Several game metrics can be used to assess learing and skill acquisition. These may include time spent on an item, navigation for reference, decisions, number of attempts, or even biometric data. Epistemic Network Analysis (ENA) is effective at measuring the competency trajectory using the first four of these items. Biometric data can be collected through electronic collection of changes in the face, skin, heat, and brain.
Both of these measures seem to be somewhat beyond the abilities of most small instructional design operations, although e-learning development applications and LMSs may be able to provide reporting on scores, attempts, and screens… >>>