Research Findings: This study examines the development of problem behavior in classroom contexts characterized by peer interaction among a nationally representative sample (N = 3,827) of U.S. low-income children from preschool entry to first grade. Latent growth mixture modeling was employed to identify unobserved subpopulations (latent classes)…

Using data from the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development and a model-building approach, the authors examined direct and indirect associations between first-grade (G1) classroom-level adversity (CLA), G1 teaching practices, and student (N = 1,073; M = 6.64 years; 49% girls; 82%…

The purpose of this study was to identify an indicator that the School District of Philadelphia (SDP) could use to measure the percentage of entering kindergarteners who are on-track to read on grade level by the end of grade 3. To develop the indicator, this study examined relationships between student scores on SDP's different assessments that…

California's Kindergarten Readiness Act of 2010 established transitional kindergarten (TK), the first year of a two-year kindergarten program for students affected by the change in the birthdate cutoff for entry into kindergarten from December 2 to September 1. This final report from the program's evaluation focuses on results from a five-year…

California's Kindergarten Readiness Act of 2010 established transitional kindergarten (TK), the first year of a two-year kindergarten program for students affected by the change in the birthdate cutoff for entry into kindergarten from December 2 to September 1. This fifth short report in a series highlighting findings from the Study of…

This paper addresses the relationship between class size and student-teacher interactions as an explanation for effects of class size on achievement. Observations were conducted in kindergarten and Grade 1 classes from 46 Dutch primary schools in order to address the effect of class size on the amount and type of student-teacher interactions. The…

This longitudinal study investigated the academic and cognitive characteristics of persistent mathematics difficulty (MD-p) from first to fourth grade. Ninety-nine children were retrospectively categorized into one of three groups: MD-p, transient mathematics difficulty (MD-t), or typically developing. MD-p was defined as persistently low…

Primary school teachers rated the frequency of occurrence of 65 reading-related behavioural characteristics in a sample of 251 Grade 1 to Grade 6 Chinese school children in Hong Kong. These behavioural characteristics were in the areas of general performance, reading, dictation, writing, mathematics, language, memory, concentration, sequential…

Family and child care experiences from birth to 54 months, achievement and social competence at entry to school, maternal sensitivity at first grade, and qualities of first-grade classrooms were used to predict academic and cognitive functioning at first grade for 832 children enrolled in the National Institute of Child Health and Human…