The Effects of Repetition on Incidental Vocabulary Learning: A Meta-Analysis of Correlational Studies

Takumi Uchihara*, Stuart Webb, Akifumi Yanagisawa

*この研究の対応する著者

研究成果: Article査読

45 被引用数 (Scopus)

抄録

This meta-analysis aimed to clarify the complex relationship between repetition and second language (L2) incidental vocabulary learning by meta-analyzing primary studies reporting correlation coefficients between the number of encounters and vocabulary learning. We synthesized and quantitatively analyzed 45 effect sizes from 26 studies (N = 1,918) to calculate the mean effect size of the frequency–learning relationship and to explore the extent to which 10 empirically motivated variables moderate this relationship. Results showed that there was a medium effect (r =.34) of repetition on incidental vocabulary learning. Subsequent moderator analyses revealed that variability in the size of repetition effects across studies was explained by learner variables (age, vocabulary knowledge), treatment variables (spaced learning, visual support, engagement, range in number of encounters), and methodological differences (nonword use, forewarning of an upcoming comprehension test, vocabulary test format). Based on the findings, we suggest future directions for L2 incidental vocabulary learning research. Open Practices: This article has been awarded an Open Data badge. All data are publicly accessible via the Open Science Framework at https://osf.io/rmnk2. Learn more about the Open Practices badges from the Center for Open Science: https://osf.io/tvyxz/wiki.

本文言語English
ページ(範囲)559-599
ページ数41
ジャーナルLanguage Learning
69
3
DOI
出版ステータスPublished - 2019
外部発表はい

ASJC Scopus subject areas

  • 教育
  • 言語および言語学
  • 言語学および言語

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