bifactor: Obtain bifactor reliability estimates of two-dimensional data

In eunscho/reliacoef: Compute and Compare Unidimensional and Multidimensional Reliability Coefficients

Obtain bifactor reliability estimates of two-dimensional data

Description

Obtain bifactor reliability estimates of two-dimensional data. It is a kind of multidimensional CFA reliability, and it is the reliability derived from the bifactor model. Items should be grouped by each sub-dimension. For example, the first dimension consists of the first item through the until item.

Usage

bifactor(x, nobs = NULL, until, print = TRUE)

Arguments

x	observed item scores or their covariances
nobs	number of observations (i.e., sample size)
until	The number of items up to the first sub-construct
print	If TRUE, the result is printed to the screen.
only_first_grp	whether it is only_first_grp and Cui's simulation, which has only one group factor

Value

a bifactor reliability estimate

Author(s)

Eunseong Cho, [e-mail]

References

Cho, E. (2016). Making reliability reliable: A systematic approach to reliability coefficients. Organizational Research Methods, 19(4), 651-682. https://doi.org/10.1177/1094428116656239

Examples

bifactor(Osburn_moderate, 4)
bifactor(Sijtsma2a, c(2, 4))

eunscho/reliacoef documentation built on Jan. 30, 2023, 12:16 a.m.