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Agreement Between Bayley-III Measurements and WISC-IV Measurements in Typically Developing Children
Umeå University, Faculty of Medicine, Department of Clinical Sciences. Uppsala University, Sweden.
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2019 (English)In: Journal of Psychoeducational Assessment, ISSN 0734-2829, E-ISSN 1557-5144, Vol. 37, no 5, p. 603-616Article in journal (Refereed) Published
Abstract [en]

The study aim was to explore the relationship between a developmental assessment at preschool age and an intelligence quotient (IQ) assessment at school age. One hundred sixty-two children were assessed at 2.5 years with the Bayley Scales of Infant and Toddler Development-Third Edition (Bayley-III) and then at 6.5 years with the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV). The Bayley-III Cognitive Index score was the Bayley entity that showed the highest correlation with WISC-IV Full-Scale IQ (FSIQ; r = .41). There was a significant difference between the individual WISC-IV FSIQ and the Bayley-III Cognitive Index scores. Analyses showed an average difference of -4 units and 95% limits of agreement of -18.5 to 26.4 units. A multivariate model identified the Bayley-III Cognitive Index score as the most important predictor for FSIQ and General Ability Index (GAI), respectively, in comparison with demographic factors. The model explained 24% of the total FSIQ variation and 26% of the GAI variation. It was concluded that the Bayley-III measurement was an insufficient predictor of later IQ.

Place, publisher, year, edition, pages
Sage Publications, 2019. Vol. 37, no 5, p. 603-616
Keywords [en]
developmental assessment, Wechsler tests, intelligence, cognition, assessment, preschool, rticipants, scale development, testing, measurement
National Category
Pediatrics Psychology
Identifiers
URN: urn:nbn:se:umu:diva-162873DOI: 10.1177/0734282918781431ISI: 000480632800006OAI: oai:DiVA.org:umu-162873DiVA, id: diva2:1348842
Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-09-05Bibliographically approved

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Serenius, Fredrik

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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