Disengaged responding poses a severe threat to the validity of educational large-scale assessments, because item responses from unmotivated test-takers do not reflect their actual ability. Existing identification approaches rely primarily on item response times, which bears the risk of misclassifying fast engaged or slow disengaged responses.…

In 2015, the "Programme for International Student Assessment" (PISA) introduced multiple changes in its study design, the most extensive being the transition from paper- to computer-based assessment. We investigated the differences between German students' text responses to eight reading items from the paper-based study in 2012 to text…

If children fail to understand test instructions, measurements of their competence may be unfair and invalid. This is especially relevant for students with special educational needs (SEN) because they face greater challenges in comprehending instructions. Two interventions were designed to facilitate the comprehension of test requirements by…