家长可以从这项研究中了解什么
The useful question is not only whether feedback exists, but whether it gives information the learner can use.
这项研究发现了什么
A large meta-analysis found an overall positive effect of educational feedback, with effects varying substantially by feedback type and context.
完整引用
Benedikt Wisniewski, Klaus Zierer & John Hattie (2020). The power of feedback revisited: a meta-analysis of educational feedback research. Frontiers in Psychology. DOI: 10.3389/fpsyg.2019.03087.
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