The present study examined the factor structure of the Differential Ability Scales--Second Edition (DAS-II) core subtests from the standardization sample via confirmatory factor analysis (CFA) using methods (bifactor modeling and variance partitioning) and procedures (robust model estimation due to nonnormal subtest score distributions)…

The "About Me" Questionnaire (AMQ) has been used to measure components of social identity, academic self-concept and self-worth in children and adolescents in the United Kingdom and abroad. Studies have reported simple reliability statistics but a comprehensive assessment of the scale's psychometric properties has not been conducted.…

The increasing diversity of the U.S. population has resulted in increased concerns about the psychological assessment of students from culturally and linguistically diverse backgrounds. To date, little empirical research supports recommendations in test selection and interpretation, such as those presented in the Culture-Language Interpretative…

Individually administered tests are often normed on small samples, a process that may result in irregularities within and across various age or grade distributions. Test users often smooth distributions guided by Thurstone assumptions (normality and linearity) to result in norms that adhere to assumptions made about how the data should look. Test…

The fifth edition of the Stanford-Binet test went through significant reformulation of its item content, administration format, standardization procedures, and theoretical structure. Additionally, the test was revised to measure five factors important to intelligence across both verbal and nonverbal domains. To better understand these substantial…