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Akifumi Yanagisawa

Biographic Data

ID1025555
NAMEAkifumi Yanagisawa
GIVEN NAMESAkifumi
FAMILY NAMEYanagisawa
SIGNATUREYANAGISAWA A
AFFILIATIONSUniversity of Tsukuba
ORCID0000-0002-7769-5758
VERIFIEDYes
TOTAL WORKS7
TOTAL CITATIONS47
AUTHOR COUNT7
EDITOR COUNT0
FIRST PUBLICATION YEAR2019
LATEST PUBLICATION YEAR2024
H-INDEX3
  • Considerations to promote and accelerate Open Science: A response to Winke

    Open Access•Rie Koizumi, Ryo Maie et al.•ARTICLE•Language Testing•2024

  • How effective is second language incidental vocabulary learning? A meta-analysis

    Open Access•Stuart Webb, Takumi Uchihara et al.•ARTICLE•Language Teaching•2023•Cited by: 7•References: 50

    There is a great deal of variation in gains found between studies of second language (L2) incidental vocabulary learning, as well as many factors that affect learning. This meta-analysis investigated the effects of exposure to L2 meaning-focused input on incidental vocabulary learning with an aim to clarify the proportional gains that occur through meaning-focused learning. Twenty-four primary studies were retrieved providing 29 different effect …

  • Involvement Load Hypothesis Plus: Creating an Improved Predictive Model of Incidental Vocabulary Learning

    Open Access•Akifumi Yanagisawa, Stuart Webb•ARTICLE•Studies in Second Language…•2022

    The present meta-analysis aimed to improve on Involvement Load Hypothesis (ILH) by incorporating it into a broader framework that predicts incidental vocabulary learning. Studies testing the ILH were systematically collected and 42 studies meeting our inclusion criteria were analyzed. The model-selection approach was used to determine the optimal statistical model (i.e., a set of predictor variables) that best predicts learning gains. Following p…

  • To What Extent Does the Involvement Load Hypothesis Predict Incidental L2 Vocabulary Learning? A Meta-Analysis

    Open Access•Akifumi Yanagisawa, Stuart Webb•ARTICLE•Language Learning•2021•Cited by: 7•References: 72

    The involvement load hypothesis (ILH) was designed to predict the effectiveness of instructional tasks for incidental L2 vocabulary learning. In this meta-analysis we examined 398 effect sizes from 42 empirical studies (N = 4,628) to explore (a) the overall predictive ability of the ILH, (b) the relative effects of different components of the ILH (need, search, and evaluation), and (c) the influence of potential factors moderating learning (e.g.,…

  • How Do Different Forms of Glossing Contribute to L2 Vocabulary Learning From Reading: A Meta-Regression Analysis

    Open Access•Akifumi Yanagisawa, Stuart Webb et al.•ARTICLE•Studies in Second Language…•2020

    This meta-analysis investigated the overall effects of glossing on L2 vocabulary learning from reading and the influence of potential moderator variables: gloss format (type, language, mode) and text and learner characteristics. A total of 359 effect sizes from 42 studies ( N = 3802) meeting the inclusion criteria were meta-analyzed. The results indicated that glossed reading led to significantly greater learning of words (45.3% and 33.4% on imme…

  • How Effective Are Intentional Vocabulary‐Learning Activities? A Meta‐Analysis

    Open Access•Stuart Webb, Akifumi Yanagisawa et al.•ARTICLE•Modern Language Journal•2020

    The present meta‐analysis aimed to summarize the extent to which second language vocabulary is learned from the most frequently researched word‐focused activities: flashcards, word lists, writing, and fill‐in‐the‐blanks. One hundred effect sizes from 22 studies were included in meta‐regression analyses and administered separately for the observations measured with meaning‐recall and form‐recall tests. The results revealed that the average percent…

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

    Open Access•Takumi Uchihara, Stuart Webb et al.•ARTICLE•Language Learning•2019•Cited by: 33•References: 62

    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 t…

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

    Open Access•Takumi Uchihara, Stuart Webb et al.•ARTICLE•Language Learning•2019•Cited by: 33•References: 62

    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 t…

  • How effective is second language incidental vocabulary learning? A meta-analysis

    Open Access•Stuart Webb, Takumi Uchihara et al.•ARTICLE•Language Teaching•2023•Cited by: 7•References: 50

    There is a great deal of variation in gains found between studies of second language (L2) incidental vocabulary learning, as well as many factors that affect learning. This meta-analysis investigated the effects of exposure to L2 meaning-focused input on incidental vocabulary learning with an aim to clarify the proportional gains that occur through meaning-focused learning. Twenty-four primary studies were retrieved providing 29 different effect …

