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At least 19 recordsLinked to original sources
PubMed1998

Treatment research in speech, language and swallowing: lessons from child language disorders.

Three major types of treatment research methodologies are described. Studies on child language intervention are reviewed as examples of trends and methodological issues characterizing treatment research in speech, language, and swallowing within the last 2-3 decades. Principles are drawn from that literature and suggestions for future directions are discussed with particular attention to recent efforts to support clinical trials and treatment outcomes research.

Child Language↗
PubMed1989

Alternative explanations for the relationship between maternal verbal interaction style and child language development.

The present study analysed formerly unexamined indirect routes for relationships between time 1 maternal speech and later child language development. Ten normally developing children in Brown's early stage 1 and their mothers were the subjects. For each dyad, two free-play sessions occurring five months apart were videotaped in the subjects' homes. Mothers' pragmatic language use was coded from time 1 sessions. Child language level was coded at both sessions. Even though time 1 scores of the outcome were controlled, seven of the ten relationships involving mother speech and child language development were indirectly related through one of two time 1 child language measures. The results indicate that a mother-driven, direct influence model may be inappropriate for many mother speech-child language development relationships. We argue that child-driven and mother-driven explanatory models for the indirect relationships are equally feasible.

Adult↗
PubMed1990

The Child Language Data Exchange System: an update.

In a previous issue of this Journal, MacWhinney & Snow (1985) laid out the basic sketch for an international system for exchanging and analysing child language transcript data. This system--the Child Language Data Exchange System (CHILDES)--has developed three major tools for child language research: (1) the CHILDES database of transcripts, (2) the CHAT system for transcribing and coding data, and (3) the CLAN programs for analysing CHAT files. Here we sketch out the current shape of these three major tools and the organizational form of the CHILDES system. A forthcoming book (MacWhinney, in press) documents these tools in detail.

Child↗
PubMed2001

Does agrammatic speech constitute a regression to child language? A three-way comparison between agrammatic, child, and normal ellipsis.

When children are in the process of learning their mother tongue, they show frequent use of nonfinite clauses, even though they produce finite clauses at the same time, thereby demonstrating the availability of the functional domain associated with finiteness. In this study the hypothesis was tested that this behavior results from an overuse of the normal elliptical repertoire that has also been observed in agrammatic aphasia. The purpose of this overuse is prevention of computational overload. In support of the hypothesis it was found that children behaved very similar to aphasics and normal adults with respect to the following parameters: (a) distribution of types of ellipsis, (b) elaboration of ellipses, (c) word order, (d) subject omission, (e) frequency of weak subject pronouns, and (f) verb type (eventivity). The results also support the Jackson/Jakobson regression hypothesis, at least at the grammatical level.

Adult↗
PubMed1998

The study of child language in South Africa.

This paper describes some of the research into child language that has been conducted in South Africa over the past 20 years. It is written from a clinical perspective and it describes the influence of changing demographic, social, educational and political variables on the study of child language. Specifically, the influence of the multilingual and multicultural nature of the society will be considered. Among issues discussed are the increasing research base on the acquisition of normal language, the adaptation of assessment tools and language in education.

Child↗
PubMed2001

Root nonfinite and finite utterances in child language and agrammatic speech.

Root nonfinite structures are frequent in both child language and agrammatic speech. Moreover, root nonfinites seem to have quite similar properties in both types of speech. Although many accounts are available for child language this is not the case for agrammatic speech. I present data of a Dutch agrammatic patient in this paper. The properties of her root nonfinites are best accounted for by the assumption of an underspecified Tense Phrase licensed by an empty element. In her finite sentences a dummy Tense element shows up. The use of either an empty or a dummy Tense element is a way of reducing the processing load of the utterance. The speech of this patient shows a dissociation between the verbal and the nominal domain.

Aphasia, Broca↗
PubMed1999

Automated grammatical tagging of child language samples.

Recent studies of the automated grammatical categorization ("tagging") of words using probabilistic methods have reported substantial levels of accuracy-over 95% agreement with manual tagging for words from a variety of texts. However, the texts with which this method has been tested were written by adults and edited by publishers. The present study examined the accuracy with which such methods could tag transcribed conversational language samples from 30 normally developing children. On a word-by-word basis, automated accuracy levels ranged from 92.9% to 97.4%, averaging 95.1%. Accuracy at correctly tagging whole utterances was lower, ranging from 60.5% to 90.3%, with an average of 77.7%. Probabilistic methods of coding language samples hold potential as a viable tool for child language research. Further study and improvement of automated grammatical tagging is warranted and necessary before widespread use can be made of this technology.

Child↗
PubMed2002

Temporal and spatial concepts in child language: conventional and configurational.

