Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R: A study of children and adolescents with hemophilia and male siblings without hemophilia

Patricia A. Sirois; Michael Posner; James A. Stehbens; Katherine A. Loveland; Sharon Nichols; Sharyne M. Donfield; Terece S. Bell; Suzanne D. Hill; Nancy Amodei

doi:10.1093/jpepsy/27.2.121

Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R: A study of children and adolescents with hemophilia and male siblings without hemophilia

Patricia A. Sirois, Michael Posner, James A. Stehbens, Katherine A. Loveland, Sharon Nichols, Sharyne M. Donfield, Terece S. Bell, Suzanne D. Hill, Nancy Amodei

Pediatrics

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Objective: To quantify practice effects associated with annual administrations of WISC-R and WAIS-R in children and adolescents with and without hemophilia. Methods: Participants were young men (age: 7-19; 80 with hemophilia, 30 siblings) enrolled in the Hemophilia Growth and Development Study. Participants with hemophilia completed age-appropriate Wechsler scales at baseline and at four annual follow-ups; the siblings, at baseline and one 2-year follow-up. Regression analyses were used to quantify average changes in scores, adjusting for variables related to test performance. Results: Consecutive annual evaluations were free of significant practice effects for 4 years with the Verbal Scale and for 2 years with the Performance Scale. VIQ decreased, and PIQ increased over time. Baseline VIQ was related to changes in VIQ; baseline PIQ and number of test-specific retests were related to changes in PIQ. Conclusions: The findings support use of Wechsler scales for annual evaluations to monitor cognitive development in children and adolescents.

Original language	English (US)
Pages (from-to)	121-131
Number of pages	11
Journal	Journal of Pediatric Psychology
Volume	27
Issue number	2
DOIs	https://doi.org/10.1093/jpepsy/27.2.121
State	Published - 2002

Keywords

Chronic illness
Longitudinal assessment
Retest effects
Sibling comparisons
WAIS-R
WISC-R

ASJC Scopus subject areas

Pediatrics, Perinatology, and Child Health
Developmental and Educational Psychology

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Sirois, P. A., Posner, M., Stehbens, J. A., Loveland, K. A., Nichols, S., Donfield, S. M., Bell, T. S., Hill, S. D., & Amodei, N. (2002). Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R: A study of children and adolescents with hemophilia and male siblings without hemophilia. Journal of Pediatric Psychology, 27(2), 121-131. https://doi.org/10.1093/jpepsy/27.2.121

Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R : A study of children and adolescents with hemophilia and male siblings without hemophilia. / Sirois, Patricia A.; Posner, Michael; Stehbens, James A.; Loveland, Katherine A.; Nichols, Sharon; Donfield, Sharyne M.; Bell, Terece S.; Hill, Suzanne D.; Amodei, Nancy.

In: Journal of Pediatric Psychology, Vol. 27, No. 2, 2002, p. 121-131.

Research output: Contribution to journal › Article › peer-review

Sirois, PA, Posner, M, Stehbens, JA, Loveland, KA, Nichols, S, Donfield, SM, Bell, TS, Hill, SD & Amodei, N 2002, 'Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R: A study of children and adolescents with hemophilia and male siblings without hemophilia', Journal of Pediatric Psychology, vol. 27, no. 2, pp. 121-131. https://doi.org/10.1093/jpepsy/27.2.121

Sirois, Patricia A. ; Posner, Michael ; Stehbens, James A. ; Loveland, Katherine A. ; Nichols, Sharon ; Donfield, Sharyne M. ; Bell, Terece S. ; Hill, Suzanne D. ; Amodei, Nancy. / Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R : A study of children and adolescents with hemophilia and male siblings without hemophilia. In: Journal of Pediatric Psychology. 2002 ; Vol. 27, No. 2. pp. 121-131.

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abstract = "Objective: To quantify practice effects associated with annual administrations of WISC-R and WAIS-R in children and adolescents with and without hemophilia. Methods: Participants were young men (age: 7-19; 80 with hemophilia, 30 siblings) enrolled in the Hemophilia Growth and Development Study. Participants with hemophilia completed age-appropriate Wechsler scales at baseline and at four annual follow-ups; the siblings, at baseline and one 2-year follow-up. Regression analyses were used to quantify average changes in scores, adjusting for variables related to test performance. Results: Consecutive annual evaluations were free of significant practice effects for 4 years with the Verbal Scale and for 2 years with the Performance Scale. VIQ decreased, and PIQ increased over time. Baseline VIQ was related to changes in VIQ; baseline PIQ and number of test-specific retests were related to changes in PIQ. Conclusions: The findings support use of Wechsler scales for annual evaluations to monitor cognitive development in children and adolescents.",

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Quantifying practice effects in longitudinal research with the WISC-R and WAIS-R: A study of children and adolescents with hemophilia and male siblings without hemophilia

Abstract

Keywords

ASJC Scopus subject areas

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