size.ci.cronbach: Sample size for a Cronbach reliability confidence interval

View source: R/statpsych1.R

size.ci.cronbachR Documentation

Sample size for a Cronbach reliability confidence interval

Description

Computes the sample size required to estimate a Cronbach reliability with desired confidence interval precision.

Usage

size.ci.cronbach(alpha, rel, r, w)

Arguments

alpha

alpha value for 1-alpha confidence

rel

reliability planning value

r

number of measurements

w

desired confidence interval width

Value

Returns the required sample size

References

\insertRef

Bonett2015statpsych

Examples

size.ci.cronbach(.05, .85, 5, .1)

# Should return:
# Sample size
#          89
 


statpsych documentation built on June 22, 2024, 6:51 p.m.