学年によるエッセイの評価と語彙密度の関係の違い : British Academic Written Englishコーパスを用いた一考察

概要

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The present study examined the relationship between teachers' evaluation of tertiary essays and lexical density. The lexical density is a measure that indicates the degree of written or spoken-likeness of a text. This study, in particular, compared the relationship according to levels. The comparison was carried out by conducting the lexical density analysis of 2,653 essays in the British Academic Written English corpus. The essays were classified according to the grades (Merit or Distinction) and the levels (1st, 2nd, 3rd or Master). The analysis showed that the relationship differs according to the levels. It indicated that there was significant difference in the lexical density of the Merit and Distinction essays, written by 1st, 2nd or 3rd year students. However, there was no significant difference in the lexical density between the Merit and Distinction essays, written by Master students. Accordingly, this study claims that the levels are one of the important factors that influence to the relationship between the evaluation and the lexical density. In considering the relationship, the lexical density needs to be explored not in isolation but in consideration with the levels.
2010-03-31