This is the ASSISTment data that gathered in the school year 2009~2010. The skill builder data is provided.

Skill builder data is also called mastery learning data. This dataset is from skill builder (mastery learning) problem sets, in which a student is considered mastered a skill when meeting certain criterion (normally set to answered 3 questions correctly in a row), and no more questions will be given after mastery.

Dataset Files

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[1] Shun Mao, "Assistment2009", IEEE Dataport, 2024. [Online]. Available: Accessed: May. 22, 2024.
doi = {10.21227/k80b-0n66},
url = {},
author = {Shun Mao },
publisher = {IEEE Dataport},
title = {Assistment2009},
year = {2024} }
T1 - Assistment2009
AU - Shun Mao
PY - 2024
PB - IEEE Dataport
UR - 10.21227/k80b-0n66
ER -
Shun Mao. (2024). Assistment2009. IEEE Dataport.
Shun Mao, 2024. Assistment2009. Available at:
Shun Mao. (2024). "Assistment2009." Web.
1. Shun Mao. Assistment2009 [Internet]. IEEE Dataport; 2024. Available from :
Shun Mao. "Assistment2009." doi: 10.21227/k80b-0n66