SE.SMD_from_SMD: Standard Error from Sample Sizes and SMD

In metaHelper: Transforms Statistical Measures Commonly Used for Meta-Analysis

Standard Error from Sample Sizes and SMD

Description

Approximates SMD standard error from sample sizes and SMD.

Usage

SE.SMD_from_SMD(SMD, n1, n2, method = "hedges")

Arguments

SMD	standardized mean differences
n1	sample size group 1
n2	sample size group 2
method	transformation method ("hedges", "cohen")

Value

Standard error of SMD (e.g. standard error of intervention effect)

References

Cooper, H., Hedges, L. V., & Valentine, J. C. (Eds.). (2009). Link

Examples

# SMD = 0.6, sample size group_1 = 50, sample size group_2 = 75
SE.SMD_from_SMD(0.6, 50, 75)

metaHelper documentation built on Sept. 11, 2024, 6:43 p.m.