Refitting the individual Additive Factors Model with different rules for including student practice observations shows learning-rate variation estimates inflate by a median of 118% or more while initial-knowledge variation remains approximately stable.
Fitts and Michael I
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Revisiting the Regularity of Student Learning Rate: Sensitivity to Which Observations Are Included
Refitting the individual Additive Factors Model with different rules for including student practice observations shows learning-rate variation estimates inflate by a median of 118% or more while initial-knowledge variation remains approximately stable.