psychmeta (version 2.6.4)

correct_r_bias: Correct correlations for small-sample bias

Description

Corrects Pearson correlations (r) for small-sample bias

Usage

correct_r_bias(r, n)

Value

Vector of correlations corrected for small-sample bias.

Arguments

r

Vector of correlations.

n

Vector of sample sizes.

Details

r_c=r_obs(2n-22n-1)r_c = r / ((2 * n - 2) / (2 * n - 1))

References

Schmidt, F. L., & Hunter, J. E. (2015). Methods of meta-analysis: Correcting error and bias in research findings (3rd ed.). Sage. tools:::Rd_expr_doi("10.4135/9781483398105"). pp. 140–141.

Examples

correct_r_bias(r = .3, n = 30)
correct_r_bias(r = .3, n = 300)
correct_r_bias(r = .3, n = 3000)