TY - RPRT TI - Analysing multitrait-multimethod data with structural equation models for ordinal variables applying the WLSMV estimator: what sample size is needed for valid results? AU - Fridtjof W Nussbeck AU - Michael Eid AU - Tanja Lischetzke PY - 2006 DO - 10.1348/000711005x67490 UR - https://pubmed.ncbi.nlm.nih.gov/16709286/ ID - 16709286 ER -