This study uses experimental and nationally representative Head Start Impact Study data to document the high incidence of multidomain household instability experienced by children eligible for the federal two-generation Head Start early childhood education program for low-income households. The study finds that household instability experienced…

A socioeconomic status (SES) gap in mathematical knowledge emerges early and widens prior to school entry. To address this gap, a curricular intervention, "Pre-K Mathematics," was developed and found to be effective in prior efficacy research. In the present project, the next step was taken in evaluating this intervention. Specifically,…