Papers

2009

• Ayers, E, Nugent, R, Dean, N. "A Comparison of Student Skill Knowledge Estimates." Educational Data Mining 2009: International Conference on Educational Data Mining, Proceedings (refereed). Accepted, May 2009. pdf
  
  
  
• Nugent, R, Ayers, E, Dean, N. "Conditional Subspace Clustering of Skill Mastery Information: Identifying Skills that Separate Students." Educational Data Mining 2009: International Conference on Educational Data Mining, Proceedings (refereed). Accepted, May 2009. pdf
  

2008

• Ayers, E. and Junker, B.W. (2008). IRT Modeling of Tutor Performance To Predict End-of-year Exam Scores. Educational and Psychological Measurement, 68, 972-987.pdf
  
  
• Ayers, E., Nugent, R., and Dean, N. (2008). Skill Set Profile Clustering Based on Student Capability Vectors Computed From Online Tutoring Data. In Baker & Beck (Eds.). Proceedings of the 1st International Conference on Education Data Mining. pp.218-225. Montreal 2008. pdf
  
  

2007

• Ayers, E. and Junker, B.W. (2007). IRT Modeling of Tutor Performance To Predict End-of-year Exam Scores. Technical Report 859, Department of Statistics, Carnegie Mellon University.pdf
  
  

2006

• Ayers, E., and Junker B. W. (2006). Do skills combine additively to predict task difficulty in eighth grade mathematics? In Beck, J., Aimeur, E., & Barnes, T. (Eds). Educational Data Mining: Papers from the AAAI Workshop. Menlo Park, CA: AAAI Press. pp. 14-20. Technical Report WS-06-05.pdf
  
  

Presentations

2009

• Joint Statistical Meetings, August 2009
  Talk: Conditional Subspace Clustering of Skill Mastery Information pdf
  
  
• International Meeting of the Psychometric Society, July 2009
  Talk: A Comparison of Student Skill Knowledge Estimates pdf
  
  
• Educational Data Mining, July 2009
  Talk: A Comparison of Student Skill Knowledge Estimates pdf
  
  
• Educational Data Mining, July 2009
  Talk: Conditional Subspace Clustering of Skill Mastery Information: Identifying Skills that Separate Students pdf
  
  
• Joint Meetings of the Classification Society (of North America) and the Interface Society, June 2009
  Invited Talk: Conditional Subspace Clusteirng of Skill Mastery pdf
  
  
• Institute of Educational Science Research Conference, June 2009
  Student Poster Session:Idendifying Skills that Separate Students ppt
  
  
• R Nugent, E Ayers, H Wang, M Phy, K Nugent. "Analysis of Content Mastery on the Internal Medicine In-Training Examinations". Journal of Investigative Medicine, Vol. 57, Abstract 414, 2009.
  
  

2008

• Educational Data Mining Conference, June 2008
  Student Poster Session: Skill Set Profile Clustering Based on Stuent Capability Vectors ppt
  
  
• Institute of Educational Science Research Conference, June 2008
  Student Poster Session: Skill Set Profile Clustering Based on Weighted Student Responses ppt
  
  
• Classification Society of North America Annual Conference, June 2008
  Invited Talk: Visualizing and Clustering Students' Skill Sets in a Unit Hyper-cube.pdf
  
  
• American Statistical Association, Pittsburgh Chapter Banquet, March 2008
  Student Poster Session: Skill Set Clustering Based on Weighted Student Responses
  

2007

• Institute of Educational Science Research Conference, June 2007
  Student Poster Session: IRT Modeling of Tutor Performance to Predict End-of-Year Exam Scores ppt
  
  
• American Statistical Association, Pittsburgh Chapter Banquet, March 2007
  Student Poster Session: IRT Modeling of Tutor Performance to Predict End-of-Year Exam Scores
  

2006

• AAAI Educational Data Mining Conference, July 2006
  Talk: Predicting End-of-Year Exam Scores: Do Skills Combine Additively to Predict Question Difficulty pdf
  
  
• American Statistical Association, Pittsburgh Chapter Banquet, March 2006
  Student Poster Session: MCAS Exam Prediction Models Using The On-line Assistment Tutor