Publication Date
| In 2026 | 0 |
| Since 2025 | 0 |
| Since 2022 (last 5 years) | 0 |
| Since 2017 (last 10 years) | 1 |
| Since 2007 (last 20 years) | 3 |
Descriptor
Author
| Weiland, Christina | 3 |
| Bloom, Howard S. | 2 |
| Shapiro, Anna | 1 |
Publication Type
| Reports - Research | 3 |
| Journal Articles | 1 |
| Numerical/Quantitative Data | 1 |
Education Level
| Early Childhood Education | 2 |
| Preschool Education | 2 |
| Elementary Education | 1 |
| Grade 3 | 1 |
| Primary Education | 1 |
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
| Child Behavior Checklist | 3 |
| Peabody Picture Vocabulary… | 3 |
| Woodcock Johnson Tests of… | 3 |
What Works Clearinghouse Rating
Shapiro, Anna; Weiland, Christina – Educational Evaluation and Policy Analysis, 2019
There are unique challenges to estimating causal effects of preschool for students with special needs that have not received attention in the literature. We revisit the Head Start Impact Study (HSIS) to illustrate that when and how special needs is defined has implications for the internal validity of and interpretation of special needs subgroup…
Descriptors: Definitions, Special Education, Preschools, Preschool Children
Bloom, Howard S.; Weiland, Christina – MDRC, 2015
This paper uses data from the Head Start Impact Study (HSIS), a nationally representative multisite randomized trial, to quantify variation in effects of Head Start during 2002-2003 on children's cognitive and socio-emotional outcomes relative to the effects of other local alternatives, including parent care. We find that (1) treatment and control…
Descriptors: Program Evaluation, Program Effectiveness, Early Intervention, At Risk Students
Bloom, Howard S.; Weiland, Christina – Society for Research on Educational Effectiveness, 2014
Head Start is the largest publicly funded preschool program in the U.S., and one of its primary goals is to improve the school readiness of low-income children. As has been widely reported, the first randomized trial of Head Start in the program's history found some evidence that it is achieving this goal. Receiving one year of Head Start had…
Descriptors: Early Intervention, Preschool Education, Early Childhood Education, School Readiness

Peer reviewed
Direct link
