Peer assessment enhances student learning
Dennis L. Sun, Naftali Harris, Guenther Walther, Michael Baiocchi

TL;DR
This study demonstrates that peer assessment not only provides scalable personalized feedback in large classes but also significantly improves student achievement, confirmed through a carefully designed online randomized trial.
Contribution
It provides empirical evidence that peer assessment enhances learning and showcases the potential of online platforms for high-quality educational experiments.
Findings
Peer assessment causes significant gains in student achievement.
Online tools enable high-quality, scalable educational experiments.
Peer assessment offers a scalable alternative to instructor feedback in large classes.
Abstract
Feedback has a powerful influence on learning, but it is also expensive to provide. In large classes, it may even be impossible for instructors to provide individualized feedback. Peer assessment has received attention lately as a way of providing personalized feedback that scales to large classes. Besides these obvious benefits, some researchers have also conjectured that students learn by peer assessing, although no studies have ever conclusively demonstrated this effect. By conducting a randomized controlled trial in an introductory statistics class, we provide evidence that peer assessment causes significant gains in student achievement. The strength of our conclusions depends critically on the careful design of the experiment, which was made possible by a web-based platform that we developed. Hence, our study is also a proof of concept of the high-quality experiments that are…
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Taxonomy
TopicsStatistics Education and Methodologies · Innovations in Educational Methods · Student Assessment and Feedback
