Group Sessions or Home Visits for Early Childhood Development in India: A Cluster RCT

^aInstitute for Global Health, University College London, London, England;
^bDepartment of Anthropology, Psychology and Sociology, University of West Georgia, Carrollton, Georgia;
^cCentre for Early Childhood Education and Development at Ambedkar University, Delhi, India;
^dDepartment of Economics, Yale University, New Haven, Connecticut;
^eInstitute for Fiscal Studies, London, United Kingdom;
^fNational Bureau of Economic Research, Cambridge, Massachusetts;
^gAbdul Latif Jameel Poverty Action Laboratory, Cambridge, Massachusetts;
^hDepartment of Economics and Sociology, University of Pennsylvania, Philadelphia, Pennsylvania;
ⁱDepartment of Industrial Engineering, Universidad de Chile, Chile, South America;
^jCenter for Research in Inclusive Education, Chile;
^kPratham Education Foundation, India; and
^lInter-American Development Bank, Washington, DC

Dr Grantham-McGregor conceptualized and designed the study, designed the initial curriculum and adapted it to this study’s setting, contributed to the design of the data collection instruments and to the interpretation of the data analysis, and drafted the initial manuscript; Ms Adya, Ms Day, Ms Kochar, Ms Makkar supported the adaptation of the curriculum and intervention to the setting, trained and supervised staff for implementation and data collection, and critically reviewed the manuscript for important intellectual content; Mr Attanasio, Ms Augsburg, Mr Behrman, Mr Meghir conceptualized and designed the study, contributed to the design and adaptation of the curriculum and the design of the data collection instruments, conducted analysis and interpretation of the data, and contributed to the drafting of the manuscript; Ms Caeyers contributed to the design of the data collection instruments and interpretation of the data analysis and critically reviewed the manuscript; Ms Jervis supported the adaptation of the curriculum and intervention to the setting, trained and mentored implementation staff, contributed to the design of the data collection instruments, conducted analysis and interpretation of data, and drafted the initial manuscript; Mr Phimister contributed to the design of the data collection instruments, supported training of data collection staff, conducted analysis and interpretation of data, and drafted the initial manuscript; Ms Rubio-Codina conceptualized and designed the study, supported the adaptation of the curriculum and intervention to the setting, trained and mentored implementation staff, contributed to the design of the data collection instruments, conducted analysis and interpretation of data, and critically reviewed the manuscript for important intellectual content; Ms Vats supported the adaptation of the intervention, trained and managed implementation staff, and critically reviewed the manuscript; and all authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.

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