University of Alaska Anchorage / Schiefelbusch Institute / University of Kansas / /
Organization
University of Kansas / Department of Psychology / Schiefelbusch Institute for Life Span Studies / University of Alaska Anchorage / Turner House Preschool / /
Person
Dale Walker / Todd R. Risley / Betty Hart / / /
Position
professor of Human Development / senior scientist / professor / director / /
The Early Catastrophe: The 30 Million Word Gap by Age 3 Betty Hart and Todd R. Risley During the 1960’s War on Poverty, we were among the many researchers, psychologists, and educators who brought our knowledge of chil