Examines item-response theory (IRT), which seeks to model the way in which latent psychological constructs manifest themselves in terms of observable item responses. Provides an overview of the most popular IRT models and contrasts them with the techniques used in classical test theory. Results highlight several IRT advantages. (Author/GCP)

Each student comes to class with certain learning experiences, expectations, and needs that have to be addressed, and to which instructors need to be sensitive, to maximize the students' learning experiences. However, because of the unknown make-up of online classes, the characteristics of online students may be unclear, making it difficult to…