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Problems and limitations in studies on screening for language delay
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete och psykologi, Psykologi.
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 (Engelska)Ingår i: Research in Developmental Disabilities, ISSN 0891-4222, E-ISSN 1873-3379, Vol. 31, nr 5, s. 943-950Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2010. Vol. 31, nr 5, s. 943-950
Nyckelord [en]
Gold standard, Language delay, Language screening, Screening, Screening methodology, Verification bias
Nationell ämneskategori
Psykologi Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
Identifikatorer
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
Tillgänglig från: 2010-08-11 Skapad: 2010-08-11 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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