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Problems and limitations in studies on screening for language delay
University of Gävle, Faculty of Health and Occupational Studies, Department of Social Work and Psychology, Psychology.
Central Unit for Child Health Care, Department of Women's and Children's Health, Uppsala University, Children's Hospital, Uppsala, Sweden.
Division of Speech and Language Pathology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
2010 (English)In: Research in Developmental Disabilities, ISSN 0891-4222, E-ISSN 1873-3379, Vol. 31, no 5, p. 943-950Article in journal (Refereed) Published
Abstract [en]

This study discusses six common methodological limitations in screening for language delay (LD) as illustrated in 11 recent studies. The limitations are (1) whether the studies define a target population, (2) whether the recruitment procedure is unbiased, (3) attrition, (4) verification bias, (5) small sample size and (6) inconsistencies in choice of "gold standard". It is suggested that failures to specify a target population, high attrition (both at screening and in succeeding validation), small sample sizes and verification bias in validations are often caused by a misguided focus on screen positives (SPs). Other limitations are results of conflicting methodological goals. We identified three such conflicts. One consists of a dilemma between unbiased recruitment and attrition, another between the comprehensiveness of the applied gold standard and sample size in validation and the third between the specificity of the gold standard and the risk of not identifying co-morbid conditions.

Place, publisher, year, edition, pages
2010. Vol. 31, no 5, p. 943-950
Keyword [en]
Gold standard, Language delay, Language screening, Screening, Screening methodology, Verification bias
National Category
Psychology Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:hig:diva-7323DOI: 10.1016/j.ridd.2010.04.019ISI: 000278842100001PubMedID: 20483561Scopus ID: 2-s2.0-77953363144OAI: oai:DiVA.org:hig-7323DiVA, id: diva2:342828
Available from: 2010-08-11 Created: 2010-08-11 Last updated: 2018-03-13Bibliographically approved

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Eriksson, Mårten

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CiteExportLink to record
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Citation style
  • apa
  • harvard-cite-them-right
  • ieee
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  • vancouver
  • Other style
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  • sv-SE
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  • en-US
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  • de-DE
  • Other locale
More languages
Output format
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