ISSN : 1226-9654
본 연구는 두 개의 어휘 판단 과제를 통해 음운 및 표기 이웃 효과에 한자어 형태소 효과가 개입되어 있는지 아닌지를 검증하였다. 과거 한글 음절 이웃 효과 연구들에는 한자어 형태소 요인을 통제하지 않았기 때문에 음절 이웃 효과를 유발 시키는 주요 정보가 음운인지 표기인지 불확실 했다. 실험 1에서 표기 이웃 크기를 고정한 상태에서 음운 이웃 크기와 한자어 이웃 크기 간 관련성을 검증하였다. 실험 1 결과 음운 이웃이 크고 한자어 이웃이 큰 경우가 한자어 이웃이 작은 경우에 비해 어휘 판단 시간이 감소하였다. 실험 2는 음운 이웃 크기를 고정한 상태에서 표기 이웃 크기와 한자어 이웃 크기 간의 관련성을 검증하였다. 실험 2 결과 표기 이웃 크기와 한자어 이웃 크기 간의 관련성이 나타났지만 실험 1 결과와는 다른 관련성이 나타났다. 논의에서 한글 음절 이웃 효과 연구에서 필수적으로 한자어 형태소를 고려 할 것을 제안하였고 음절 이웃 효과를 유발하는 정보가 음운인지 표기인지를 논의하였다.
Previous studies on syllabic neighborhood effects had not considered the effects of morphological family size which could reduce inhibitory effects that take place as the size of syllabic neighborhood increases. The present study investigated whether the large morphological family size reduces the neighborhood size effect in phonological syllables or in orthographic syllables. Two lexical decision tasks were conducted to examine this issue. The result of Experiment 1 revealed that large morphological family size led to the decrease in inhibitory effects as the size of phonological syllable neighborhoods increased. However, in Experiment 2, while the morphological family size had no effect in the reduction of lexical decision latency, the lexical decision latency increased for large orthographic syllable neighborhoods. The implications of different morphological family size influence on phonological and orthographic neighborhood size effects are discussed in the present study.
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