MAc (version 1.1.1)

ancova_to_d2: ANCOVA F-statistic to d II

Description

Converts an ANCOVA F-statistic with pooled standard deviation to d (standardized mean difference)

Usage

ancova_to_d2(m.1.adj, m.2.adj, s.pooled, n.1, n.2, R, q)

Arguments

m.1.adj

Adjusted mean of treatment group from ANCOVA.

m.2.adj

Adjusted mean of comparison group from ANCOVA.

s.pooled

Pooled 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.

Value

d

Standardized mean difference (d).

var_d

Variance of d.

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