The compound attenuation factor is computed as the product of the mean for each artifact distribution (square root of artifact) when correcting for attenuation in a correlation coefficient.
A matrix or data.frame with columns Rxx, Ryy, and u: see
The compound attenuation factor is computed as the product of mean(a)*mean(b)*mean(c) where
a = sqrt(Rxx) and is computed with the function
b = sqrt(Ryy) and is computed with the function
c = sqrt((1-u^2)*rbar^2+u^2) and is computed with the function
A numeric value representing the compound attenuation factor
This value is used in the correction for artifacts of a correlation coefficient
Thomas D. Fletcher email@example.com
Arthur, Jr., W., Bennett, Jr., W., and Huffcutt, A. I. (2001) Conducting Meta-analysis using SAS. Mahwah, NJ: Erlbaum.
Hunter, J.E. and Schmidt, F.L. (2004). Methods of meta-analysis: Correcting error and bias in research findings (2nd ed.). Thousand Oaks: Sage Publications.
Hunter, J.E., Schmidt, F.L., and Jackson, G.B. (1982). Meta-analysis: Cumulating research findings across studies. Beverly Hills: Sage Publications.
#From Arthur et al data(ABHt32) CAFAA(ABHt32) rhoCA(ABHt32) # From Hunter et al data(HSJt35) CAFAA(HSJt35) rhoCA(HSJt35)
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