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Selecting related samples increases standard error and reduces power.
Head Start Model
A program in the United States that provides comprehensive education, health, nutrition, and parent involvement services to low-income children and their families.
Low-Income Families
Households with income significantly below the median level for their area, often facing financial difficulties and limited access to resources.
Home Visitation Programs
Services provided by organizations or agencies that involve professionals visiting individuals or families at home to offer support, education, or healthcare.
School Representatives
Individuals selected or elected to act or speak on behalf of a school community in various capacities, such as liaising with external organizations.
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