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The behavior problems inventory-short form for individuals with intellectual disabilities : Part II: reliability and validity
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Rojahn, J., Rowe, E. W., Sharber, A. C., Hastings, Richard P., Matson, J. L., Didden, R., Kroes, D. B. H. and Dumont, E. L. M. (2012) The behavior problems inventory-short form for individuals with intellectual disabilities : Part II: reliability and validity. Journal of Intellectual Disability Research, Volume 56 (Number 5). pp. 546-565. doi:10.1111/j.1365-2788.2011.01506.x ISSN 0964-2633.
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Official URL: http://dx.doi.org/10.1111/j.1365-2788.2011.01506.x
Abstract
Background:
The Behavior Problems Inventory-01 (BPI-01) is an informant-based behaviour rating instrument for intellectual disabilities (ID) with 49 items and three sub-scales: Self-injurious Behavior, Stereotyped Behavior and Aggressive/Destructive Behavior. The Behavior Problems Inventory-Short Form (BPI-S) is a BPI-01 spin-off with 30 items.
Methods:
The psychometric properties of these two versions of the scale were computed using aggregated archival data from nine different sites in the USA, Wales, England, the Netherlands and Romania with a total of 1122 cases with a BPI-01 total score >0.
Results:
The internal consistency of the BPI-01 and the BPI-S ranged from fair to excellent with the BPI-01 showing slightly stronger reliability. Construct validity (confirmatory and discriminant) was computed by comparing BPI sub-scale scores with the scores of four other behaviour rating scales (the Aberrant Behavior Checklist, the Diagnostic Assessment for the Severely Handicapped-II, the Nisonger Child Behavior Rating Form and the Inventory for Client and Agency Planning). Strong evidence for confirmatory and discriminant validity was found for both the BPI-01 and the BPI-S. Confirmatory fit indices for the BPI and the BPI-S were comparable and suggesting that the factor structures fit the data well.
Conclusion:
In summary, both BPI versions were found to be equally sound psychometrically and can be endorsed for future use. However, independent future studies are needed to replicate the psychometrics of the BPI-S with new data.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Social Sciences > Centre for Educational Development, Appraisal and Research (CEDAR) | ||||
Journal or Publication Title: | Journal of Intellectual Disability Research | ||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
ISSN: | 0964-2633 | ||||
Official Date: | May 2012 | ||||
Dates: |
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Volume: | Volume 56 | ||||
Number: | Number 5 | ||||
Page Range: | pp. 546-565 | ||||
DOI: | 10.1111/j.1365-2788.2011.01506.x | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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