  • To What Extent Does the Involvement Load Hypothesis Predict Incidental L2 Vocabulary Learning? A Meta-Analysis

    Open Access•Akifumi Yanagisawa, Stuart Webb•ARTICLE•Language Learning•2021•Cited by: 7•References: 72

    The involvement load hypothesis (ILH) was designed to predict the effectiveness of instructional tasks for incidental L2 vocabulary learning. In this meta-analysis we examined 398 effect sizes from 42 empirical studies (N = 4,628) to explore (a) the overall predictive ability of the ILH, (b) the relative effects of different components of the ILH (need, search, and evaluation), and (c) the influence of potential factors moderating learning (e.g.,…

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

    Open Access•Takumi Uchihara, Stuart Webb et al.•ARTICLE•Language Learning•2019•Cited by: 33•References: 62

    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 t…

  • How Do Different Forms of Glossing Contribute to L2 Vocabulary Learning From Reading: A Meta-Regression Analysis

    Open Access•Akifumi Yanagisawa, Stuart Webb et al.•ARTICLE•Studies in Second Language…•2020

    This meta-analysis investigated the overall effects of glossing on L2 vocabulary learning from reading and the influence of potential moderator variables: gloss format (type, language, mode) and text and learner characteristics. A total of 359 effect sizes from 42 studies ( N = 3802) meeting the inclusion criteria were meta-analyzed. The results indicated that glossed reading led to significantly greater learning of words (45.3% and 33.4% on imme…

  • How Effective Are Intentional Vocabulary‐Learning Activities? A Meta‐Analysis

    Open Access•Stuart Webb, Akifumi Yanagisawa et al.•ARTICLE•Modern Language Journal•2020

    The present meta‐analysis aimed to summarize the extent to which second language vocabulary is learned from the most frequently researched word‐focused activities: flashcards, word lists, writing, and fill‐in‐the‐blanks. One hundred effect sizes from 22 studies were included in meta‐regression analyses and administered separately for the observations measured with meaning‐recall and form‐recall tests. The results revealed that the average percent…

  • To What Extent Does the Involvement Load Hypothesis Predict Incidental L2 Vocabulary Learning? A Meta-Analysis

    Open Access•Akifumi Yanagisawa, Stuart Webb•ARTICLE•Language Learning•2021•Cited by: 7•References: 72

    The involvement load hypothesis (ILH) was designed to predict the effectiveness of instructional tasks for incidental L2 vocabulary learning. In this meta-analysis we examined 398 effect sizes from 42 empirical studies (N = 4,628) to explore (a) the overall predictive ability of the ILH, (b) the relative effects of different components of the ILH (need, search, and evaluation), and (c) the influence of potential factors moderating learning (e.g.,…

  • Involvement Load Hypothesis Plus: Creating an Improved Predictive Model of Incidental Vocabulary Learning

    Open Access•Akifumi Yanagisawa, Stuart Webb•ARTICLE•Studies in Second Language…•2022

    The present meta-analysis aimed to improve on Involvement Load Hypothesis (ILH) by incorporating it into a broader framework that predicts incidental vocabulary learning. Studies testing the ILH were systematically collected and 42 studies meeting our inclusion criteria were analyzed. The model-selection approach was used to determine the optimal statistical model (i.e., a set of predictor variables) that best predicts learning gains. Following p…

  • How effective is second language incidental vocabulary learning? A meta-analysis

    Open Access•Stuart Webb, Takumi Uchihara et al.•ARTICLE•Language Teaching•2023•Cited by: 7•References: 50

    There is a great deal of variation in gains found between studies of second language (L2) incidental vocabulary learning, as well as many factors that affect learning. This meta-analysis investigated the effects of exposure to L2 meaning-focused input on incidental vocabulary learning with an aim to clarify the proportional gains that occur through meaning-focused learning. Twenty-four primary studies were retrieved providing 29 different effect …

  • Considerations to promote and accelerate Open Science: A response to Winke

    Open Access•Rie Koizumi, Ryo Maie et al.•ARTICLE•Language Testing•2024

Psychology (7 works) · Linguistics (6 works) · Second Language Acquisition and Learning (6 works) · Vocabulary (6 works) · Mathematics education (5 works) · Moderation (5 works) · Vocabulary Learning (5 works) · Cognitive psychology (4 works) · Meta-analysis (4 works) · Social Psychology (4 works)

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