中国学者在大顶刊AER的成果：学渣和学霸同桌既能改善学渣的成绩，还能让双方性格更好？
2023/7/27 17:03:13 阅读：46 发布者：
内容提要
本文作者关注了在中国的小学中将以前成绩优秀的学生（ “学霸”）和成绩较差的学生（“学渣”）随机配对成为同桌这一“同伴教育干预措施”的效果。研究发现，这一“同伴教育干预措施”不仅提高了“学渣”的数学成绩，还使得“学霸”和“学渣”的性格均变得更加外向、合群，说明同伴能影响人格特质。
原文摘要
We estimate the effects of an educational peer intervention in which previously high- and low-achieving students are randomly paired as deskmates in elementary schools in China. Our treatment boosts the mathematics scores of the low-achieving students. Moreover, the treatment enhances the extraversion and agreeableness of high- and low-achieving students, thereby providing evidence that peers can influence personality traits. The positive treatment effects can be attributed to the deskmate-level peer effects. We document friend network structure changes and present additional evidence on how friendship ties help us better understand the mechanisms behind peer effects.
原文信息：
Wu J, Zhang J, Wang C. Student performance, peer effects, and friend networks: Evidence from a randomized peer intervention[J]. American Economic Journal: Economic Policy, 2023, 15(1): 510-542.
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