Play (4) Children (4) Reading (3) test (2) échantillonnage (2) association (2) Santiago du Chili (2) Saint-Jacques-de-Compostelle (2) Economic conditions (2) Development (2) Language (2) Children (2) Control (2) Chilean students (2) Weights and measures (2) Time (2) Teaching (2) Socioeconomic status (2) Social status (2) Social groups (2) Schools (2) Sampling (2) Reading comprehension (2) Language and languages (2) Id (Psychology) (2) Education, Preschool (2) Dependency (2) Comprehension (2) Average (2) Ability (2)