한글 글자 지각시 단어우월 효과: 어휘 속성의 역할 = The word superiority effects in Korean syllable perception: Roles of lexical properties

다국어 초록 (Multilingual Abstract)

Using the Reicher-Wheeler paradigm, we examined the word superiority effect (WSE) in the identification of Hangul syllables. To do so, we manipulated lexical properties such as word frequency, syllable frequency and semantic transparency. In Experiment 1, word frequency and target syllable frequency were manipulated. Semantic transparencies were manipulated in Experiment 2. The results of the two experiments showed the robust WSE in perception of Hangul syllables. The WSE was also modulated by word frequency, syllable frequency, and semantic transparency. The word superiority effect was shown to be larger when the word frequency was high, when the syllable frequency was low, and when the semantic transparency was low. The results indicate that the early processes of visual word recognition are modulated by top-down lexical effects.

국문 초록 (Abstract)

본 연구에서는 Reicher-Wheeler 패러다임을 이용해 한글 글자 지각에서 단어 우월 효과(word superiority effect: WSE)가 나타나는지와 그 효과가 어휘적 속성(하향처리)의 영향을 받는지를 살펴보고자 하였다. 이를 위해 어휘 속성인 단어 빈도, 글자 빈도 및 의미 투명성을 조작하였다. 실험 결과 단어 빈도 및 글자 빈도(실험 1)와 의미 투명성(실험 2)과 같은 어휘적 속성이 WSE와 상호 작용한다는 증거를 발견하였다. 즉, WSE는 목표 단어 사용 빈도가 높을수록, 목표 글자 빈도가 낮을수록, 그리고 목표 단어의 의미 투명성이 낮을수록 더 크게 관찰되었다. 이는 시각적 단어 지각이 하향 처리에 의해 조절될 수 있음을 시사한다.

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