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Comments on “Impact Evaluation of School Meals and Deworming Programs on School Performance in Primary Schools in Rural Senegal”. Asmaa Elbadawy Population Council – WANA Region. Research Questions. Evaluate the impact of school meals and deworming programs on Nutrition and health
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Comments on “Impact Evaluation of School Meals and Deworming Programs on School Performance in Primary Schools in Rural Senegal” Asmaa ElbadawyPopulation Council – WANA Region
Research Questions • Evaluate the impact of school meals and deworming programs on • Nutrition and health • School outcomes • School attendance (attract new students and retain existing ones) • School progress (dropout, grade repetition) • Learning/achievement (standardized test) • Future incremental earnings / cost-benefit analysis • Variability in impact by quantity and quality of food • Motivation: • Negative effects of severe malnutrition: cognitive development, attendance, dropout and repetition, perpetuation of poverty. • Need for rigorous evaluation
Comments on Outcomes Studied • Long term effects when timeframe is one year ? • Impacts on future earnings? • Quantifying the benefits? • Dropout, repetition • Dropout in final years? • Attracting new students to school • How are you measuring that? • Attracting different type of students that would otherwise not be in school making student characteristics differ across control and treatment groups • School delay cognitive skills? • Preventing school closure, open new schools? MOE decision?
Sample & Data • 4 poorest regions in the country • 4 groups (each consisting of 40 same-sized schools) • Control group • Group 2: treated with school meals • Group 3: treated with deworming program • Group 4: treated with both • Selection criteria: • Regions: poorest, based on? • Schools: size, similar characteristics? • Baseline and endline surveys + FGD + secondary data
Methods • Issue: endogenous treatment intensity • Absenteeism • Number of days canteens are open (why?) • Difference-in–differences • Continuous treatment effects (Hirano and Imbens 04) • Matching methods (unobservable differences?) • Markov transition matrix