References/Notes/Attributions:
Source
Originally from Holzinger and Swineford (1939). This copy is originally from version 4.6.0 of the MBESS package.
References
Holzinger, K. J. and Swineford, F. A. (1939). A study in factor analysis: The stability of a bi-factor solution. Supplementary Education Monographs, 48. University of Chicago.