Stern, Elsbeth Center for Educational Research, Max Planck Institute for Human Development, Max Planck Society;
Meiser, T., Stern, E., & Langeheine, R. (1999). Latent change in discrete data: Unidimensional, multidimensional, and mixture distribution Rasch models for the analysis of repeated observations. Methods of Psychological Research Online, 3(2), 75-93.