Evaluating Student Models. - Nwaigwe, Adaeze (2014)

The Simple Location Heuristic is Better at Predicting Students' Changes in Error Rate Over Time Compared to the Simple Temporal Heuristic. - Nwaigwe, Adaeze; Koedinger, Kenneth R. (2011)

Exploring Alternative Methods for Error Attribution in Learning Curves Analysis in Intelligent Tutoring Systems. - Nwaigwe, Adaeze; Koedinger, Kenneth R.; VanLehn, Kurt; Hausmann, Robert G. M.; Weinstein, Anders (2007)

What's in a Step? Toward General, Abstract Representations of Tutoring System Log Data. - VanLehn, Kurt; Koedinger, Kenneth R.; Skogsholm, Alida; Nwaigwe, Adaeze; Hausmann, Robert G. M.; Weinstein, Anders; Billings, Benjamin (2007)