[IPAC-List] Paradox in the 1999 APA Standards

Joel Wiesen jwiesen at appliedpersonnelresearch.com
Thu May 27 19:09:50 EDT 2010

A paradox that is seen in selection applications is described in the APA
Standards as follows:

"... a given selection score and criterion threshold will often result
in proportionately more false negative decisions in groups with lower
mean test scores. In other words, a lower-scoring group will usually
have a higher proportion of examinees who are rejected on the basis of
their test scores even though they would have performed successfully if
they had been selected. This seeming paradox is a statistical
consequence of the imperfect correlation between test and criterion."
(AERA, APA, NCME, 1999, page 79, col 2.)

The Standards do not provide a literature citation for this statement.
Can anyone point me to published literature on this topic?



Joel P. Wiesen, Ph.D., Director
Applied Personnel Research
62 Candlewood Road
Scarsdale, NY 10583-6040
(617) 244-8859

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