MAd (version 0.8-3)

ancova_to_d1: ANCOVA F-statistic to d

Description

Converts an ANCOVA F-statistic to d (standardized mean difference)

Usage

ancova_to_d1(m.1.adj, m.2.adj, sd.adj, n.1, n.2, R, q)

Value

d

Standardized mean difference (d).

var_d

Variance of d.

Arguments

m.1.adj

Adjusted mean of treatment group from ANCOVA.

m.2.adj

Adjusted mean of comparison group from ANCOVA.

sd.adj

Adjusted standard deviation.

n.1

Treatment group sample size.

n.2

Comparison group sample size.

R

Covariate outcome correlation or multiple correlation.

q

Number of covariates.

Author

AC Del Re & William T. Hoyt

Maintainer: AC Del Re

References

Borenstein (2009). Effect sizes for continuous data. In H. Cooper, L. V. Hedges, & J. C. Valentine (Eds.), The handbook of research synthesis and meta analysis (pp. 279-293). New York: Russell Sage Foundation.

See Also

d_to_g, mean_to_d, mean_to_d2, t_to_d, f_to_d, p_to_d1, p_to_d2, ancova_to_d1, ancova_to_d2, tt.ancova_to_d, f.ancova_to_d, r_to_d, p.ancova_to_d1, p.ancova_to_d2, lor_to_d, prop_to_or, prop_to_d, r_from_chi, r_from_d, r_from_d1, r_from_t