{"title":"The Impact of ChatGPT on Students' Academic Achievement: A Meta-Analysis","authors":"Zhiwei Liu, Haode Zuo, Yongjing Lu","doi":"10.1111/jcal.70096","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> Background</h3>\n \n <p>ChatGPT, a generative artificial intelligence (GenAI) chatbot, has gained significant traction as a tool for supporting students learning. Despite its growing popularity, there is still no academic consensus on its effectiveness in enhancing students' academic achievement.</p>\n </section>\n \n <section>\n \n <h3> Objectives</h3>\n \n <p>This study aims to explore the effect of ChatGPT on students' academic achievement through a meta-analysis. It seeks to identify the overall effect size and examine variations based on moderators such as educational level, discipline, intervention duration, sample size, knowledge type, instructional model, role-setting, learning approach, and generated content.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>A meta-analysis was conducted on 37 studies (comprising 37 effect sizes) published between 2022 and 2025. The studies were analysed to calculate the overall effect size (Hedges' <i>g</i>) and to explore subgroup differences.</p>\n </section>\n \n <section>\n \n <h3> Results and Conclusion</h3>\n \n <p>The findings reveal that ChatGPT has a moderately positive impact on students' academic achievement, with an overall effect size of <i>g</i> = 0.577 (95% CI [0.395, 0.759], <i>p</i> < 0.001). Further analysis of moderating variables indicates that no significant differences are observed across educational levels, role-setting, or learning approaches. A greater effect is observed in the social sciences compared to other disciplines; an intervention duration of 5–10 weeks has a larger impact on academic achievement compared to other durations; sample sizes ranging from 21 to 40 participants exhibit a larger impact on academic achievement than other sample sizes; ChatGPT is more effective in supporting the learning of declarative knowledge compared to procedural knowledge; the combination of traditional classrooms with ChatGPT is more effective than using ChatGPT in a flipped classroom; compared to generating code, using ChatGPT to generate text has better academic achievement.</p>\n </section>\n </div>","PeriodicalId":48071,"journal":{"name":"Journal of Computer Assisted Learning","volume":"41 4","pages":""},"PeriodicalIF":4.6000,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Computer Assisted Learning","FirstCategoryId":"95","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jcal.70096","RegionNum":2,"RegionCategory":"教育学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"EDUCATION & EDUCATIONAL RESEARCH","Score":null,"Total":0}
引用次数: 0
Abstract
Background
ChatGPT, a generative artificial intelligence (GenAI) chatbot, has gained significant traction as a tool for supporting students learning. Despite its growing popularity, there is still no academic consensus on its effectiveness in enhancing students' academic achievement.
Objectives
This study aims to explore the effect of ChatGPT on students' academic achievement through a meta-analysis. It seeks to identify the overall effect size and examine variations based on moderators such as educational level, discipline, intervention duration, sample size, knowledge type, instructional model, role-setting, learning approach, and generated content.
Methods
A meta-analysis was conducted on 37 studies (comprising 37 effect sizes) published between 2022 and 2025. The studies were analysed to calculate the overall effect size (Hedges' g) and to explore subgroup differences.
Results and Conclusion
The findings reveal that ChatGPT has a moderately positive impact on students' academic achievement, with an overall effect size of g = 0.577 (95% CI [0.395, 0.759], p < 0.001). Further analysis of moderating variables indicates that no significant differences are observed across educational levels, role-setting, or learning approaches. A greater effect is observed in the social sciences compared to other disciplines; an intervention duration of 5–10 weeks has a larger impact on academic achievement compared to other durations; sample sizes ranging from 21 to 40 participants exhibit a larger impact on academic achievement than other sample sizes; ChatGPT is more effective in supporting the learning of declarative knowledge compared to procedural knowledge; the combination of traditional classrooms with ChatGPT is more effective than using ChatGPT in a flipped classroom; compared to generating code, using ChatGPT to generate text has better academic achievement.
期刊介绍:
The Journal of Computer Assisted Learning is an international peer-reviewed journal which covers the whole range of uses of information and communication technology to support learning and knowledge exchange. It aims to provide a medium for communication among researchers as well as a channel linking researchers, practitioners, and policy makers. JCAL is also a rich source of material for master and PhD students in areas such as educational psychology, the learning sciences, instructional technology, instructional design, collaborative learning, intelligent learning systems, learning analytics, open, distance and networked learning, and educational evaluation and assessment. This is the case for formal (e.g., schools), non-formal (e.g., workplace learning) and informal learning (e.g., museums and libraries) situations and environments. Volumes often include one Special Issue which these provides readers with a broad and in-depth perspective on a specific topic. First published in 1985, JCAL continues to have the aim of making the outcomes of contemporary research and experience accessible. During this period there have been major technological advances offering new opportunities and approaches in the use of a wide range of technologies to support learning and knowledge transfer more generally. There is currently much emphasis on the use of network functionality and the challenges its appropriate uses pose to teachers/tutors working with students locally and at a distance. JCAL welcomes: -Empirical reports, single studies or programmatic series of studies on the use of computers and information technologies in learning and assessment -Critical and original meta-reviews of literature on the use of computers for learning -Empirical studies on the design and development of innovative technology-based systems for learning -Conceptual articles on issues relating to the Aims and Scope