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Phenotypic Cholesky decomposition model. Measured variables are: Math1 = Understanding Number; Math2 = Non-Numerical Processes; Math3 = Computation and Knowledge; WD1 = TOWRE; WD2 = WJ-III Reading Fluency; RC1 = PIATrc; RC2 = GOAL. Asterisk indicates estimate is significantly greater than zero (p < .05).
