TY  - RPRT
TI  - A statistics primer. Validity and reliability.
AU  - M L Greenfield
AU  - J E Kuhn
AU  - E M Wojtys
DO  - 10.1177/03635465980260032401
UR  - https://pubmed.ncbi.nlm.nih.gov/9617417/
ID  - 9617417
ER  -