mean_to_d2: Means with Pooled SD to Standardized Mean Difference

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mean_to_d2R Documentation

Means with Pooled SD to Standardized Mean Difference

Description

Converts raw mean scores with pooled standard deviation from the primary study to a standardized mean difference (d).

Usage

mean_to_d2(m.1, m.2, s.pooled, n.1, n.2)

Arguments

m.1

Mean of group one.

m.2

Mean of group two.

s.pooled

Pooled standard deviation.

n.1

Sample size of group one.

n.2

Sample size of group two.

Value

d

Standardized mean difference (d).

var.d

Variance of d.

Author(s)

AC Del Re & William T. Hoyt

Maintainer: AC Del Re acdelre@gmail.com

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, 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


MAd documentation built on Aug. 7, 2022, 1:05 a.m.