1986
DOI: 10.1207/s15327906mbr2103_7
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Notes and Commentary: Regression Equations for the Latent Roots of Random Data Correlation Matrices with Unities on the Diagonal

Abstract: In order to make parallel analysis more accessible to researchers employing principal component techniques, regression equations are presented for the logarithms of the latent roots of random data correlation matrices with unities on the diagonal. These regression equations have as independent variables logarithms of: the single variable degrees of freedom; Bartlett-Lawley degrees of freedom; the next lowest ordered eigenvalue. The multiple correlation coefficients are at least 0.96 in all cases.

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Cited by 54 publications
(20 citation statements)
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“…Although there were five eigenvalues greater than 1, both the scree plot method and parallel analysis supported the existence of three factors. The eigenvalues for random data were estimated using the regression equation developed by Allen and Hubbard (1986). The minimum loading used to identify items to factors was .45.…”
Section: Exploratory Factor Analysismentioning
confidence: 99%
“…Although there were five eigenvalues greater than 1, both the scree plot method and parallel analysis supported the existence of three factors. The eigenvalues for random data were estimated using the regression equation developed by Allen and Hubbard (1986). The minimum loading used to identify items to factors was .45.…”
Section: Exploratory Factor Analysismentioning
confidence: 99%
“…1), referencing published work which presents regression models or tables of threshold values to test the significance of components, or readily available programs (Allen & Hubbard 1986;Lautenschlager 1989;Buja & Eyuboglu 1992; Pohlmann unpubl. -available from the author upon request).…”
Section: The Problem Of the 'Number Of Components'mentioning
confidence: 99%
“…This selection criterion produced a three-factor solution. To ensure only reliable factors were retained, the factors were evaluated using both a scree test and parallel analysis (Allen & Hubbard, 1986;Longman, Cota, Holden, & Fekken, 1989). Both the scree test and parallel analysis suggested only the first two factors were reliable, and these are reported in Table 3.…”
Section: Relationship Between Mothers' and Daughters' Family Perceptionsmentioning
confidence: 99%