The relationships among L2 fluency, intelligibility, comprehensibility, and accentedness: A meta-analysis

IF 4.2 1区文学 Q1 LINGUISTICS

Studies in Second Language Acquisition Pub Date : 2025-02-06 DOI:10.1017/s0272263125000014

Tuc Chau, Amanda Huensch

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引用次数: 0

Abstract

Fluency, intelligibility, comprehensibility, and accentedness are important dimensions of second language (L2) pronunciation proficiency representing global, listener-based intuitions. This study meta-analyzed 49 reports from 1995 to 2023, examining 141 effect sizes (Pearson r) to understand their relationships and possible moderators. Three-level meta-analysis models showed weighted mean correlations of .82, .75, .62, .57, and .32 for fluency/comprehensibility, comprehensibility/accentedness, fluency/accentedness, intelligibility/comprehensibility, and intelligibility/accentedness, respectively. Task types moderated correlations for fluency/accentedness, intelligibility/comprehensibility, and intelligibility/accentedness, with controlled tasks leading to higher correlations. Ratings of multiple dimensions by the same listeners tended to result in weaker correlations for fluency/comprehensibility and comprehensibility/accentedness. The findings imply that having an accent does not mean being unintelligible and support prioritizing intelligible and comprehensible speech over accent reduction. The study also highlights an over-reliance on first language speaker norms in L2 pronunciation research and advocates for more transparent reporting.

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来源期刊

Studies in Second Language Acquisition LINGUISTICS-

CiteScore

8.00

自引率

9.80%

发文量

期刊介绍： Studies in Second Language Acquisition is a refereed journal of international scope devoted to the scientific discussion of acquisition or use of non-native and heritage languages. Each volume (five issues) contains research articles of either a quantitative, qualitative, or mixed-methods nature in addition to essays on current theoretical matters. Other rubrics include shorter articles such as Replication Studies, Critical Commentaries, and Research Reports.