Understanding the Link Between Epistemological Beliefs and Academic Achievement: A Meta-Analytic Review
Year 2026,
Volume: 7 Issue: 1, 1 - 23, 29.12.2025
Elif Öztürk
,
Gökhan Öztürk
Abstract
This study synthesized prior research examining the relationship between epistemological beliefs (EB) and academic achievement across K–16 educational settings. A meta-analysis of 15 studies (N = 9,223) reporting correlational statistics yielded a small but statistically significant mean effect size (r = .19, SE = .01, p < .001), indicating a positive association between EB and academic performance. Moderator analyses using regression and ANOVA identified several variables that significantly influenced the strength of this relationship, including students’ demographic characteristics, measurement reliability, and contextual factors such as country and grade level. Notably, the effect size was larger in college samples and Western countries compared to secondary education and non-Western contexts. The findings underscore the importance of considering methodological and cultural variation in understanding how EB relate to achievement.
Ethical Statement
This study is a meta-analytic research that synthesizes existing data from previously published studies. Since no new data were collected from human participants or animals, and all analysed data were derived from publicly available sources, no ethical committee approval was required for this study. All data included in the analysis were obtained from published studies that adhered to their respective ethical guidelines.
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