We find a general, language-independent pattern in child language acquisition in which there is a clear difference between subject and object noun phrases. On one hand, indefinite objects tend to be interpreted nonreferentially, independently of word order and across experiments and languages. On the other hand, indefinite subjects tend to be…

Properties of the input, such as raw frequency and syntactic diversity, have been shown to play a role, to different extents, in the acquisition of nouns and verbs. This study investigated the relationship between three properties of the input (input frequency, syntactic diversity, and variety in noun-type co-occurrence) and age of acquisition of…