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Development of a standardized instrument to assess computer task performance.

OBJECTIVE: The purpose of this study was to determine the psychometric properties of the Assessment of Computer Task Performance, specifically, the test-retest reliability, internal consistency, construct validity, and ability to discriminate between known groups. METHOD: This assessment comprises 1...

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Published in:American Journal of Occupational Therapy Vol. 56; no. 1; pp. 60 - 69
Main Authors: Dumont C, Vincent C, Mazer B
Format: research tables/charts Journal Article
Published: American Occupational Therapy Association Jan/Feb2002
Online Access:View this record in EBSCOhost
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      dt: Jan/Feb2002
      vid: 56
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      pub: American Occupational Therapy Association
      place: North Bethesda, Maryland
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        atl: Development of a standardized instrument to assess computer task performance.
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          Dumont C
          Vincent C
          Mazer B
      sug:
        subj:
          Instrument Validation
          Computers and Computerization
          Task Performance and Analysis
          Psychomotor Performance
          Persons with Disabilities
          Psychometrics
          Descriptive Statistics
          Test-Retest Reliability
          Repeated Measures
          Intraclass Correlation Coefficient
          Internal Consistency
          Coefficient alpha
          Wilcoxon Rank Sum Test
          Control Group
          P-Value
          Canada
          Sample Size
          Assistive Technology Devices
          Construct Validity
          Factor Analysis
          Mann-Whitney U Test
          Validation Studies
          Adolescence
          Adult
          Middle Age
          Inpatients
          Outpatients
          Male
          Female
          Human
          Adolescent: 13-18 years
          Adult: 19-44 years
          Middle Aged: 45-64 years
          Male
          Female
      ab: OBJECTIVE: The purpose of this study was to determine the psychometric properties of the Assessment of Computer Task Performance, specifically, the test-retest reliability, internal consistency, construct validity, and ability to discriminate between known groups. METHOD: This assessment comprises 14 standardized and timed tasks. It was administered to 24 persons with upper-extremity impairments and 30 with no impairments by a trained occupational therapist. To assess the test-retest reliability, participants in the impaired group were retested within 2 to 7 days. Intraclass correlation coefficients were calculated to determine test-retest reliability. Internal consistency was assessed with Cronbach's alpha, and factor analysis was conducted to examine construct validity. The Mann Whitney U Test was used to assess the test's ability to discriminate between the groups. RESULTS: Results indicated that the tool has excellent reliability and internal consistency, can discriminate between groups, and has appropriate construct validity. CONCLUSION: The Assessment of Computer Task Performance provides occupational therapists with an accurate test to measure computer performance and can assist them in providing computer access services.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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