Mach-IV: Evidence of Structural, Discriminant and Predictive Validity with Argentinian Students

Structural Validity of the WISC-IV for Students With Learning Disabilities.

The structural validity of the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) was evaluated using confirmatory factor analysis for a clinical sample of 1,537 students diagnosed with specific learning disabilities (SLD) by school psychologists in two large southwestern school districts. Results indicated that a bifactor model consisting of four first-order domain specific fact...

Epistemic curiosity and related constructs: Lacking evidence of discriminant validity

Epistemic curiosity, the ‘‘desire for knowledge that motivates individuals to learn new ideas, eliminate information-gaps, and solve intellectual problems” (Litman, 2008), has been identified as a crucial variable in different areas and stages of life. However, several constructs have been proposed that might be highly similar regarding construct domain, but are based on different theoretical p...

Estimating and Evaluating Convergent and Discriminant Validity Evidence

The revised UCLA Loneliness Scale: concurrent and discriminant validity evidence.

The development of an adequate assessment instrument is a necessary prerequisite for social psychological research on loneliness. Two studies provide methodological refinement in the measurement of loneliness. Study 1 presents a revised version of the self-report UCLA (University of California, Los Angeles) Loneliness Scale, designed to counter the possible effects of response bias in the origi...

Convergent and Discriminant Validity