Ambridge argues that there is widespread agreement among child language researchers that learners store linguistic abstractions. In this commentary the authors first argue that this assumption is incorrect; anti-representationalist/exemplar views are pervasive in theories of child language. Next, the authors outline what has been learned from this…

Purpose: Most educational assessments tend to be constructed in a close-ended format, which is easier to score consistently and more affordable. However, recent work has leveraged computation text methods from the information sciences to make open-ended measurement more effective and reliable for older students. This study asks whether such text…

Studies of connected speech have repeatedly shown that the contextual predictability of a word is related to its phonetic duration; more predictable words tend to be produced with shorter duration, when other factors are controlled for (Aylett & Turk, 2004, 2006; Bell et al., 2003; Bell, Brenier, Gregory, Girand, & Jurafsky, 2009; Gahl,…

This study examined effects of lexical status and neighborhood density of constituent syllables on children's nonword repetition and interactions with nonword length. Lexical status of the target syllable impacted repetition accuracy for the longest nonwords. In addition, children made more errors that changed a nonword syllable to a word syllable…

Recent work on the acquisition of number words has emphasized the importance of integrating linguistic and developmental perspectives [Musolino, J. (2004). The semantics and acquisition of number words: Integrating linguistic and developmental perspectives. "Cognition 93", 1-41; Papafragou, A., Musolino, J. (2003). Scalar implicatures: Scalar…

Where do the two languages of the bilingual child interact? The literature has debated whether bilingual children have delays in the acquisition of direct objects. The variety of methods and languages involved have prevented clear conclusions. In a transitivity-based approach, null objects are a default structural possibility, present in all…

Examined relation of social-pragmatic and data- providing features of input to productive vocabulary of 63 two-year-olds. Found benefits of data provided in mother- child conversation, but no effects of social aspects of those conversations. Properties that benefited lexical development were quantity, lexical richness, and syntactic complexity.…

Develops a psychologically plausible model of the development of word-naming skills in children in order to verify psychological evidence indicating the importance of children's underlying phonological skills as determinants of the ease with which they learn to read. This model is highly successful in learning the pronunciations of single-syllable…

Presents the goals of the Plunkett and Marchman (PM) connectionist model of the acquisition of verb morphology, and responds to related criticisms. Claims that small vocabulary size allows young children to correctly produce both regular and irregular past tense forms, and that non-linearities in vocabulary growth are a contributing factor to the…

The current study attempts to differentiate effects of phonotactic probability (i.e. the likelihood of occurrence of a sound sequence), neighbourhood density (i.e. the number of phonologically similar words), word frequency, and word length on expressive vocabulary development by young children. Naturalistic conversational samples for three…

Investigates whether knowing more than one language enhances the learning of lexical items and syntactic constructions in other languages. Multilingual (M1) students outperformed unilinguals in both types of acquisition, suggesting that M1s' heightened metalinguistic skills, enhanced lexical knowledge, and a less conservative learning procedure…

Describes a connectionist model, using a simple recurrent network trained on a phoneme prediction task, that accounts for the child's ability to identify word boundaries. The model shows that aspects of linguistic structure that are not overtly marked in the input can be derived by efficiently combining multiple probabilistic cues. (Author/MSE)

Used growth curves and dynamic-systems modeling to examine early lexical and grammatical development of one male child. Found that lexical development described a pattern of logistic growth. Plural growth began after reaching a threshold in vocabulary size. Lexical growth slowed as plural growth increased, and increased when plural use reached…

Children improve at word learning during the 2nd year of life--sometimes dramatically. This fact has suggested a change in mechanism, from associative learning to a more referential form of learning. This article presents an associative exemplar-based model that accounts for the improvement without a change in mechanism. It provides a unified…

Evaluates two developmental models incorporating innovations in prosodic theory using the phonological forms of one child's vocabulary documented for the first nine months of language production. Results indicate the relevance of the prosodic hierarchy in the early grammar as well as considerable early knowledge of prosodic structure below the…