1. Early Childhood Longitudinal Study, Birth Cohort (ECLS-B): psychometric report for the 2-year data collection (NCES 2007-084);Andreassen,2007
2. Bayley Scales of Infant Development;Bayley,1993
3. The parenting trap—recent studies about the negative effects of child care can raise any parent's anxiety level;Beckstrom,2003
4. Are there long-term effects of early child care?;Belsky;Child Development,2007
5. PK-3: an aligned and coordinated approach to education for children 3 to 8 years old;Bogard;SRCD Social Policy Report,2005