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The benefits of giving feedback: investigating patterns of student exchanges over the PeerWise system Alison Kay and Judy Hardy. Implementation of PeerWise. Comment coding. Comments examples. Which activity is most strongly associated with exam performance?. DV : Exam score

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The benefits of giving feedback: investigating patterns of student exchanges over the PeerWisesystemAlisonKay and Judy Hardy

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Which activity is most strongly associated with exam performance?

DV: Exam score

IV: Number of answers or comments made

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Example: Physics 1A 2012-13

Is writing quality comments associated with higher exam performance when controlling for other factors?

Dependent Variable:Exam score

Independent Variables: No. comments coded > 4

Pre-test mark (FCI)

Scottish

Major

Gender

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Building the model

The model predicts that each new high quality comment, is associated with a 0.35% increase in exam score.

The minimum 6 comments associated with a 2% increase .

The mean of 14 comments associated with a 5% increase.

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Conclusions

Total engagement with PeerWise far exceeded minimum requirements

Across all disciplines, writing meaningful comments has a significant, positive association with exam performance when controlling for other known influential factors

Especially interesting given that PeerWise requires minimal instructor intervention; that PeerWise is only worth ~4% of the total course mark; and that providing feedback is only one aspect of the PeerWise assessment

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