The purpose of this research was to study the temporal and spatial systems of child language. Configurational time/space refers to the location of events/objects relative to referent events/objects (e.g., before/after or across/along) and conventional time/space refers to the specification of cycles/directions and the measurement of duration/distance (e.g., winter/fall or North/South). The research was designed to determine how configurational and conventional notions of time and space emerge in the child's language. The average age of the children in the cross-sectional design was: 3;9, 6:7, and 8:7. The children received a comprehension test that required them to match a sentence with a picture. In general, configurational contrasts were easier to comprehend than conventional contrasts, and, within the configurational problems, location requiring a single referent was easier than location requiring multiple referents. There was no overall difference between temporal and spatial dimensions. The role of conceptual development was discussed within the context of a comparison between first and second language acquisition.

Child↗
PubMed1989

On the developmental contour of child language: a reply to Smith & Weist.

A developmental perspective in child language research begins with a focus on the child and the processes that contribute to change in the child's knowledge of language. Developmental change occurs in an organized, systematic way, with later changes influenced at least in part by developments at an earlier time. The acquisition of tense and aspect provides a relevant example. Data previously published by Weist, Wysocka, Witkowska-Stadnik, Buczowska & Konieczna (1984) are reanalysed here to show, statistically, that children learning Polish are influenced by aspect in acquiring verb tense, just as children are in learning English, Italian, Hebrew, Turkish and other languages. Children beginning to learn verb infections find aspectual contour particularly compelling in leading them to learn tense distinctions.

Cross-Cultural Comparison↗
PubMedDate not supplied

Children of yesterday, today and tomorrow: global implications for child language.

The entire global population is waiting for new opportunities of the new millennium. This paper will report selected global trends; describe briefly children of yesterday, today and tomorrow; detail a case study explaining the multiple challenges of working with children in a multicultural environment and probe into the implications for the future of child language.

Child↗
PubMed1999

Relations among child language skills, maternal socialization of emotion regulation, and child behavior problems.

Research has linked language delays in young children to behavior problems and risk for psychopathology. We hypothesized that low language skill would affect normal socialization of emotion regulation, which in turn would affect the development of behavior problems. Seventy-eight mother/preschool-age child pairs participated in two mildly frustrating situations. Parents of children with low verbal comprehension used more unexplained compliance demands than other parents. Further, children whose parents used more unexplained compliance demands used fewer cognitive and distraction strategies, and more instrumental strategies. Children's use of physical self-comforting was positively related to overall, internalizing, and externalizing behavior problems. Findings supported the original hypothesis.

Adult↗
PubMed2003

The performance of South African English first language child speakers on a "low linguistically loaded" central auditory processing test protocol.

The lack of standardized tests for central auditory processing disorders (CAPD) in South Africa (SA) led to the formation of a SA CAPD Taskforce, and the interim development of a "Low Linguistically Loaded" CAPD test protocol using test recordings from the 'Tonal and Speech Materials for Auditory Perceptual Assessment Disc 2.0'. This study compared the performance of 50 SA English first language child speakers (aged 8 to 12 years of age) on this protocol, with the previously published American normative data of Bellis (1996, 2003). Results with respect to predicted pass criteria as calculated by mean-2SD cutoffs, suggested that the SA speakers performed of a lower level than the American speakers by an average of 5.3% per ear for the two pair dichotic digits test, 1.9 dB for the masking level difference test, 8.8% per ear for the frequency pattern test--humming report, 14.5% per ear for the frequency patterns test--verbal report, and 39.7% per ear for the low pass filtered speech test. Consequently, the Bellis (1996, 2003) data was not considered appropriate for immediate use as normative data in SA. Instead, the preliminary data provided in this study was recommended as interim normative data for SA English first language child speakers until larger scale SA normative data can be obtained.

Audiometry, Speech↗
PubMed1990

The decision-making process in child language assessment.

The task of assessing a child's language for the purpose of intervention requires the ability to interpret information from a variety of sources. Knowing how that information is to be used during therapy plays an important part in deciding what type of information needs to be collected and how it will be interpreted. There needs to be a plan that will assist the speech therapist in analysing and interpreting most of the data that would be needed when making therapy-related diagnostic statements. A systems approach offers concepts and methods for devising a plan which will outline the necessary decisions. The purpose of this paper is to present, in a flow chart, the questions that need to be asked in the process of assessing a child's language development for the purpose of intervention; to indicate the type of information that would be needed to answer the questions; to state how the information would be interpreted; to suggest the type of tools that would be needed to collect this information; and to outline how the information can be presented so that a greater quantity of data can be summarised and interpreted in a systematic manner.

Child↗