Becker83 | R Documentation |
The data set includes studies on sex differences in conformity using the fictitious norm group paradigm reported by Becker (1983).
data(Becker83)
The variables are:
study number
Standardized mean difference
Sampling variance of the effect size
Percentage of male authors
Number of items
Becker, B. J. (1983, April). Influence again: A comparison of methods for meta-analysis. Paper presented at the annual meeting of the American Educational Research Association, Montreal.
Hedges, L. V., & Olkin, I. (1985). Statistical methods for meta-analysis. Orlando, FL: Academic Press.
Cheung, M. W.-L. (2010). Fixed-effects meta-analyses as multiple-group structural equation models. Structural Equation Modeling, 17, 481-509.
data(Becker83)
## Random-effects meta-analysis
summary( meta(y=di, v=vi, data=Becker83) )
## Mixed-effects meta-analysis with log(items) as the predictor
summary( meta(y=di, v=vi, x=log(items), data=Becker83) )
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