This paper represents a preliminary attempt to determine universals of grammatical development in children. On the basis of language acquisition data, a limited number of findings are presented in the form of suggested developmental universals. These universals are grouped according to the psychological variables which may determine them, in the…

This study of the acquisition of kinship terms in English is a test of the hypothesis that lexical items are learned in their order of complexity and of the validity of relational analysis in predicting the order of the acquisition of kinship terms. Earlier studies of kinship terms, Piaget's in particular, are first discussed, as well as the…

Cross-sectional and longitudinal acquisition data for English, German, Italian, and Turkish children ranging in age from approximately 1 to 4 provide a preliminary answer to the question of whether there is a consistent interlanguage order of development of notions of conjunction. It was found that children first conjoin sentences by simple…

"How does a child come to be able to relate his own experience to the formal means of communicating about that experience in the language to which he is exposed?" The author maintains that the innate predispositions that underlie the development of the cognitive ability to organize and structure experience also underlie the acquisition of the…