Table 1.

Eigenvalues from parallel analyses of random data and actual eigenvalues of the reduced correlation matrix and proportion of variance explained by each of the first 10 factors in the principal factor analyses of 48 items from the Child and Adolescent Dispositions Scale items for 832 self-report ratings of 9- through 71-year-olds (434 girls and 398 boys) in Study 1 (Georgia Health and Behavior Study).

Number of Factors Extracted	95th %ile of Random Data Eigenvalues	Study Eigenvalues	Proportion of Explained Variance
1	1.54	6.20	.444
2	1.48	3.15	.226
3	1.44	2.30	.165
4	1.40	1.03	.074
5	1.37	0.68	.049
6	1.35	0.64	.046
7	1.32	0.54	.039
8	1.30	0.46	.033
9	1.27	0.39	.028
10	1.25	0.32	.023