Collaborative problem-solving competence (CPSC) is a core skill in the twenty-first century. As an innovative literacy, CPSC was assessed for the first time in the Program for International Student Assessment (PISA) 2015. Our study aims to identify the effects of student's perceptions toward interpersonal relationships on CPSC in PISA 2015.…

In large-scale assessments, performance differences across different groups are regularly found. These group differences (e.g., gender differences) are often relevant for educational policy decisions and measures. However, the formation of these group differences usually remains unclear. We propose an approach for investigating this formation by…