Table 1.

Description of Amplifire Metrics

CHM: A learner answered confidently and incorrectly the first time presented with the question

Significant struggle: Learner answered incorrectly or with uncertainty at least twice before mastering the question (1+ nonprogress attempts)

Mastery: A learner answered confidently and correctly the first time presented with the question

Each metric can be summarized at the learner level (eg, the proportion of questions answered by an individual learner that fulfilled metric criteria) and the question level (eg, the proportion of learners for an individual question that fulfilled metric criteria).