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The effects of two influential early childhood interventions on health and healthy behaviours

Authors: Gabriella Conti , James Heckman and Rodrigo Pinto
Date: 01 August 2015
Type: cemmap Working Paper, NBER WP 21454
DOI: 10.3386/w21454

Abstract

This paper examines the long-term impacts on health and healthy behaviors of two of the oldest and most widely cited U.S. early childhood interventions evaluated by the method of randomization with long-term follow-up: the Perry Preschool Project (PPP) and the Carolina Abecedarian Project (ABC). There are pronounced gender effects strongly favoring boys, although there are also effects for girls. Dynamic mediation analyses show a significant role played by improved childhood traits, above and beyond the effects of experimentally enhanced adult socioeconomic status. These results show the potential of early life interventions for promoting health.

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