cb65b519_elp___Reports___Learning_Curve__Description
[Measure] Correct Step Duration [Description] 
The step duration if the first attempt for the step was correct. The duration of time for which students are "silent", with respect to their interaction with the tutor, before they complete the step correctly. This is often called "reaction time" (on correct trials) in the psychology literature. If the first attempt is an error (incorrect attempt or hint request), the observation is dropped.
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Description