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| Affective Behavior | 2 |
| Arousal Patterns | 2 |
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| Pervasive Developmental… | 2 |
| Rating Scales | 2 |
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| Eaves, Ronald C. | 2 |
| Williams, Thomas O., Jr. | 2 |
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Direct linkWilliams, Thomas O., Jr.; Eaves, Ronald C. – Psychology in the Schools, 2005
The Pervasive Developmental Disorders Rating Scale (PDDRS; Eaves, 2003) is a rating scale that is used in the screening process for pervasive developmental disorders (PDD). The PDDRS contains three scales: Arousal, Affect, and Cognition. In this study, the construct validity of the PDDRS was examined with teacher ratings from a sample of 168…
Descriptors: Test Validity, Rating Scales, Pervasive Developmental Disorders, Factor Analysis
Eaves, Ronald C.; Williams, Thomas O., Jr. – Journal of Genetic Psychology, 2006
In this study, the authors examined the construct validity of the Pervasive Developmental Disorder Rating Scale (PDDRS; R. C. Eaves, 1993), which is a screening instrument used to identify individuals with autistic disorder and other pervasive developmental disorders. The PDDRS is purported to measure 3 factors--arousal, affect, and…
Descriptors: Pervasive Developmental Disorders, Construct Validity, Test Validity, Factor Structure
