Feng, M., Heffernan, N.T., & Koedinger, K.R. (2009). Addressing the assessment challenge in an Intelligent Tutoring System that tutors as it assesses. The Journal of User Modeling and User-Adapted Interaction, 19, 243-266. See more about this article here.
Here is the data.
one row per student
Year of ASSISTments usage: 2004-2005 (DA0405.txt) and 2005-2006 (DA0506.txt)
columns:
stu_id: student ID
original_count: number of main problems done in static condition
%correct: %correct on main problems in static condition
MCAS: MCAS score
DA_original_count: number of main problems done in dynamic condition
DA_original_%correct: %correct on main problems in dynamic condition
DA_scaf_%correct: %correct on scaffolding questions in dynamic condition
DA_avg_time: average number of seconds spent on each question (main or scaffold) in dynamic condition
DA_avg_attempt: average number of attempt made on each question (main or scaffold) in dynamic condition
DA_avg_hint: average number of hints requested for each question (main or scaffold) in dynamic condition