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Boevé, Anja J.; Meijer, Rob R.; Beldhuis, Hans J. A.; Bosker, Roel J.; Albers, Casper J. – Educational Measurement: Issues and Practice, 2019
To investigate the effect of innovations in the teaching-learning environment, researchers often compare study results from different cohorts across years. However, variance in scores can be attributed to both random fluctuation and systematic changes due to the innovation, complicating cohort comparisons. In the present study, we illustrate how…
Descriptors: Grades (Scholastic), Foreign Countries, Teaching Methods, Educational Innovation