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…

Evidence suggests that executive function (EF) may be a potent and malleable predictor of academic achievement in children. Schools may be able to use this predictive power if researchers develop EF measures that not only have ecological and construct validity, but also are also efficient and affordable. To this end, Garcia-Barrera and colleagues…

Using a fifth-grade sample, the revised Self Description Questionnaire was investigated. Confirmatory factor analysis showed the factor structure invariant across the respondants' gender. Sex difference in self-concept areas and academic achievement were explored. A new internal/external frame of reference model was proposed. (Author/BS)