Computes the percentage variance attributed to attenuating artifacts (sampling error, restriction of range, reliability in predictor and criterion.
pvaaa(x, aprox = FALSE)
A matrix or data.frame with columns Rxy, n and artifacts (Rxx, Ryy, u):
Logical test to determine if the approximate or exact var e is used
Percent of variance is computed as: (
varAV ) /
varr * 100
A numeric value representing the percent of variance accounted for by artifacts
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) pvaaa(ABHt32) # From Hunter et al data(HSJt35) pvaaa(HSJt35)
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