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The Perceptual Organization Index is part of the Performance Scale of the Wechsler cognitive assessment measures, the Wechsler Intelligence Scale for Children, 3rd edition (WISC-III, 1991), and the Wechsler Adult Intelligent Scale, 3rd edition (WAIS-III, 1997). The POI measures visual-spatial organization and visual-motor skills within a time limit. For the WISC-III, the subtests Picture Completion, Picture Concepts, Block Design, and Object Assembly load onto the POI. For the WAIS-III, the subtests Picture Completion, Block Design, and Matrix Reasoning load onto the POI.
The WISC-III and WAIS-III are older versions of the Wechsler cognitive assessment measures, and have since been replaced by the WISC-IV (2003) and WAIS-IV (2008). For both the WISC-IV and the WAIS-IV, the Perceptual Organization Index has been renamed the Perceptual Reasoning Index (PRI). The PRI measures fluid reasoning (use of sequential, inductive, and deductive reasoning) and visual...
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References and Reading
Flanagan, D. P., & Kaufman, A. S. (2004). Essentials of WISC-IV assessment. New York: Wiley.
Sattler, J. M. (2002). Assessment of children: Behavioral and clinical applications (4th ed.). San Diego: Jerome M. Sattler.
Wechsler, D. (1991). Wechsler intelligence scale for children (3rd ed.). San Antonio: The Psychological Corporation.
Wechsler, D. (1997). Wechsler adult intelligence scale (3rd ed.). San Antonio: The Psychological Corporation.
Wechsler, D. (2003). Wechsler intelligence scale for children (4th ed.). San Antonio: Harcourt Assessment.
Wechsler, D. (2008). Wechsler adult intelligence scale: Technical and interpretative manual (4th ed.). San Antonio: The Psychological Corporation.
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Rosenblum-Fishman, S.D., Forbes, D. (2021). Perceptual Organization Index (POI). In: Volkmar, F.R. (eds) Encyclopedia of Autism Spectrum Disorders. Springer, Cham. https://doi.org/10.1007/978-3-319-91280-6_241
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DOI: https://doi.org/10.1007/978-3-319-91280-6_241
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