Mandel, Philipp; Süssmuth, Bernd - 2011
Using pooled data on instructional time and student performance by subject, our study finds evidence for the school … learning being a cumulative process by relying on rather poor proxies for instructional time. Highschool ninth graders from the …-instructional time measured in cumulated form from first up to ninth grade. Besides total instructional time exposure, we identify eight …