Anumendem, Nkafu; Fraine, Bieke De; Onghena, Patrick; … - In: Quality & Quantity: International Journal of Methodology 47 (2013) 2, pp. 1021-1040
Multilevel growth curve models are becoming invaluable in educational research because they model changes in student outcomes efficiently. The coding of the time variable in these models plays a crucial role as illustrated in this study for the case of a three-level quadratic growth curve model....
