卓越實證概述 Best Evidence in Brief

The impact of peer assessment on academic achievement

Researchers from the University of Oxford’s Department of Education conducted a meta-analysis to examine what effect peer assessment interventions have on academic performance.

Published in Educational Psychology Review, the meta-analysis evaluated the effect of peer assessment on academic performance when compared to no assessment and teacher assessment. Fifty-four studies were included in the meta-analysis, of which 45% were with school-age students. Studies had to examine the effect of peer assessment on non-self-reported measures of academic achievement and have a control or comparison group, using no assessment, teacher assessment, or self-assessment.

The findings from the analysis indicated that:

  • Overall there was a significant positive effect of peer assessment on academic performance compared with no assessment (ES= +0.31) and teacher assessment (ES = +0.28).
  • The effect size was similar when peer assessment compared with self-assessment (ES = +0.23) though this result was not significant.
  • The effect sizes were slightly larger for school-age children than undergraduates.

The analysis concludes that peer assessment can be effective across a wide range of subject areas, education levels, and assessment types.

 

Source (Open Access): Double, K. S., McGrane, J. A., & Hopfenbeck, T. N. (2019). The impact of peer assessment on academic performance: A meta-analysis of control group studies. Educational Psychology Review. Advanced Online Publication: Doi: 10.1007/s10648-019-09510-3

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