한글단어재인에서 단어빈도와 의미점화효과의 관계 = The Relationship between Word Frequency and Semantic Priming Effects in Hangul Word Recognition

국문 초록 (Abstract)

본 연구에서는 어휘판단과제를 사용하여 한글 고빈도단어와 저빈도단어에서 의미점화효과의 크기를 비교하였다. 실험 1에서는 50 ms의 SOA를 사용하였고, 실험 2에서는 80 ms, 실험 3에서는 200 ms의 SOA를 사용하여 점화단어의 제시시간을 다르게 조작하였다. 주요 결과는 다음과 같다. 첫째, 모든 SOA에서 고빈도단어의 반응시간이 저빈도단어에 비해 짧았다(단어빈도효과). 둘째, 모든 SOA에서 점화와 표적 간 의미적 관련조건에서 표적단어의 반응시간이 무관련조건에 비해 짧았다(의미점화효과). 가장 중요한 결과로서 단어빈도와 의미점화 간 상호작용이 관찰되었는데, 의미점화효과는 표적단어가 고빈도일 때보다 저빈도일 때 더 크게 나타났다. 이러한 빈도와 맥락 간 상호작용은 80 ms와 200 ms에서 통계적으로 유의하게 관찰되었다.

다국어 초록 (Multilingual Abstract)

We compared the magnitude of automatic semantic priming effects in high-frequency and low-frequency words in Hangul (Korean writing system) using lexical decision tasks. The duration of prime words (SOA) was manipulated as 50 ms, 80 ms, and 200 ms in Experiments 1, 2, and 3, respectively. In all three experiments, response latency was shorter for high-frequency target words than for low-frequency target words (word frequency effects). Response latency was also shorter when a target word was semantically related to a prime word than when it was semantically unrelated to a prime word (semantic priming effects). Most importantly, there was an interaction between word frequency and semantic priming effects: semantic priming effects were larger for high-frequency target words than for low-frequency target words. This interaction was statistically significant at both 80 ms and 200 ms SOAs.

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