An Empirical Evaluation of Lexical Diversity Indices in L2 Korean Writing Assessment

被引：0
|
作者：
Sung, Hakyung [1 ]
Cho, Sooyeon [2 ]
Kyle, Kristopher [1 ]
机构：
[1] Univ Oregon, Linguist, 1600 Millrace Dr,Suite 201, Eugene, OR 97403 USA
[2] Zurich Univ Appl Sci, Zurich, Switzerland
来源：
LANGUAGE ASSESSMENT QUARTERLY | 2024年 / 21卷 / 02期
关键词：
LANGUAGE; TEXT;
D O I：
10.1080/15434303.2024.2311728
中图分类号：
G44 [教育心理学];
学科分类号：
0402 ; 040202 ;
摘要：
Lexical diversity (LD) is an important indicator of second language lexical development. Much research has investigated LD indices, with a focus on learners of English. However, further research is needed in languages that are typologically distinct from English, such as Korean. In this study, we evaluated the reliability and validity of LD indices applied to argumentative writing produced by Korean learners. The results indicated that HD-D, MATTR, and MTLD were reliable across different text lengths and were correlated with holistic proficiency scores. However, the meaningful differences were found across Korean-specific tokenization types related to the way morphemes are processed.
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页码：159 / 180
页数：22
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