runClassical is a function for performing a Classical Test Theory (CTT) based reliability analysis.
runClassical(data, omega = FALSE, scalewise = TRUE, ...)a PROsetta_data object. See loadData for loading a dataset.
if TRUE, also obtain McDonald's omega using omega in psych package. (default = FALSE)
if TRUE, run analysis for each instrument as well as for the combined instrument. If FALSE, run analysis only for the combined instrument. (default = TRUE)
additional arguments to pass onto omega.
runClassical returns a list containing reliability analysis results.
out_alpha <- runClassical(data_asq)
out_omega <- runClassical(data_asq, omega = TRUE) # also obtain omega