This issue's featured article, "Assessment and Learning: Fields Apart" (Baird, Andrich, Hopfenbeck, and Stobart 2017) raises issues that are of basic importance for the disciplines of assessment and teaching and learning theory. In this commentary, Alex Scharaschkin restricts his remarks to a few areas. He considers the idea of a…

Research on the test structure of the Force Concept Inventory (FCI) has largely ignored gender, and research on FCI gender effects (often reported as "gender gaps") has seldom interrogated the structure of the test. These rarely crossed streams of research leave open the possibility that the FCI may not be structurally valid across…

The idea that validity should be considered a property of inferences, rather than of assessments, has developed slowly over the past century. In early writings about the validity of educational assessments, validity was defined as a property of an assessment. The most common definition was that an assessment was valid to the extent that it…

Fifty education majors in two sections responded to an Attitudes toward Mathematics and Its Teaching (ATMAT) scale. Results with two psychometric models, classical true-score theory and the one-parameter Rasch model, supported the ATMAT's reliability, content and construct validity, and invariance over three time points. (SLD)