A central component of early language development is vocabulary acquisition. Toddlers
have been estimated to learn 5-9 words every day despite the fact that no one is explicitly …

In comparison to adults, children exposed to English produce a much higher proportion of
nouns than verbs during early language acquisition (Gentner, 1982; Fenson, Dale, Reznick …

Studies examining factors that influence when words are learned typically investigate one
lexical category or a small set of words. We provide the first evaluation of the relation …

Children vary widely in the rate and breadth of vocabulary acquisition across early
childhood. This chapter reviews relevant literature on the nature of individual differences in …

Recently, researchers have been debating whether children exhibit a universal “noun bias”
when learning a first language. The present study compares the proportions of nouns and …

Previous literature shows that language input is related to the language that children
produce. Less is known about how the input provided to children relates to the way that they …

Differences in vocabulary size among children can be explained in part by differences in
parents' language input, but features of caregivers' input can be more or less beneficial …

At 18 months of age, children frequently generalize (and overgeneralize) novel objects'
labels by shape (Landau et al., 1988). However, data from laboratory studies using …

Vocabulary size in preschool is a robust predictor of later language development, and early
language skills predict early literacy skills at school entry. By studying the mechanisms that …

How do infants learn word meanings? Research has established the impact of both parent
and child behaviors on vocabulary development, however the processes and mechanisms …