Objectives: Measure modification can impact comparability of scores across groups and
settings. Changes in items can affect the percent admitting to a symptom. Methods: Using …

Several methods used to examine differential item functioning (DIF) in Patient-Reported
Outcomes Measurement Information System (PROMIS®) measures are presented, including …

A practical concern for many existing tests is that subscore test lengths are too short to
provide reliable and meaningful measurement. A possible method of improving the subscale …

Naturwissenschaftliches Problemlosen ist eine der zentralen Kompetenzen, die
Schulerinnen und Schuler im Laufe der Schulzeit erwerben sollen. Bislang liegen jedoch …

Although many large-scale, high-stakes assessments are transitioning from traditional paper-
and-pencil tests to computer-based tests, some of these assessments are still offering both …