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A Systematic Review and Meta-Analysis of Predictors of Expressive-Language Outcomes Among Late Talkers.

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Title: A Systematic Review and Meta-Analysis of Predictors of Expressive-Language Outcomes Among Late Talkers.
Authors: Fisher, Evelyn L.1 efisher7@student.gsu.edu
Source: Journal of Speech, Language & Hearing Research. Oct2017, Vol. 60 Issue 10, p2935-2948. 14p. 4 Charts.
Subject Terms: *Language acquisition, *Delayed speech, *Speech disorders, *Statistical correlation, *ERIC (Information retrieval system), *Vocabulary, *Inter-observer reliability, Expressive language disorder, Psychology of preschool children, Chi-squared test, Psychology information storage & retrieval systems, MEDLINE, Meta-analysis, Health outcome assessment, Time, Systematic reviews, Socioeconomic factors, Effect sizes (Statistics), Data analysis software, Descriptive statistics
Abstract: Purpose: The purpose of this study was to explore the literature on predictors of outcomes among late talkers using systematic review and meta-analysis methods. We sought to answer the question: What factors predict preschool-age expressive-language outcomes among late-talking toddlers? Method: We entered carefully selected search terms into the following electronic databases: Communication & Mass Media Complete, ERIC, Medline, PsycEXTRA, Psychological and Behavioral Sciences and PsycINFO. We conducted a separate, random-effects model meta-analysis for each individual predictor that was used in a minimum of 5 studies. We also tested potential moderators of the relationship between predictors and outcomes using metaregression and subgroup analysis. Last, we conducted publication-bias and sensitivity analyses. Results: We identified 20 samples, comprising 2,134 children, in a systematic review. According to the results of the metaanalyses, significant predictors of expressive-language outcomes included toddlerhood expressive-vocabulary size, receptive language, and socioeconomic status. Nonsignificant predictors included phrase speech, gender and family history. Conclusions: To our knowledge this is the first synthesis of the literature on predictors of outcomes among late talkers using meta-analysis. Our findings clarify the contributions of several constructs to outcomes and highlight the importance of early receptive language to expressive-language development. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: A Systematic Review and Meta-Analysis of Predictors of Expressive-Language Outcomes Among Late Talkers.
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  Data: <searchLink fieldCode="AR" term="%22Fisher%2C+Evelyn+L%2E%22">Fisher, Evelyn L.</searchLink><relatesTo>1</relatesTo><i> efisher7@student.gsu.edu</i>
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  Data: *<searchLink fieldCode="DE" term="%22Language+acquisition%22">Language acquisition</searchLink><br />*<searchLink fieldCode="DE" term="%22Delayed+speech%22">Delayed speech</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech+disorders%22">Speech disorders</searchLink><br />*<searchLink fieldCode="DE" term="%22Statistical+correlation%22">Statistical correlation</searchLink><br />*<searchLink fieldCode="DE" term="%22ERIC+%28Information+retrieval+system%29%22">ERIC (Information retrieval system)</searchLink><br />*<searchLink fieldCode="DE" term="%22Vocabulary%22">Vocabulary</searchLink><br />*<searchLink fieldCode="DE" term="%22Inter-observer+reliability%22">Inter-observer reliability</searchLink><br /><searchLink fieldCode="DE" term="%22Expressive+language+disorder%22">Expressive language disorder</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology+of+preschool+children%22">Psychology of preschool children</searchLink><br /><searchLink fieldCode="DE" term="%22Chi-squared+test%22">Chi-squared test</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology+information+storage+%26+retrieval+systems%22">Psychology information storage & retrieval systems</searchLink><br /><searchLink fieldCode="DE" term="%22MEDLINE%22">MEDLINE</searchLink><br /><searchLink fieldCode="DE" term="%22Meta-analysis%22">Meta-analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Health+outcome+assessment%22">Health outcome assessment</searchLink><br /><searchLink fieldCode="DE" term="%22Time%22">Time</searchLink><br /><searchLink fieldCode="DE" term="%22Systematic+reviews%22">Systematic reviews</searchLink><br /><searchLink fieldCode="DE" term="%22Socioeconomic+factors%22">Socioeconomic factors</searchLink><br /><searchLink fieldCode="DE" term="%22Effect+sizes+%28Statistics%29%22">Effect sizes (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink>
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  Data: Purpose: The purpose of this study was to explore the literature on predictors of outcomes among late talkers using systematic review and meta-analysis methods. We sought to answer the question: What factors predict preschool-age expressive-language outcomes among late-talking toddlers? Method: We entered carefully selected search terms into the following electronic databases: Communication & Mass Media Complete, ERIC, Medline, PsycEXTRA, Psychological and Behavioral Sciences and PsycINFO. We conducted a separate, random-effects model meta-analysis for each individual predictor that was used in a minimum of 5 studies. We also tested potential moderators of the relationship between predictors and outcomes using metaregression and subgroup analysis. Last, we conducted publication-bias and sensitivity analyses. Results: We identified 20 samples, comprising 2,134 children, in a systematic review. According to the results of the metaanalyses, significant predictors of expressive-language outcomes included toddlerhood expressive-vocabulary size, receptive language, and socioeconomic status. Nonsignificant predictors included phrase speech, gender and family history. Conclusions: To our knowledge this is the first synthesis of the literature on predictors of outcomes among late talkers using meta-analysis. Our findings clarify the contributions of several constructs to outcomes and highlight the importance of early receptive language to expressive-language development. [ABSTRACT FROM AUTHOR]
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  Group: Ab
  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=125767193
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        Value: 10.1044/2017_JSLHR-L-16-0310
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Language acquisition
        Type: general
      – SubjectFull: Delayed speech
        Type: general
      – SubjectFull: Speech disorders
        Type: general
      – SubjectFull: Statistical correlation
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      – SubjectFull: ERIC (Information retrieval system)
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      – SubjectFull: Vocabulary
        Type: general
      – SubjectFull: Inter-observer reliability
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      – SubjectFull: Expressive language disorder
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      – SubjectFull: Psychology of preschool children
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      – SubjectFull: Chi-squared test
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      – SubjectFull: Psychology information storage & retrieval systems
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      – SubjectFull: Meta-analysis
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      – SubjectFull: Systematic reviews
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      – SubjectFull: Data analysis software
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      – SubjectFull: Descriptive statistics
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      – TitleFull: A Systematic Review and Meta-Analysis of Predictors of Expressive-Language Outcomes Among Late Talkers.
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              Text: Oct2017
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              Y: 2017
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