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Direct linkPezzuti, L.; Nacinovich, R.; Oggiano, S.; Bomba, M.; Ferri, R.; La Stella, A.; Rossetti, S.; Orsini, A. – Journal of Intellectual Disability Research, 2018
Background: Individuals with Down syndrome generally show a floor effect on Wechsler Scales that is manifested by flat profiles and with many or all of the weighted scores on the subtests equal to 1. Method: The main aim of the present paper is to use the statistical Hessl method and the extended statistical method of Orsini, Pezzuti and Hulbert…
Descriptors: Intelligence Tests, Children, Down Syndrome, Raw Scores
Orsini, A.; Pezzuti, L.; Hulbert, S. – Journal of Intellectual Disability Research, 2015
Background: It is now widely known that children with severe intellectual disability show a 'floor effect' on the Wechsler scales. This effect emerges because the practice of transforming raw scores into scaled scores eliminates any variability present in participants with low intellectual ability and because intelligence quotient (IQ) scores are…
Descriptors: Severe Mental Retardation, Raw Scores, Scores, Foreign Countries
Smits, D. W.; Ketelaar, M.; Gorter, J. W.; van Schie, P. E.; Becher, J. G.; Lindeman, E.; Jongmans, M. J. – Journal of Intellectual Disability Research, 2011
Background: Children with cerebral palsy (CP) are at greater risk for a limited intellectual development than typically developing children. Little information is available which children with CP are most at risk. This study aimed to describe the development of non-verbal intellectual capacity of school-age children with CP and to examine the…
Descriptors: Cerebral Palsy, Nonverbal Ability, Children, Intellectual Development
Pueyo, R.; Junque, C.; Vendrell, P.; Narberhaus, A.; Segarra, D. – Journal of Intellectual Disability Research, 2008
Background: Cognitive dysfunction is frequent in Cerebral Palsy (CP). CP motor impairment and associated speech deficits often hinder cognitive assessment, with the result being that not all CP studies consider cognitive dysfunction. Raven's Coloured Progressive Matrices is a simple, rapid test which can be used in persons with severe motor…
Descriptors: Cerebral Palsy, Memory, Raw Scores, Cognitive Development
