TY  - RPRT
TI  - Using structural equation modeling to detect response shifts and true change.
AU  - Frans J Oort
PY  - 2005
DO  - 10.1007/s11136-004-0830-y
UR  - https://pubmed.ncbi.nlm.nih.gov/16022054/
ID  - 16022054
ER  -