Control (2) Persons (2) Human beings (2) puits (1) test (1) revenu (1) droits de l'homme (1) santé (1) aliment (1) expérience de terrain (1) exposition (1) éducation (1) science économique (1) distribution (1) étude expérimentale (1) jeune (1) Education (1) Food (1) Treatment (1) Children (1) Rules (1) Rules (1) Women (1) Weights and measures (1) Week (1) Views (1) Suppers (1) Weight loss (1) Play (1) Parents (1)