This study of the understanding of the words "and" and "or" in children, ages 2-7 1/2, indicates that "and" is used to express enumeration, and "or" to express alternatives, and that most children's responses are correct at age 4 and beyond. Differences between the linguistic and logical meaning of connection are discussed. (Author/LLK)

Infants learn their language by first determining, independent of language, the meaning which a speaker intends to convey to them, and by then working out the relationship between the meaning and the expression they heard. (Author)

This study was conducted to examine the acquisition of the meaning of the temporal conjunctions "before" and "after." The initial hypothesis was that in the acquisition of a word, the child learns its semantic components one at a time. The subjects were 40 school children attending the Bing Nursery School at Stanford…

It is the contention here that the "prelinguistic" period is an important phase of the language acquisition process. Accordingly the research reported represents an attempt to begin mapping out the types of linguistically relevant information to which a young child attends. Specifically it is hypothesized that young children are…

Active and passive sentences were presented with probable and improbable semantic content to 100 first graders and 100 kindergartners. "Irreversible" sentences were considered improbable. In a design employing syntax, probability, grade, and sex as factors, probability and syntax were found significant both as main effects and in their…

The major purpose of this paper is to initiate discussion on the validity of systematic phonemics in the area of language acquisition. This is not an attempt to write a phonology, but rather an outline of some theoretical and formal devices that may be used for gaining insight into the phonological system of the child. An evaluation procedure…

A phenomenon called "pragmatic variation" is discussed as a child's individual system of behavior in response to a question the child doesn't understand but realizes that he must verbalize an answer to. (NCR)

Five experiments are carried out to determine the comprehension of passives by children. Results obtained demonstrate that comprehension rests on knowledge of syntactic structure. V - NP were interpreted as verb-object. Passives lacking a preposition were interpreted as actives. Competence in passives may be at a high level before performance is…

A total of 224 subjects participated in a study to determine how children and adults comprehend logical connectives. Specifically, the study examined the effects of age, content, and practice on the encoding and combination of logical relationships expressed by six types of logical connectives: conjunction, disjunction, conditionality,…

This study of language development was intended to chart the developmental course of the spontaneous use of negatives and affirmatives by 1 1/2 - 3-year-olds in response to true or false statements concerning familiar objects, properties, and actions. Forty children, 18, 24, 30, and 36 months of age, were assessed for knowledge of the words used…

A study was conducted to compare the relative performance on yes-no questions of bilingual and monolingual children and to discuss the relationship of semantic development and linguistic development, both in the bilinguals and monolinguals. Eighteen English monolingual, eighteen Japanese monolingual, and eighteen Japanese-English bilingual…

Most studies of language acquisition overlook the fact that a child learns language in the context of acquiring the social skill of conversing known as "turn-taking." The few studies of verbal turn-taking in children suggest that prosodic features (suprasegmentals) and turn-taking skills are integrated by the age of two years, nine months, and…

This paper examines certain of the cues to surface constituency that are salient to children in the comprehension of syntactic structure. Accessibility is studied through a set of experiments requiring seven-year-old children to repeat certain syntactic constituents. These children can correctly identify subjects and also predicate phrases with…