TY  - RPRT
TI  - Feedback improves performance: validating a first principle.
AU  - Linda L Blank
AU  - Jordan J Cohen
PY  - 2007
DO  - 10.1001/archpedi.161.1.103
UR  - https://pubmed.ncbi.nlm.nih.gov/17199075/
ID  - 17199075
ER  -