의사소통판의 애니메이션 효과가 실어증 환자의 목표 상징 식별에 미치는 영향
The Effects of Animation on the Identification of Target Symbols in the Communication Board for Aphasics
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초록
이 연구는 실어증 환자들을 대상으로 그림 상징의 애니메이션효과를 규명하기 위해 목표 상징 식별에서 정적인 그림 상징과 동적인 애니메이션 상징에 대한 반응속도와 오반응율을 측정하여 비교하였다. 표상적 상징인 PCS, Picsyms, Makaton 상징 중 정서(기쁨, 분노, 슬픔, 공포)를 나타내는 16개의 그림 상징들을 선정하고, 이 그림 상징들을 바탕으로 16개의 애니메이션 상징을 제작하여 의사소통판에서 목표 상징을 식별하는 데 소요되는 반응시간과 오반응율에 대해 정적 그림 상징과 비교함으로써 애니메이션 효과를 알아보았다. 실험 결과, 실어증환자들에 있어서 식별 반응속도는 애니메이션 상징의 경우 정적 그림 상징보다 평균적으로 약 25ms 더 빨랐으나 통계적으로는 유의하지 않았다. 오반응율은 애니메이션 상징(25.6%)이 정적 그림 상징(30.0%)보다 유의하게 낮게 나타났다[t(9)=3.29, p<.01]. 이러한 결과는 그림 상징의 애니메이션화가 실어증환자에게 상징 식별을 용이하게 해서 상징 선택 오류를 감소시켜 줄 수 있는 효과적인 전략임을 시사하고 있다.
Abstract
The purpose of this study was to examine the animation effect on identification of target graphic symbols for aphasics. For such purpose, the experiment was performed for evaluating and comparing the reaction time and error rate of identification for two types of symbols, the animated and static graphic symbols. 10 aphasics participated in the experiment. As experimental materials the four types of emotional symbols(happy, anger, sad, and afraid) were selected from PCS, Picsyms, and Makaton symbols. The animated symbols were the transformed versions of the emotional graphic symbols. The reaction times and accuracy on identification for animated symbols were compared with those for static graphic symbols. The findings of the experiment showed that the reaction time of animated symbols were not significantly shorter than those of static graphic symbols, but the errors of animated symbols were significantly smaller than those of graphic symbols for aphasics. The results suggested that AAC system using the animated symbols for aphasics is more effective. The guidelines for the effective AAC system design were discussed in the final section.
참고문헌 (21)
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