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statpsych (version 2.0.0)

test.anova.bs: Between-subjects F statistic and eta-squared from summary information

Description

Computes the F statistic, p-value, eta-squared, and adjusted eta-squared for the main effect in a one-way between-subjects ANOVA using the estimated group means, estimated group standard deviations, and group sample sizes.

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

Usage

test.anova.bs(m, sd, n)

Value

Returns a 1-row matrix. The columns are:

  • F - F statistic for test of null hypothesis

  • dfA - degrees of freedom for between-subjects factor

  • dfE - error degrees of freedom

  • p - p-value

  • Eta-squared - estimate of eta-squared

  • adj Eta-squared - a bias adjusted estimate of eta-squared

Arguments

m

vector of estimated group means

sd

vector of estimated group standard deviations

n

vector of group sample sizes

References

Bonett2021statpsych

Examples

Run this code
m <- c(12.4, 8.6, 10.5)
sd <- c(3.84, 3.12, 3.48)
n <- c(20, 20, 20)
test.anova.bs(m, sd, n)

#  Should return:
#      F dfA  dfE       p Eta-squared  adj Eta-squared
# 5.9196   2   57 0.00461       0.172           0.1429
 

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