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논문 기본 정보

자료유형
학술저널
저자정보
Rachapoom Punsongserm (Thammasat University)
저널정보
한국디자인학회 Archives of Design Research Archives of Design Research Vol.33 No.3 (Wn.135)
발행연도
2020.8
수록면
19 - 42 (24page)
DOI
10.15187/adr.2020.08.33.3.19

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초록· 키워드

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Background : A previous study by Punsongserm (2019) examined the performance of Thai fonts on visual word recognition, including the Thai Universal Design font (Thai UD font, trial version) and familiar Thai conventional text fonts. The previous study provided empirical evidence in some characters, which suggests that distinctive letter key features enhance better Thai legibility on visual word recognition than having only harmonizing letterforms. In order to extend the results of the proposed approaches in the earlier studies, this current study is a set of extending findings that contribute to the previous study (Punsongserm, 2019).
Methods : As the previous study, the present investigation included two experiments that applied a blur simulation and a short-exposure methodology to measure the effectiveness of the Thai characters with the real words and pseudo words under low visual acuity conditions. The study invited 30 Thai readers to participate in the experiments with 15 participants in each experiment.
Results : The results revealed that overall effectiveness on low visual acuity conditions of the Thai UD font has an advantage over the conventional text fonts, corresponding to the suggestions in the earlier studies. However, the findings suggest that providing more counter space in certain characters may enhance better visibility. Furthermore, the characters with a jutting part should be defined with particular sufficient inter-letter space (tracking) when they encounter the characters that possess tight letterform or include a jutting part. Moreover, determining sufficient vertical inter-letter space of consonants with upper vowels and lower vowels may also increase visibility under low visual acuity conditions.
Conclusions : In order to test the capability of Thai Universal Design font in low visual acuity conditions on visual word recognition, the study employed real words and pseudo words through a blur simulation and a short-exposure test method. Although humans recognize the words by comprehending word shapes in general reading, humans need to spell a word in some conditions (e.g., unfamiliar words or unknown words), especially in blurry vision. The present study reflects the role and importance of the existence of distinctive of each letterform in Thai UD font on visual word recognition under the conditions of low visual acuity rather than having harmonized letterforms in the other fonts.

목차

Abstract
1. Introduction
2. Method
3. Results and Discussion
4. Conclusion
References

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