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PubMed2006

The dimensionality of language ability in school-age children.

PURPOSE: This study asked if children's performance on language tests reflects different dimensions of language and if this dimensionality changes with development. METHOD: Children were given standardized language batteries at kindergarten and at second, fourth, and eighth grades. A revised modified parallel analysis was used to determine the dimensionality of these items at each grade level. A confirmatory factor analysis was also performed on the subtest scores to evaluate alternate models of dimensionality. RESULTS: The revised modified parallel analysis revealed a single dimension across items with evidence of either test specific or language area specific minor dimensions at different ages. The confirmatory factor analysis tested models involving modality (receptive or expressive) and domain (vocabulary or sentence use) against a single-dimension model. The 2-dimensional model involving domains of vocabulary and sentence use fit the data better than the single-dimensional model; however, the single-dimension model also fit the data well in the lower grades. CONCLUSIONS: Much of the variance in standardized measures of language appears to be attributable to a single common factor or trait. There is a developmental trend during middle childhood for grammatical abilities and vocabulary abilities to become differentiated. These measures do not provide differential information concerning receptive and expressive abilities.

Aptitude↗
PubMed1975

The expressive portion of the NSST compared to a spontaneous language sample.

This study was undertaken to determine the relationship between syntactic structures produced on the expressive portion of the NSST and those produced in a spontaneous language sample. The NSST was administered to 12 children previously diagnosed as delayed in language. In addition, spontaneous language samples were collected by a speech clinician and by the child's mother. The children ranged in age from four years one month to five years 11 months. We found that 30 percent of those syntactic structures incorrectly produced on the NSST were correctly produced spontaneously in the language sample. Furthermore, the sample obtained by the clinician was significantly richer in terms of number of structures produced correctly than the sample collected by the mother. Overall results indicate that an item analysis of the expressive portion of the NSST does not present an accurate representation of the child's language performance and therefore cannot be interpreted beyond its stated purpose, namely that of a screening instrument.

California↗
PubMed1977

The verbal environment of a language-impaired child.

A child with a language handicap presents a potential conflict for the adults with whom he interacts. In terms of age and physical development, he may present cues that ordinarily elicit complex speech from adults. His language performance, however, may be comparable to that of a much younger child. This study involves a detailed analysis of the speech addressed to a 4.7-year-old language-impaired boy and to his normal-speaking female cousin (4.6 years) by the boy's mother, father, and baby-sitter. Each adult interacted with each child in a five-minute free play and a five-minute story-telling situation. Quantitative measures of the speech of the adults included word rate, disfluencies, type-token ratio, and mean length of response. There was a strong tendency to present the language-impaired child with fluent, short, and simple sentence patterns, as compared to his peer. Qualitative analyses of sentence types again showed that simplifications were made in speech to the boy, and that the adults used sequential sets of sentences with the language-handicapped child that were similar to those used by mothers of normal, but much younger children.

Adult↗
PubMed1985

Use of abstracts, orientations, and codas in narration by language-disordered and nondisordered children.

In this study language-disordered and nondisordered children viewed a nonverbal film, wrote the story, and narrated it to language-disordered and nondisordered peers who were unfamiliar with the film. The narratives were analyzed for the use of abstracts, orientations (background information), and codas. Language-disordered children made fewer references to the orientation clauses of props and activities than nondisordered children. Neither group modified their language in the areas examined to take into account the communicative status of their listeners. Therapeutic implications for the language-disordered children are presented as are suggestions for future research.

Child↗
PubMed1987

Cognitive strengths and weaknesses in language-impaired children: one more look.

The hypothesis-testing abilities of 15 language-impaired and 15 normally developing children matched for mental age were investigated using discrimination-learning tasks. The subjects in both groups were presented with two sets of discrimination-learning problems. One set of problems featured explicit input concerning the correct response choice. The other set of problems featured nonexplicit input. The results revealed both differences in the performance of the MA-matched and language-impaired children and differences in performance on the two types of problems. The children in both groups solved more of the explicit input problems than the nonexplicit input problems. In addition, the MA-matched children performed significantly better than the language-impaired children, particularly on the nonexplicit problems. The findings suggested that the language-impaired children exhibited deficits in solving discrimination-learning problems. The deficits exhibited by the language-impaired children seemed related to deficits in their ability to encode information.

Child↗
PubMed1988

Longitudinal changes in auditory discrimination in normal children and children with language-learning problems.

Two groups of children--one progressing normally in school and the other exhibiting language-learning problems--were tested in each of 3 years on a set of fine-grained auditory discrimination tasks that required listening for small acoustic differences. Children's ages ranged from 6 to 9 years; there were 21 children per group. The children with language-learning problems, despite having normal intelligence and normal pure-tone sensitivity, showed poorer auditory discrimination than normal children for temporally based acoustic differences. This effect continued across the 3 years. Children with language-learning problems also exhibited poorer receptive vocabulary and language performance as well as more deviations from standard Midwest articulation than children making normal progress in school. All children had hearing within the normal range, but at some frequencies there was a significant association of pure-tone sensitivity with performance on the auditory discrimination, receptive language, and speech production tasks.

