This issue brief presents findings from the Universal Preschool Child Outcomes Study, which examined a diverse group of Los Angeles preschoolers. The study integrated three strategies—card sorts, focus groups, and cognitive interviewing—to measure how parents rate their...

This user's manual describes the design, instrumentation, coding methodology, and special issues pertaining to the twin triad data file from the Early Childhood Longitudinal Study, Birth Cohort base year (9-month) data collection. Also included is information to help users access and use the...

This CD-ROM contains restricted-use base year (9-month data collection) twin triad data from the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B). The twin triad data file contains data from a subsample of twins videotaped with their mothers during a teaching interaction. Triadic...

This issue brief presents findings from the Universal Preschool Child Outcomes Study, which examined a diverse group of Los Angeles preschoolers. The study integrated three strategies—card sorts, focus groups, and cognitive interviewing—to measure how parents rate their...

This report provides insight into the demographics of Head Start children and families; children's cognitive, social-emotional, and physical development and health during a year in the program; and key attributes of Head Start classrooms and programs for children who entered Head Start for the...

These tables provide statistics for all analyses in the research report.