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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...
Persistent link: https://www.econbiz.de/10010609014
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...
Persistent link: https://www.econbiz.de/10010609631
This article examines the cost components that drive increased total costs after a medical fall over time, by severity of injury. The study found that large cost increases after a fall that resulted in hospitalization are mainly associated with inpatient and postacute care, while cost spikes...
Persistent link: https://www.econbiz.de/10010924761
classroom characteristics in the value-added model is sufficient to eliminate potential bias resulting from the sorting of … deviation of classroom achievement—may reduce bias for middle school math teachers, whereas track indicators help for high …
Persistent link: https://www.econbiz.de/10011165990