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The reliability and construct validity of three form constancy perceptual scales.

The reliability and construct validity of three separate form constancy perceptual scales from The Developmental Test nof Visual Perception, Second Edition (DTVP-2), Test of Visual Perceptual Skills (non-motor)-Revised (TVP-SR), and Motor-Free Visual Perception Test-Revised (MVPT-R) were examined. P...

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Published in:New Zealand Journal of Occupational Therapy Vol. 49; no. 2; pp. 22 - 33
Main Authors: Chan G, Brown GT
Format: research tables/charts Journal Article
Published: Occupational Therapy New Zealand 2002 Sep
Online Access:View this record in EBSCOhost
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        11710462
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      jtl: New Zealand Journal of Occupational Therapy
      issn: 11710462
      maglogo: N
    pubinfo:
      dt: 2002 Sep
      vid: 49
      iid: 2
      pid: 18476
      pub: Occupational Therapy New Zealand
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        2004091209
        106741703
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        atl: The reliability and construct validity of three form constancy perceptual scales.
      aug:
        au:
          Chan G
          Brown GT
        affil: Occupational Therapist, Lethgridge Regional Hospital, Lethbridge, Alberta, Canada; westerngumby@yahoo.com
      sug:
        subj:
          Visual Perception Evaluation
          Instrument Validation
          Clinical Assessment Tools Evaluation
          Clinical Assessment Tools
          Psychometrics
          Validation Studies
          Prospective Studies
          Cross Sectional Studies
          Data Analysis Software
          Descriptive Statistics
          Pearson's Correlation Coefficient
          Reliability
          T-Tests
          Child
          Construct Validity
          Criterion-Related Validity
          Factor Analysis
          Funding Source
          Human
          Child: 6-12 years
      ab: The reliability and construct validity of three separate form constancy perceptual scales from The Developmental Test nof Visual Perception, Second Edition (DTVP-2), Test of Visual Perceptual Skills (non-motor)-Revised (TVP-SR), and Motor-Free Visual Perception Test-Revised (MVPT-R) were examined. Performance scores from a group of 356 typically developing children, ages 5 to 11 years old, were used to complete the data analysis. The results indicated that the DTVP-2 and TVPS-R form constancy scales exhibited acceptable levels of internal consistency while the MVPT-R form constancy scale yielded a low internal consistency score. Convergent and divergent validity of the three scales were found to be within acceptable parameters. However, confirmatory factor analysis of the three scales revealed multiple factor loadings on the DTVP-2 and TVPS-R form constancy scales. These two scales appeared to be multidimensional instead of being unidimensional. Recommendations regarding the clinical utility of the three form constancy scales are included in the paper.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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