%0 Journal Article %T Performance Modeling That Integrates Latent Trait and Class Theory %A Gitomer, Drew H. %A Yamamoto, Kentaro %J Journal of Educational Measurement %V 28 %N 2 %@ 0022-0655 %D 1991-06-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve