We recently wrote an article for eLearning Industries that outlined three ways in which Certainty Based Marking (CBM) improves employee assessment. CBM expert Tony Gardner-Medwin from University College London responded to the article with an interesting and very valid comment, pointing out that the points scale shown in our article isn’t necessarily ideal for CBM to be effective. We agree with Tony, so we thought we’d pen a piece explaining how Wranx awards points for CBM!
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The points scale shown in our article is as follows:
Correct answer, high certainty – 20 points. Correct answer, medium certainty – 15 points. Correct answer, low certainty – 12 points. Incorrect answer, low certainty – 8 points. Incorrect answer, medium certainty – 5 points. Incorrect answer, high certainty – 0 points.
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