Analyzing Fine-Grained Skill Models Using Bayesian and Mixed Effects Methods. - Zachary A. Pardos; Mingyu Feng; Neil T. Heffernan; Cristina Linquist-Heffernan (AIED, 2007)

The Effect of Model Granularity on Student Performance Prediction Using Bayesian Networks. - Zachary A. Pardos; Neil T. Heffernan; Brigham S. Anderson; Cristina Linquist-Heffernan (User Modeling, 2007)

Using Mixed-Effects Modeling to Analyze Different Grain-Sized Skill Models in an Intelligent Tutoring System. - Mingyu Feng; Neil T. Heffernan; Cristina Linquist-Heffernan; Murali Mani (IEEE Trans. Learn. Technol., 2009)

Feedback during Web-Based Homework: The Role of Hints. - Ravi Singh; Muhammad Saleem 003; Prabodha Pradhan; Cristina Heffernan; Neil T. Heffernan; Leena M. Razzaq; Matthew D. Dailey; Cristine O'Connor; Courtney Mulcahy (AIED, 2011)

Comparing of Traditional Assessment with Dynamic Testing in a Tutoring System. - Mingyu Feng; Neil T. Heffernan; Zachary A. Pardos; Cristina Heffernan (EDM, 2011)

Estimating the Effect of Web-Based Homework. - Kim M. Kelly; Neil T. Heffernan; Cristina Heffernan; Susan R. Goldman; James Pellegrino; Deena Soffer Goldstein (AIED, 2013)

The ASSISTments Ecosystem: Building a Platform that Brings Scientists and Teachers Together for Minimally Invasive Research on Human Learning and Teaching. - Neil T. Heffernan; Cristina Linquist-Heffernan (Int. J. Artif. Intell. Educ., 2014)

Population validity for educational data mining models: A case study in affect detection. - Jaclyn Ocumpaugh; Ryan Shaun Baker; Sujith M. Gowda; Neil T. Heffernan; Cristina Heffernan (Br. J. Educ. Technol., 2014)

Blocking Vs. Interleaving: Examining Single-Session Effects Within Middle School Math Homework. - Korinn Ostrow; Neil T. Heffernan; Cristina Heffernan; Zoe Peterson (AIED, 2015)

Towards better affect detectors: effect of missing skills, class features and common wrong answers. - Yutao Wang; Neil T. Heffernan; Cristina Heffernan (LAK, 2015)

Modeling Wheel-spinning and Productive Persistence in Skill Builders. - Shimin Kai; Ma. Victoria Almeda; Ryan S. Baker 001; Nicole Shechtman; Cristina Heffernan; Neil T. Heffernan (EDM, 2017)

Feedback Design Patterns for Math Online Learning Systems. - Paul Salvador Inventado; Peter Scupelli; Cristina Heffernan; Neil T. Heffernan (EuroPLoP, 2017)

Guidance counselor reports of the ASSISTments college prediction model (ACPM). - Jaclyn Ocumpaugh; Ryan S. Baker 001; Maria Ofelia Clarissa Z. San Pedro; M. Aaron Hawn; Cristina Heffernan; Neil T. Heffernan; Stefan A. Slater (LAK, 2017)

Implementing and Evaluating ASSISTments Online Math Homework Support At large Scale over Two Years: Findings and Lessons Learned. - Mingyu Feng; Neil T. Heffernan; Kelly Collins; Cristina Heffernan; Robert F. Murphy (AIED, 2023)

How Common are Common Wrong Answers? Crowdsourcing Remediation at Scale. - Ashish Gurung; Sami Baral; Morgan P. Lee; Adam C. Sales; Aaron Haim; Kirk P. Vanacore; Andrew A. McReynolds; Hilary Kreisberg; Cristina Heffernan; Neil T. Heffernan (L@S, 2023)