Infant Word Comprehension-to-Production Index Applied to Investigation of Noun Learning Predominance Using Cross-lingual CDI database

Abstract

This paper defines a measure called the comprehension-to-production (C2P) index to investigate whether nouns have predominance over verbs in children’s word learning that identifies a partial word learning period from comprehension to production. We applied the C2P index to noun predominance using cross-lingual child communicative development inventory databases and confirmed that it indicates noun predominance in word learning, suggesting that the process between a word’s comprehension and its production is a significant factor of predominance in noun learning by children.

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