TY  - RPRT
TI  - Artifacts in criterion-reference learning curves.
AU  - K J HAYES
AU  - A C PEREBOOM
PY  - 1959
DO  - 10.1037/h0046196
UR  - https://pubmed.ncbi.nlm.nih.gov/13645848/
ID  - 13645848
ER  -