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. Author manuscript; available in PMC: 2014 Sep 2.
Published in final edited form as: Dev Psychopathol. 2013 Aug;25(3):857–878. doi: 10.1017/S0954579413000217

Study 1: Pair-wise variance covariance matrix of variables in the final model

1 2 3 4 5 6
1. Language, 4.5 years 1.00
2. Internalizing behavior problems, 4.5 years .08 1.00
3. Externalizing behavior problems, 4.5 years −.30 .20 1.00
4. Language, 7 years .50 .00 −.22 1.00
5. Internalizing behavior problems, 7 years −.27 .17 .17 .01 1.00
6. Externalizing behavior problems, 7 years −.26 .17 ..51 −.19 .35 1.00

Note. All variables were scaled by constants so that variable variances are all ≈ 1.