語形情報と文脈手がかりがEFL学習者の未知語推測に及ぼす影響

概要

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The present study investigates the effects of morphological and contextual clues on Japanese EFL reader's lexical inferences. A total of 148 undergraduates participated in the experiment. Group A (n=70) completed the word-form based lexical inference test which examines the effects of morphological clues, while Group B (n=78) completed the context based lexical inference test which examines the effects of contextual clues on determining the word class and inferring the meaning. After they completed each test, both groups took part in a common lexical inference test which aims at examining the effects of two types of inference processes: morphology based, and context based processes. The results demonstrated that: (a) contextual clues had stronger effects on the success of the judgment of word classes; (b) the knowledge of derivational suffixes helped the word class judgment; (c) contextual clues had advantages over morphological clues on inference of the meaning; and (d) differences of two lexical inference processes did not have much effect on the success of inference. Based on these results, some implications for further research and instructions of lexical inference strategy are provided.