----------------- help for gstudy -----------------Generalizability Study ---------------------- gstudy dv p facet1 [facet2] [, [brennan] [cronbach] [d(numlist)] ]
Description -----------
gstudy computes a one or two facet completely crossed generalizability study for random effects models. Options -------
brennan Brennan's method for negative variance components.
cronbach Cornbach's method for negative variance components.
d(numlist) levels of factors for decision study.
In a one facet study the numlist contains proposed levels for that facet. Example: d(10 20 30 40) In a two facet study the numlist contains proposed pairs of levels for the two facets. Example: d(1 2 2 4 3 4)
Examples --------
. gstudy score p i, d(20 30 40) . gstudy score p r, d(2 3 4 5) . gstudy score p r o . gstudy score p r o, cronbach
Author ------
Philip B. Ender UCLA Department of Education UCLA Academic Technology Services enderatucla.edu
Statistical Methods and Data Analytics
