size.ci.cronbach: Sample size for a Cronbach reliability confidence interval
In statpsych: Statistical Methods for Psychologists
size.ci.cronbach R 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
\insertRefBonett2015statpsych
Examples
size.ci.cronbach(.05, .85, 5, .1)
# Should return:
# Sample size
# [1,] 89
statpsych documentation built on July 9, 2023, 6:50 p.m.
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| size.ci.cronbach | R 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
\insertRefBonett2015statpsych
Examples
size.ci.cronbach(.05, .85, 5, .1)
# Should return:
# Sample size
# [1,] 89
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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