To promote our theoretical understanding regarding the exploration process during adulthood, the current study focusses on this process as it relates to work and family life roles and the relations between them, during the transition to motherhood. Two instruments assessing vocational and maternal exploration, relating to self and environment…

This article contains two measurement development studies on writing apprehension. Study 1 reexamines the validity of the writing apprehension measure based on the finding from prior research that a second false factor was embedded. The findings from Study 1 support the validity of a reduced measure with 6 items versus the original 20-item…

The Rasch model, a member of a larger group of models within item response theory, is widely used in empirical studies. Detection of uniform differential item functioning (DIF) within the Rasch model typically employs null hypothesis testing with a concomitant consideration of effect size (e.g., signed area [SA]). Parametric equivalence between…

DIMTEST is a nonparametric hypothesis-testing procedure designed to test the assumptions of a unidimensional and locally independent item response theory model. Several previous Monte Carlo studies have found that using linear factor analysis to select the assessment subtest for DIMTEST results in a moderate to severe loss of power when the exam…