Supplemental Material for

Self-Grading and Peer-Grading for Formative and Summative Assessments in 3rd Through 12th Grade Classrooms: A Meta-Analysis

Carmen E. Sanchez , Kayla M. Atkinson, Alison C. Koenka, Hannah Moshontz, and Harris Cooper

Journal of Educational Psychology, Vol. 109, No. 8, pp. 1049–1066

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https://doi.org/10.1037/edu0000190

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