What does one know and not know?

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Science  21 Aug 2015:
Vol. 349, Issue 6250, pp. 839-840
DOI: 10.1126/science.349.6250.839-g

To demonstrate understanding, students need to answer questions correctly, as well as understand why those answers are correct. Lindsey and Nagel examine this metacognition, specifically students' ability to differentiate between questions for which they know the answer and questions that they cannot correctly answer. A knowledge survey mimicking a final exam was used to collect student data. Analysis at the level of students' overall scores showed that students in the lower third of the class misjudged their abilities, whereas students in the top third were better calibrated. However, at the level of individual questions, there was no difference between student level and the ability to identify questions they could answer correctly, suggesting that students at all levels could benefit from metacognitive awareness training.

Phys. Rev. 10.1103/physrevstper.11.020103 (2015).

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