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| Research in Developmental… | 1 |
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| Duker, Pieter C. | 1 |
| Sigafoos, Jeff | 1 |
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Peer reviewedDuker, Pieter C.; Sigafoos, Jeff – Research in Developmental Disabilities, 1998
The psychometric properties of the Motivation Assessment Scale were examined using 90 ratings of different problem behaviors among 86 individuals with mental retardation. Although reliability and internal consistency were generally poor, the results depended upon topographies of problem behavior and methods of calculation. The construct validity…
Descriptors: Adults, Behavior Problems, Behavior Rating Scales, Evaluation Methods
