What question did this study set out to answer?

To assess the overall effectiveness of dialogue-based computer-assisted language learning (CALL) conversational agents on second language proficiency and identify moderating system features.

August 15, 2022Language learning & technologyOpen Access

Dialogue systems for language learning: A meta-analysis

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To assess the overall effectiveness of dialogue-based computer-assisted language learning (CALL) conversational agents on second language proficiency and identify moderating system features.
Conducted a systematic review identifying 17 meta-analyzable studies comprising k = 100 individual effect sizes calculated via Morris and DeShon's formulations.
Synthesized effect sizes using a multilevel random-effects model alongside moderator analyses evaluating interaction types, modality constraints, feedback, agent embodiment, and gamification.
Dialogue-based CALL practice demonstrated a statistically significant medium overall effect on second language proficiency development (d = 0.58).
Moderator analyses showed higher effectiveness for form-focused, goal-oriented, system-guided designs, corrective feedback provision, and gamification, with notable benefits in vocabulary, morphosyntax, holistic proficiency, and accuracy among lower-proficiency learners.

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Implication

Meta-analysis reveals medium positive effects of dialogue-based conversational agents on foreign language proficiency in learners, highlighting the value of structured feedback and gamification.

Cite This Study

Bibauw et al. (2022) studied this question.

synapsesocial.com/papers/69f720f29f73217a18c159af https://doi.org/10.64152/10125/73488

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Implication

Meta-analysis reveals medium positive effects of dialogue-based conversational agents on foreign language proficiency in learners, highlighting the value of structured feedback and gamification.

Dialogue systems for language learning: A meta-analysis

Key Points

Discussion

Implication

Cite This Study

Dialogue systems for language learning: A meta-analysis

Key Points

Discussion

Implication

Cite This Study

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