Auditory Perception↗
PubMed1990

Bias effects of socioeconomic status and sex in decision making in speech-language pathology.

Within the area of speech-language pathology there is a paucity of literature that specifically addresses the issue of bias in the referral, assessment, and placement of children in programs for the remediation of speech-language disorders. The purpose of this study was to examine the issue of bias [i.e., sex and socioeconomic status (SES)] as it related to decision making in speech-language pathology. Certified speech-language pathologists completed a questionnaire survey in which information regarding the referral and assessment of a hypothetical case study child was presented. Only the sex of the child and the parents' occupations were varied. Factor analysis and subsequent analyses of variance revealed a significant difference with regard to the SES main effect (p less than .006) for Factor 2 (Alternative Home and School Intervention Strategies). That is, it was found that regardless of sex, low SES children were viewed as more likely than high SES children to be recommended for alternative home and school intervention strategies for the remediation of speech-language delays.

Attitude of Health Personnel↗
PubMed1990

Maternal recasts and other contingent replies to language-impaired children.

Mothers' recasts and other contingent replies to their children's utterances were examined in two groups of mother-child dyads. In one group there were 14 dyads that contained language-impaired children; in the other there were 14 dyads that contained non-language-impaired children. Results indicated that mothers' overall use of recasts, as well as other contingent replies, was highly similar for the two groups, except that complex recasts were used more often by the mothers of non-language-impaired children. Differences in discourse functions were also observed. Mothers of language-impaired children used recasts less often than mothers of non-language-impaired children to respond to, or request clarification of, their children's utterances. Further, they more often used such replies to serve the functions of information requests, assertion, or direction. Recasts were also found to vary in relation to observed differences in children's intelligibility and in contrasting patterns of dialogue initiation for the two kinds of dyads.

Child, Preschool↗
PubMed1976

Semantic relations used by normal and language-impaired children at stage I.

Two-word utterances of four language-impaired children at Brown's Stage I level of linguistic development were compared with two-word utterances of four young normal children at the same linguistic level to determine any differences between the two groups in the use of a set of 10 basic semantic relations. Type-token ratios for each semantic relation were used to compare use of semantic relations between groups. A significant difference was obtained for only one relation, with the language-impaired group demonstrating greater diversity in the use of the introducer + entity relation than the normal group. The findings indicated that at Stage I level of linguistic development, the language-impaired children demonstrated a linguistic system no different than the system of normal Stage I children. The findings are discussed relative to possible cognitive and linguistic strategies involved in language acquisition. It is suggested that some language-impaired children rather than being deficient in their ability to understand and code the basic semantic relations demonstrate a deficit in the higher, more complex aspects of the linguistic coding system.

Child, Preschool↗
PubMed1985

Creative language abilities of deaf children.

The language flexibility and creativity of deaf children was investigated by having four deaf and four hearing 12-15-year-olds generate stories to experimenter-supplied themes. These were videotaped and examined for instances of nonliteral communication. Contrary to previous claims that deaf children are extremely rigid and literal in their language use, subjects here showed considerable use of creative language devices when evaluated in sign rather than vocal language. Deaf students produced traditional types of figurative contructions at a rate equal to their hearing age-mates and surpassed them in four other categories of nonliteral expression. These findings are discussed in terms of the cognitive skills required for and reflected by figurative language use and common assumptions concerning deaf children's related abilities.

Adolescent↗
PubMed1985

Linguistic environment of the deaf child: a focus on teachers' use of nonliteral language.

Teachers' communication with deaf and hearing children was compared to identify differences in the teachers' use of two types of nonliteral language: idiomatic language and indirect requests. Two groups of teachers of the deaf were observed, one using oral language only and the other using Total Communication. A third group consisted of teachers of normally hearing children. No differences were found in teachers' use of nonliteral language when talking to hearing children as compared to teachers talking to oral deaf children. Reduced use of idiomatic language occurred, in both the oral and signed portions of communication, only when Total Communication was used. No differences were observed in the oral portion of the three groups' use of indirect requests. However, only 55% of these requests were encoded nonliterally in the signed portion of utterances.

Age Factors↗
PubMed1991

Verb particle and preposition acquisition in language-impaired preschoolers.

This study examined the acquisition of verb particles and prepositions in language-impaired, language-matched, and age-matched preschool children. A videotape experimental task, in which subjects viewed and described brief action sequences, was implemented. The videotape task included particle, preposition, full noun phrase, and pronoun noun phrase items for six different particle/preposition words. Primary results indicated that the use of verb particles constituted a particularly challenging linguistic task for the language-impaired subjects relative to both their age- and language-matched peers. These results suggest multiple sources of difficulty for language-impaired children in the acquisition of grammatical form classes. Lexical and grammatical difficulties, as well as possible processing limitations, are implicated.

