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Error in the measurement of low intellectual ability:Implications for research

Whitaker, Simon and Laird, Carmen (2011) Error in the measurement of low intellectual ability:Implications for research. In: Joint Congress of the European Association for Mental Health in Intellectual Disability & IASSID Challenging Behaviour & Mental Health SIRG Conference, 1st - 3rd September 2011, Manchester, UK. (Unpublished)

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Recent work has shown that there is more error in the measurement of low IQ than has previously been acknowledged, notably: poor stability, a floor effect, the Flynn effect and large disparities between different tests.

In order to assess the degree to which these errors impact on scientific studies all the papers in two leading journals on intellectual disability, the Journal of Applied Research on Intellectual Disability and the American Journal on Mental Retardation, for the year 2008, were read and use of intellectual assessments noted.

It was found that the majority of the papers referred to the concept of intelligence. However, only a few papers acknowledged that there may be some additional error in its measurement or considered how these errors may affect the results of the study being reported on.

It is consider how these errors could affect scientific studies into intellectual disabilities by reducing correlations, making significant results less likely and making it possible for incorrect conclusions to be reached by assuming that the results of different IQ tests are equivalent.

Item Type: Conference or Workshop Item (Paper)
Subjects: R Medicine > R Medicine (General)
Schools: School of Human and Health Sciences
School of Human and Health Sciences > Centre for Applied Psychological Research
School of Human and Health Sciences > Centre for Health and Social Care Research
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Depositing User: Cherry Edmunds
Date Deposited: 05 Sep 2011 09:10
Last Modified: 28 Aug 2021 21:18


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