Correct x/y correlations using Case IV
caseIV uses Hunter and Schmidt's (2004) correction procedure to
estimate the correlation between t and p, assuming direct selection on a
caseIV(rtpi, rxxi, rxxa, ux)
the correlation between t and p in the incumbent pool.
the reliability of x in the incumbent pool.
the reliability of x in the applicant pool.
the ratio of selected to unselected variance in x.
a scalar that is the estimate of the correlation between t and p.
Hunter, J.E., and Schmidt, F.L. (2004). Methods of meta-analysis: Correcting error and bias in research findings. Thousand Oaks, CA: Sage.
rel.correction to obtain estimates of rtpi
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