Susan M. Chang-Lopez
The University of The West Indies
NBER Working Papers and Publications
|June 2013||Labor Market Returns to Early Childhood Stimulation: a 20-year Followup to an Experimental Intervention in Jamaica|
with Paul Gertler, James Heckman, Rodrigo Pinto, Arianna Zanolini, Christel Vermeersch, Susan Walker, Sally Grantham-McGregor: w19185
We find large effects on the earnings of participants from a randomized intervention that gave psychosocial stimulation to stunted Jamaican toddlers living in poverty. The intervention consisted of one-hour weekly visits from community Jamaican health workers over a 2-year period that taught parenting skills and encouraged mothers to interact and play with their children in ways that would develop their children's cognitive and personality skills. We re-interviewed the study participants 20 years after the intervention. Stimulation increased the average earnings of participants by 42 percent. Treatment group earnings caught up to the earnings of a matched non-stunted comparison group. These findings show that psychosocial stimulation early in childhood in disadvantaged settings can have su...
Published: Science 30 May 2014: Vol. 344 no. 6187 pp. 998-1001 DOI: 10.1126/science.1251178 Report Labor market returns to an early childhood stimulation intervention in Jamaica Paul Gertler1,2,*, James Heckman3,4,5, Rodrigo Pinto3, Arianna Zanolini3, Christel Vermeersch6, Susan Walker7, Susan M. Chang7, Sally Grantham-McGregor8