we examined the effect of Hangul print size on reading speed of young and older adults in a computer environment. The accuracy of sentence reading was measured under the 7 conditions of print sizes, 0.25∼16 times as great as a regular print size for the Internet. The reading speed curve was drawn by applying the curve fitting method to the reading accuracy data. The critical print size(CPS) and the maximum reading speed of young and older adults were compared. The CPS, the smallest print size that can be read with the maximum speed, is at least required for the effective reading performance. The results showed that the reading speed of young and older adults started increasing at the print size of visual angle 0.13° and went up rapidly on line with the print size. The maximum reading speed was reached at the CPS and maintained until the print size of 8.32°. The CPS of older adults, 0.52°, was greater than that of young adults, 0.41°. The maximum reading speed(wpm) were 296 for young adults and 208 for older adults, showing the overall slowdown of reading speed by aging. Our results suggest that the critical print sizes which induce the most effective reading performance are different between young and older adults, and that it is necessary to use a suitable print size for each age group to maximize the reading performance.

keywords
한글, 글자 크기, 노화, 읽기 속도, 연령, 한국어, Hangul, print size, aging, reading speed, age, Korean

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The Korean Journal of Cognitive and Biological Psychology