vocabulaire (1) enseignement (1) statistiques (1) science (1) recherche (1) prix (1) matériau (1) analyse (1) effet (1) ligne (1) méthode (1) Vocabulary (1) Orthography and spelling (1) Children (1) Acquisition (1) Texts (1) Statistics (1) Texts (1) Classrooms (1) Texts (1) Vocabulary (1) Teaching (1) Teachers (1) Students (1) Statistics (1) Science (1) Research (1) Reading (1) Proportion (1) Performance (1)