The association between academic self-concept and achievement is assumed to be reciprocal. Typically, the association is analyzed by variants of the classical cross-lagged panel model. Results with more recently developed methodological approaches, for example, the random intercept cross-lagged panel model, its continuous-time implementation, and…

Comprehensive models of derived polymorphemic word recognition skill in developing readers, with an emphasis on children with reading difficulty (RD), have not been developed. The purpose of the present study was to model individual differences in polymorphemic word recognition ability at the item level among 5th-grade children (N = 173)…

The central question addressed in this study was: What factors are associated with individual differences in academic motivation among first-grade students who were born to low-income adolescent mothers? Data from a 7-year longitudinal study were used to address the question. First-grade teachers assessed academic motivation for 89 children at the…

Using a mixed-methodology, longitudinal design, individual differences and contextual factors related to differential response to general education instruction were examined. We tested a response-to-instruction model reflecting the first three phases of a model proposed by Fuchs and Fuchs (1998). We classified first- and second-grade children…