Skill Set Profile Clustering Based on Weighted Student Responses. - Elizabeth Ayers; Rebecca Nugent; Nema Dean (EDM, 2008)

A Comparison of Student Skill Knowledge Estimates. - Elizabeth Ayers; Rebecca Nugent; Nema Dean (EDM, 2009)

Subspace Clustering of Skill Mastery: Identifying Skills that Separate Students. - Rebecca Nugent; Elizabeth Ayers; Nema Dean (EDM, 2009)

Skill Set Profile Clustering: The Empty K-Means Algorithm with Automatic Specification of Starting Cluster Centers. - Rebecca Nugent; Nema Dean; Elizabeth Ayers (EDM, 2010)

Incorporating Student Covariates in Cognitive Diagnosis Models. - Elizabeth Ayers; Sophia Rabe-Hesketh; Rebecca Nugent (J. Classif., 2013)