Philip Pavlik, Hao Cen, Lili Wu, Kenneth R. Koedinger. Using Item-type Performance Covariance to Improve the Skill Model of an Existing Tutor. In Ryan Shaun Joazeiro de Baker, Tiffany Barnes, Joseph E. Beck, editors, Educational Data Mining 2008, The 1st International Conference on Educational Data Mining, Montreal, Québec, Canada, June 20-21, 2008. Proceedings. pages 77-86, www.educationaldatamining.org, 2008. [doi]
@inproceedings{PavlikCWK08,
title = {Using Item-type Performance Covariance to Improve the Skill Model of an Existing Tutor},
author = {Philip Pavlik and Hao Cen and Lili Wu and Kenneth R. Koedinger},
year = {2008},
url = {http://www.educationaldatamining.org/EDM2008/uploads/proc/8_Pavlik_24.pdf},
researchr = {https://researchr.org/publication/PavlikCWK08},
cites = {0},
citedby = {0},
pages = {77-86},
booktitle = {Educational Data Mining 2008, The 1st International Conference on Educational Data Mining, Montreal, Québec, Canada, June 20-21, 2008. Proceedings},
editor = {Ryan Shaun Joazeiro de Baker and Tiffany Barnes and Joseph E. Beck},
publisher = {www.educationaldatamining.org},
}