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Direct linkLeow, Christine; Wen, Xiaoli; Korfmacher, Jon – Applied Developmental Science, 2015
This article compares regression modeling and propensity score analysis as different types of statistical techniques used in addressing selection bias when estimating the impact of two-year versus one-year Head Start on children's school readiness. The analyses were based on the national Head Start secondary dataset. After controlling for…
Descriptors: Early Intervention, Regression (Statistics), Databases, Predictor Variables
Meng, Christine – Early Education and Development, 2015
Research Findings: This study examined whether approaches to learning moderate the association between home literacy environment and English receptive vocabulary development. The Head Start Family and Child Experiences Survey (2003 cohort) was used for analysis. Latent growth curve modeling was utilized to test a quadratic model of English…
Descriptors: Language Acquisition, Emergent Literacy, Early Childhood Education, Family Literacy
