Note: Model fit: χ2(156) = 309.54, p < .001, comparative fit index = .91, root mean square error of approximation = .05, standardized root mean square residual = .08. Standardized estimates reported. Dashed lines represent parameters that are fixed to 1. Adoption openness, child sex, and obstetric risk were included as covariates in the model. BF, birth father; DV, Test of Preschool Early Literacy (TOPEL) Definitional Vocabulary; ISF, Dynamic Indicators of Basic Early Literacy Skills (DIBELS) Initial Sound Fluency; LNF, DIBELS Letter Naming Fluency; LW, letter-word association; MF, math fluency; NWF, DIBELS Nonsense Word Fluency; PA, TOPEL Phonological Awareness; PK, TOPEL Print Knowledge; PSF, DIBELS Phoneme Segmentation Fluency; RF, reading fluency; WA, word-attack; WAIS Info, Wechsler Adult Intelligence Scale-III Information Subscale; WJ, Woodcock–Johnson III; WPPSI, Wechsler Preschool and Primary Scale of Intelligence. nsp ≥ .1; *p < .05; ***p < .001