Child Language↗
PubMed1994

Language acquisition after mutism: a longitudinal case study of autism.

This longitudinal case study challenges the assumption that individuals with autism who have severely restricted speech and language skills have a poor prognosis for further development of expressive oral language. The study follows the development of a woman with autism from mutism at age 10 to acquisition of a range of spoken and written language skills at age 26. The intervention in which the woman participated and her skills pre- and post-intervention and at two follow-up assessments are documented. The results support the hypotheses that speech and language development may proceed after mutism associated with limited verbal imitation and phoneme production skills, that some skills may plateau or decline, and that both spoken and written language may become viable forms of communication.

Adult↗
PubMed1995

Behavioral genetics: concepts for research and practice in language development and disorders.

This paper is an introduction to behavioral genetics for researchers and practitioners in language development and disorders. The specific aims are to illustrate some essential concepts and to show how behavioral genetic research can be applied to the language sciences. Past genetic research on language-related traits has tended to focus on simple etiology (i.e., the heritability or familiality of language skills). The current state of the art, however, suggests that great promise lies in addressing more complex questions through behavioral genetic paradigms. In terms of future goals it is suggested that: (a) more behavioral genetic work of all types should be done--including replications and expansions of preliminary studies already in print; (b) work should focus on fine-grained, theory-based phenotypes with research designs that can address complex questions in language development; and (c) work in this area should utilize a variety of samples and methods (e.g., twin and family samples, heritability and segregation analyses, linkage and association tests, etc.).

Environment↗
PubMed1998

Concurrent and predictive validity of an early language screening program.

The efficacy of screening 2-year-old children for language delay using a parent-report questionnaire was investigated in three studies. The Language Development Survey (Rescorla, 1989) was mailed to 650 families at the time of their child's second birthday. Fifty-three percent of the surveys received by parents were completed and returned. Screening outcomes were then compared, in double-blind fashion, with the results of comprehensive clinical evaluations at ages 2 (N = 64) and 3 (N = 36). Parents' report of the size of their children's expressive vocabularies was highly correlated with clinical language measures at age 2. Children who screened positive performed significantly poorer than children who screened negative on standardized language tests and on measures taken from spontaneous conversation. The screening program demonstrated excellent sensitivity and specificity for identifying language delay at age 2 but somewhat lower levels for predicting developmental status one year later.

Age Factors↗
PubMed2000

The use of syntactic cues in lexical acquisition by children with SLI. Specific Language Impairment.

This study investigated the syntactic bootstrapping abilities of children who differed by language abilities and age. In the first study, the performance of 5-year-old children with Specific Language Impairment (SLI) was compared to that of two groups of typically developing children-one of equivalent language levels, as indexed by mean length of utterance (MLU), and the other of equivalent chronological age. In the second study, two groups of 7-year-old children, one whose language was developing typically and one with SLI, were involved. The count/mass distinction was used as the basis for the experimental tasks. A videotaped story was used to present the novel count and mass words, with syntactic cues in one condition and with neutral syntax in another. Results from the first study revealed that only the 5-year-old nonaffected control children showed evidence of using the syntactic cues. The 5-year-old SLI group and 3-year-old control group achieved comparable scores. However, error analyses suggested that different factors were operative in the two groups. The second study revealed that there was continued growth into the early school years for children with SLI and children whose language was developing typically.

Child↗
PubMed2003

A 12-month follow-up of preschool children investigating the natural history of speech and language delay.

AIM: The aim of this paper is to examine the natural history of early speech and language delay in preschool children over a 12-month period. METHODS: The study reports data on 69 children under the age of 3.5 years who were referred for speech and language therapy because of early speech and language delay. The children were monitored over a 12-month period but received no direct intervention during that time. Assessment of their comprehension, expressive language and their phonology took place at baseline and again at 6 and 12 months after baseline. RESULTS: The results show a general picture of improvement, although there was considerable individual variation. By the end of the 12 months, two-thirds of the children were still eligible on the study intake criteria. Therapist's rating of a child's functional communication at the outset was a significant predictor of the child's outcome at the end of the 12-month period. DISCUSSION: The paper discusses the appropriateness of a 'monitoring' approach to the management of early language delay and highlights the need to consider the social issues and views of parents as well as the severity of a child's difficulties.

Articulation Disorders↗
PubMed2001

Reading comprehension: a language intervention target from early childhood through adolescence.

Speech-language pathologists (SLPs) play an important role in helping children and adolescents with language impairments to construct meaning from spoken and written language. They work in collaboration with other professionals and families to provide the optimal learning experiences and to introduce strategies for seeking meaning and monitoring understanding. This article describes language intervention techniques to enhance reading comprehension, including the development and enhancement of background knowledge and schemata, vocabulary, knowledge of text structure, and strategy use. The discussion includes suggestions for young children who are developing language comprehension, as well as for elementary students and secondary students who comprehend text with increasing independence.

Adolescent↗