One of the fundamental questions in the field of language acquisition is a learnability problem, which considers how learners acquire certain aspects of language which are not directly provided in the input or whose referents are not readily observable. This dissertation investigates Japanese children's acquisition of various linguistic phenomena,…

Ambridge argues that the existence of exemplar models for individual phenomena (words, inflection rules, etc.) suggests the feasibility of a unified, exemplars-everywhere model that eschews abstraction. The argument would be strengthened by a description of such a model. However, none is provided. I show that any attempt to do so would immediately…

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…

Generative approaches to language have long recognized the natural link between theories of knowledge representation and theories of knowledge acquisition. The basic idea is that the knowledge representations provided by Universal Grammar enable children to acquire language as reliably as they do because these representations highlight the…

There is a noted advantage of dense neighborhoods in language acquisition, but the learning mechanism that drives the effect is not well understood. Two hypotheses--long-term auditory word priming and phonological working memory--have been advanced in the literature as viable accounts. These were evaluated in two treatment studies enrolling twelve…

Stoel-Gammon (this issue) states that "from birth to age 2 ; 6, the developing phonological system affects lexical acquisition to a greater degree than lexical factors affect phonological development" (this issue). This conclusion is based on a wealth of data; however, the available data are somewhat limited in scope, focusing on rather holistic…

A discussion of the role of linguistic theory in explaining language acquisition proposes that theory draws too narrow a picture of language to adequately account for the developmental phenomena of acquisition. While recognizing the importance of descriptive linguistic research, a new approach cautions against embracing description to the…

It is proposed that, in contrast to Chomsky's argument, it is possible to arrive at an empirically grounded definition of innate linguistic competence that guides the child in the construction of grammar, particularly when this process is viewed as developmental. This approach treats language acquisition as a process of change. It is suggested…

Two markedness hypotheses in current language acquisition theory are examined. One view of markedness, the developmental hypothesis, states that the unmarked case is the child's initial hypothesis, i.e., the hypothesis that is set in advance of linguistic data. The developmental hypothesis further predicts that children will proceed in a fixed…

A study suggesting semantic rather than syntactic early language acquisition by children. (CH)

Children's ability to learn aspects of their language in the absence of supportive evidence is discussed. Specifically, the learnability of null subjects in languages in which they appear is examined when indirect negative evidence is present. It is concluded that parameters such as the null subject parameter may not generate languages, strictly…

This paper discusses the development of children's communicative abilities in relation to three models: the psycholinguistic model, which posits that grammatical competence is achieved through children's innate ability to abstract linguistic rules and apply them in creating sentences; the Bernstein hypothesis, which holds that not everyone…

Discusses the inadequacies of the linguistic development theory called cognitive determinism and suggests instead the linguistic input hypothesis. Concludes that it is not either cognitive development or linguistic input that determines linguistic growth, but an interaction between them. (RM)

Disagrees with Ellis's claim (1996) that learning the grammatical word class of a particular word, and learning grammatical structures more generally, involves in "large part" the automatic implicit analysis of the word's sequential position. The article maintains that some grammatical acquisition, but not "vast amounts," derives from the analysis…

Applies a categorical framework for relating compounds and metaphors to a discussion of the aspects of children's development of preferred and metaphoric compounds. Results indicate that preferred compounds serve the function of being conceptually precise, while preferred metaphors serve "suggestive" functions. (Author/CB)