TY  - RPRT
TI  - Examining item difficulty and response time on perceptual ability test items.
AU  - Chien-Lin Yang
AU  - Thomas R O'Neill
AU  - Gene A Kramer
PY  - 2002
UR  - https://pubmed.ncbi.nlm.nih.gov/12147914/
ID  - 12147914
ER  -