TY - RPRT TI - Exploring item and higher order factor structure with the Schmid-Leiman solution: syntax codes for SPSS and SAS. AU - Hans-Georg Wolff AU - Katja Preising PY - 2005 DO - 10.3758/bf03206397 UR - https://pubmed.ncbi.nlm.nih.gov/16097343/ ID - 16097343 ER -