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This study investigated the interaction between phonological phrase boundary and word frequency variable in Korean speech processing. A word monitoring task was performed to examine the interference caused by the frequency effect of target word depending on whether a phonological phrase is formed within the target word. Frequency of target word (high vs low) and phonological phrase boundary (within target word vs between target words) were applied as between and within subject condition respectively. Our results showed the significant main effect of the phonological phrase boundary and the significant interaction. In the post-hoc analysis, the high-frequency target words were detected significantly faster than the low-frequency target words only in the within phonological phrase boundary condition. Frequency effect in the between phonological phrase boundary condition did not appear. The results indicated that the phonological phrase boundary and word frequency variable played an important role in Korean speech processing. In particular, we discussed the possibility of processing the word frequency at the very early sensory information processing stage based on the interaction of two experimental factors. Keywords: phonological word recognition, phonological phrase, frequency effect 1. 서론 말소리에는 분절음적(segmental) 정보와 함께 운율적(prosodic) 정보도 함께 포함되어 전달된다. 따라서 복합적인 정보로 구성 된 말소리 문장을 이해할 때 어떤 정보가 우선 작용하는지를 알 아보는 것은 매우 흥미로운 연구 주제이다. 본 연구의 목적은 연속된 발화에 포함된 음운단어(phonological word) 재인 시 운 율정보와 어휘정보 사이의 상호작용 양상을 살펴보는 것이다. 문어와 구어는 서로 다른 특징을 가지고 있다. 문어는 띄어쓰 기가 단어와 단어의 경계를 명확히 구분하지만, 구어는 단어와 *

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