This study challenges the belief that homogeneous ability grouping benefits high-ability students in cognitive and social-emotional development at the expense of their low-ability peers. From a developmental point of view, the authors hypothesize that homogeneous grouping may improve the learning behaviors and may benefit the literacy learning of…

This study used an observational measure to examine how individual children's engagement with teachers, peers, and tasks was associated with gains in self-regulation. A sample of 341 preschoolers was observed, and direct assessments and teacher reports of self-regulation were obtained in the fall and spring of the preschool year. Research…

The focus of this paper centers around timing associated with early childhood education programs and interventions using meta-analytic methods. At any given assessment age, a child's current age equals starting age, plus duration of program, plus years since program ended. Variability in assessment ages across the studies should enable everyone to…

To determine which types and qualities of science teaching strategies stimulate students to become involved in learning, middle and high school students (N=147) were observed for time-on-task (time actively spent by the student in learning) and off-task during periods while being taught by five student teachers. The "Teaching Strategies…