TY  - RPRT
TI  - Pretest-posttest comparison group designs: analysis and interpretation.
AU  - Jeffery A Gliner
AU  - George A Morgan
AU  - Robert J Harmon
PY  - 2003
DO  - 10.1097/01.chi.0000046809.95464.be
UR  - https://pubmed.ncbi.nlm.nih.gov/12649639/
ID  - 12649639
ER  -