복합명사의 어휘판단에 미치는 의미 투명도의 영향 = The effect of semantic transparency on lexical decisions of compound nouns

다국어 초록 (Multilingual Abstract)

This study was planned to examine whether compound nouns were interpreted by decomposing them into their constituents or accessing to their lexical representation in mental lexicon. In Experiment 1, whether the morphological decomposition was necessary in the interpretation of a compound noun was investigated by presenting modifier-related, head-related, or compound-related associates as primes to T-T, T-O, O-T, or O-O compound nouns. Positive priming effects by compound-related associates were found in all semantic transparency conditions, but inconsistent results were found in the conditions modifier-related associates or head-related associates were presented as primes. It implied that a compound noun was interpreted by accessing to its lexical representation directly in mental lexicon rather than decomposing it into its constituents. In Experiment 2, Inducing compound nouns to be decomposed by inserting an empty space between modifier and head, it was investigated whether patterns of priming effect observed in experiment 1 and experiment 2 were alike or not. If compound nouns had been interpreted by decomposing them into their constituents in experiment 1, patterns of priming effects observed in experiment 1 and 2 would have been similar. Similar patterns of priming effect were found only in the T-T condition, and the direction and amount of priming effects depended on semantic compatibility between compound nouns and their constituents in the other conditions. Therefore, it seems valid conclusion that commonly-used compound nouns have their independent lexical representations in mental lexicon irrespective of their semantic transparency levels, and they are interpreted by accessing directly to their lexical representations in mental lexicon.

국문 초록 (Abstract)

본 연구는 의미 투명도에서 서로 다른 네 조건의 복합명사들이 수식어와 핵심어로 분리되어 처리되는지 아니면 어휘집의 표상에 직접 접근하여 처리되는지를 밝히기 위해 이루어졌다. 실험 1에서는 의미 투명도에서 서로 다른 네 조건의 복합명사에 대해 수식어와 핵심어 및 복합어와 연합된 단어를 점화자극으로 제시하고 복합명사의 해석과정에서 수식어와 핵심어가 분리되어 처리되는지를 밝히고자 하였다. 실험 1에서 복합어와 연합된 단어가 점화자극으로 제시된 조건에서는 모든 의미 투명도 조건에서 정적 점화효과를 보였으나 수식어나 핵심어와 연합된 단어가 점화자극으로 제시된 조건에서는 일관된 결과가 관찰되지 않았다. 이것은 일상적으로 사용되는 대부분의 복합명사들이 수식어와 핵심어로 분리되어 처리되기보다 어휘집의 표상에 직접 접근하여 처리됨을 시사한다. 실험 2에서는 수식어와 핵심어 사이에 빈 공간을 삽입하여 수식어와 핵심어가 분리되어 처리되도록 조작한 다음에 실험 1의 결과와 비교하였다. 그 결과 실험 1과 달리 수식어와 핵심어가 분리되어 처리되는 과정에서 활성화된 의미가 복합명사의 의미와 상충되면 부적 점화효과를 일으키지만 그렇지 않으면 정적 점화효과를 일으켰다. 만일 실험 1에서 복합명사가 수식어와 핵심어로 분리되어 처리되었다면 실험 1과 실험 2에서 유사한 결과가 관찰되어야 하지만 이와 같이 두 실험에서 서로 다른 결과가 관찰되었다. 따라서 우리가 일상적으로 사용하는 복합명사는 의미 투명성에 무관하게 어휘집에 독립된 표상을 가지고 있으며 그 표상에 접근함으로써 해석된다고 보는 것이 타당하다.

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