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Direct linkHakyung Sung; Sooyeon Cho; Kristopher Kyle – Language Assessment Quarterly, 2024
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…
Descriptors: Second Language Learning, Korean, Persuasive Discourse, Language Tests
Kristopher Kyle; Hakyung Sung; Masaki Eguchi; Fred Zenker – Studies in Second Language Acquisition, 2024
Although lexical diversity is often used as a measure of productive proficiency (e.g., as an aspect of lexical complexity) in SLA studies involving oral tasks, relatively little research has been conducted to support the reliability and/or validity of these indices in spoken contexts. Furthermore, SLA researchers commonly use indices of lexical…
Descriptors: Second Language Learning, Second Language Instruction, Oral Language, Validity
