This paper concentrates on the trends in peer-reviewed longitudinal panel studies under scientific direction. Household panel studies have succeeded in broadening their disciplinary scope. Numerous innovations such as questions dealing with psychological concepts, and age-specific topical...

International vergleichende Schulleistungsuntersuchungen wie das Programme for International Student Assessment (PISA) der Organisation for Economic Cooperation and Development (OECD), Trends in International Mathematics and Science Study (TIMSS) oder die Internationale...