cp.bib

@article{koedinger1997intelligent,
  title={Intelligent tutoring goes to school in the big city},
  author={Koedinger, Kenneth R and Anderson, John R and Hadley, William H and Mark, Mary A},
  year={1997},
  publisher={IOS Press}
}

@inproceedings{corbett1992student,
  title={Student modeling and mastery learning in a computer-based programming tutor},
  author={Corbett, Albert T and Anderson, John R},
  booktitle={International conference on intelligent tutoring systems},
  pages={413--420},
  year={1992},
  organization={Springer}
}

@article{corbett2001cognitive,
  title={Cognitive computer tutors: Solving the two-sigma problem},
  author={Corbett, Albert},
  journal={User Modeling 2001},
  pages={137--147},
  year={2001},
  publisher={Springer}
}

@book{wenger2014artificial,
  title={Artificial intelligence and tutoring systems: computational and cognitive approaches to the communication of knowledge},
  author={Wenger, Etienne},
  year={2014},
  publisher={Morgan Kaufmann}
}


@inproceedings{sales2016student,
  title={Student Usage Predicts Treatment Effect Heterogeneity in the Cognitive Tutor Algebra I Program.},
  author={Sales, Adam and Wilks, Asa and Pane, John},
  booktitle={Proceedings of the 9th International Conference on Educational Data Mining. International Educational Data Mining Society},
  pages={207--214},
  year={2016}
}

@inproceedings{sales2015exploring,
  title={Exploring causal mechanisms in a randomized effectiveness trial of the cognitive tutor},
  author={Sales, Adam C and Pane, John F},
  booktitle={Proceedings of the 8th International Conference on Educational Data Mining. International Educational Data Mining Society},
  year={2015}
}

@article{sales2017role,
  title={The Role of Mastery Learning in Intelligent Tutoring Systems: Principal Stratification on a Latent Variable},
  author={Sales, Adam C and Pane, John F},
  journal={arXiv preprint arXiv:1707.09308},
  year={2017}
}

@article{hhh,
  title={The Sensitivity of Linear Regression Coefficients' Confidence Limits to the Omission of a Confounder},
  author={Hosman, Carrie A and Hansen, Ben B and Holland, Paul W},
  journal={The Annals of Applied Statistics},
  pages={849--870},
  year={2010},
  publisher={JSTOR}
}