Authors: Boom, J Brugman, D van der Heijden, PGM

Citation: J. Boom et al., Hierarchical structure of moral stages assessed by a sorting task, CHILD DEV, 72(2), 2001, pp. 535-548

Authors: van der Heijden, PGM van Gils, G Bouts, J Hox, JJ

Citation: Pgm. Van Der Heijden et al., A comparison of randomized response, computer-assisted self-interview, andface-to-face direct questioning - Eliciting sensitive information in the context of welfare and unemployment benefit, SOCIOL METH, 28(4), 2000, pp. 505-537

Authors: van der Ark, LA van der Heijden, PGM Sikkel, D

Citation: La. Van Der Ark et al., On the identifiability in the latent budget model, J CLASSIF, 16(1), 1999, pp. 117-137

Authors: van der Heijden, PGM Gilula, Z van der Ark, LA

Citation: Pgm. Van Der Heijden et al., An extended study into the relations hip between correspondence analysis and latent class analysis, SOCIOL MET, 29, 1999, pp. 147-186