Bias adjustment for an eta-squared estimate

Computes an approximate bias adjustment for eta-squared. This adjustment can be applied to eta-squared, partial-eta squared, and generalized eta-squared estimates.

For more details, see Section 3.7 of Bonett (2021, Volume 1)

Usage

etasqr.adj(etasqr, dfeffect, dferror)

Arguments

etasqr

unadjusted eta-square estimate

dfeffect

degrees of freedom for the effect

dferror

error degrees of freedom

Value

Returns a bias adjusted eta-squared estimate

References

Bonett DG (2021). Statistical Methods for Psychologists https://dgbonett.sites.ucsc.edu/.

Examples

etasqr.adj(.315, 2, 42)
#>  adj Eta-squared
#>           0.2824

# Should return:
# adj Eta-squared
#          0.2824