Lernzuwachs, learning gain, knowledge gain, pre-post assessment, Prä-Post-Testung, effectsize, Effektstärke, ANOVA, ANCOVA, MANOVA, MANCOVA, Einfaktorielle Varianzanalyse, Zweifaktorielle Varianzanalyse, ggplot2, Bonferroni-Korrektur, Fehler 1. Art, within-subjects, between-subjects
Probabilistische Testtheorie, Item-Response-Theory, IRT, Raschanalyse, classical testtheory, Person-Item-Map, PI-Map, eRm, extended Rasch modeling, Rating-Scale-Model, Waldtest, Personenparameter, Partial Credit Model, Itemschwierigkeit, item-difficulty, Fox & Bond