The language that students use with whole numbers can be insufficient when learning integers. This is often the case when children interpret addition as "getting more" or "going higher." In this study, we explore whether instruction on mapping directed magnitudes to operations helps 88 second graders and 70 fourth graders solve…

As the United States experiences greater income inequality, more and more students experience an early science achievement gap. This study tested several competing theoretical models of early science achievement with a longitudinal sample of 14,624 children who were followed from kindergarten entry to the end of 1st grade. To understand why and…

Research Findings: This study investigates contributions of the preschool classroom interpersonal environment to students' social competence in 1st grade. Participants were 862 ethnically/racially diverse children who attended public preschool classrooms serving low-income families. Systematic observations of 60 classrooms occurred across the…

To date the authors have completed 23 studies of knowledge monitoring and its relationship to learning from instruction. Their earlier work, 12 studies in all, is summarized and reported elsewhere (see Tobias and Everson, 1996; Tobias and Everson, 2000). In this paper they continue this line of research and summarize the results of 11 studies that…