Oberski, Daniel L.; Saris, Willem E.; Hagenaars, Jacques A.(2009-08-18)
The European Social Survey (ESS) has the unique characteristic that in more than 20 countries the same questions are asked and that within each round of the ESS Multitrait-Multimethod (MTMM) experiments are built in to ...
Oberski, Daniel L.; Hagenaars, Jacques A.; Saris, Willem E.(2009-12-17)
The present paper suggests a statistical method, the latent class MTMM model, of estimating the quality of single questions while making fewer assumptions than have been made so far in such evaluations. The method is a ...
