Developmental researchers commonly utilize multilevel models (MLMs) to describe and predict individual differences in change over time. In such growth model applications, researchers have been widely encouraged to supplement reporting of statistical significance with measures of effect size, such as R-squareds ("R[superscript 2]") that…

This study applied multilevel modeling to examine how individual characteristics, such as gender and teaching experience, and contextual characteristics, such as principal leadership and perceived colleague support, influenced Korean secondary school teachers' sense of job satisfaction. Previous research identified teachers with high job…

Students' writing problems are a global educational concern and is in need of particular attention. This study aims to examine the impact of providing extra writing opportunities (i.e., writing journals) on the quality of writing compositions. A longitudinal cluster-randomized controlled design using a multilevel modeling analysis with 182 fourth…

Research has shown that various individual factors play an important role in the underachievement of gifted students. Most often discussed as predictors of underachievement are motivation, learning behavior, and emotions. To examine which specific constructs from these fields simultaneously predict underachievement among gifted fourth graders,…

This exploratory study examined the associations between teacher-student relationship ratings and characteristics of students and teachers. A sample of fifth grade teachers (N = 115) and their students (N = 2070) were studied. Hierarchical linear modeling was employed to explore the associations between variables while taking both individual…

Mathematics performance in the U.S., relative to other developed countries remains unsatisfactory despite the emphasis on teacher training, rigor in teaching, and provision of physical resources, adjustments in curriculum and utilization of modern technology. Psychological aspects such as motivation and self-efficacy, which are known to have…

Research Findings: This study investigated the relationship of preschool teachers' self-reported depressive symptomatology, perception of classroom control, and perception of school climate to classroom quality as measured by the Classroom Assessment Scoring System Pre-K. The sample consisted of 59 urban preschool classrooms serving low-income and…