TY - RPRT TI - Differentiating practice effects and statistical regression on the Conners Hyperkinesis Index. AU - R Milich AU - M A Roberts AU - J Loney AU - J Caputo PY - 1980 DO - 10.1007/bf00916506 UR - https://pubmed.ncbi.nlm.nih.gov/7462532/ ID - 7462532 ER -