Assess for publication bias in the meta-analytic data
PubBias(data)data.frame having been analyzed by the weights function with id and z.score (standardized z-value).
Number of studies.
Overall z-value for data set.
Number of studies needed to include with effect size = 0 (null) in order for the p > .05 (null hypothesis retained).
Number of missing studies for every observed study for the overall effect to be nullified.
Sutton, A. J. (2009). Publication bias. In H. Cooper, L. V. Hedges, & J. C. Valentine (Eds.), The handbook of research synthesis and meta analysis (pp. 435-452). New York: Russell Sage Foundation.