Students with and without learning disabilities often struggle to learn a foreign language (FL). Teachers could benefit from a measure designed to screen and identify students at risk for FL learning difficulties. In this study, we examined the reliability and validity of scores from four curriculum-based measures (CBM) as potential indicators of…

Extreme linkings are performed in settings in which neither equivalent groups nor anchor material is available to link scores on two assessments. Examples of extreme linkages include links between scores on tests administered in different languages or between scores on tests administered across disability groups. The strength of interpretation…

The articles in this special issue make two important contributions to our understanding of the impact of accommodations on test score validity. First, they illustrate a variety of methods for collection and rigorous analyses of empirical data that can supplant expert judgment of the impact of accommodations. These methods range from internal…