Abstract
It is proved that the sum of coefficients alpha for factors (common factors or components) is invariant under orthogonal rotation.
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References
1.
Graybill
F. A.
(1969 ) Introduction to matrices with applications in statistics . Belmont, CA : Wadsworth .
2.
Harris
C. W.
(1967 ) On factors and factor scores . Psychometrika , 32 , 363 –379 .
3.
Kaiser
H. F.
Norman
W. T.
(1991 ) Coefficients alpha for components . Psychological Reports , 69 , 111 –114 .
4.
McDonald
R. P.
Burr
E. J.
(1967 ) A comparison of four methods of constructing factor scores . Psychometrika , 32 , 381 –401 .