Teaching performance can be assessed validly only if the assessment involves an appropriate, authentic representation of real-life teaching practices. Different skills interact in coordinating teachers' actions in different classroom situations. Based on the evidence-centered design model, we developed a technology-based assessment framework that…

In this article we present results of a Differential Item Functioning (DIF) study using Shealy and Stout's (1993) multidimensionality-based DIF analysis framework. In this framework, differences in test score distributions across different groups of examinees may be a result of multidimensionality if secondary dimensions (not the primary dimension…