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Bivariate Correlated Factors Solution. Standardized estimates with 95% confidence intervals in parentheses. Rectangles refer to the variance of observed variables. Circles refer to latent genetic (A), shared environmental (C) and non-shared environmental (E) factors. Each latent variable has a variance of 1. Curved double-headed arrows refer to A, C, E correlations. χ2 (56)=107.96, p<.001; AIC=−4.04; BIC=−191.04.
