Classroom research has typically focused on the role of teaching practices and the quality of instruction in children's academic performance, motivation and adjustment--in other words, classroom interactions initiated by the teacher. The present article presents a model of classroom interactions initiated by the child, that is, the notion that a…

This study presents a new approach to estimation of a nonlinear growth curve component with fixed and random effects in multilevel modeling. This approach can be used to estimate change in longitudinal data, such as day-of-the-week fluctuation. The motivation of the new approach is to avoid spurious estimates in a random coefficient regression…