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Related Experiment Videos

Development and construct validation of the Hand Function Sort.

L N Matheson1, V K Kaskutas, D Mada

  • 1Program in Occupational Therapy, Washington University School of Medicine, 4444 Forest Park Avenue, St. Louis, Missouri 63108, USA. mathesonl@msnotes.wustl.edu

Journal of Occupational Rehabilitation
|November 15, 2001
PubMed
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The Hand Function Sort (HFS) demonstrates good construct validity in adults with medical impairments, accurately differentiating hand function based on dominance and grip strength for relevant tasks.

Area of Science:

  • Occupational therapy
  • Rehabilitation medicine
  • Psychometrics

Background:

  • Assessing hand function is crucial for individuals with medical impairments.
  • The Hand Function Sort (HFS) is a tool used to evaluate hand capabilities.
  • Establishing the construct validity of assessment tools is essential for reliable measurement.

Purpose of the Study:

  • To investigate the construct validity of the Hand Function Sort (HFS).
  • To determine if HFS scores differentiate individuals based on upper extremity impairment and hand dominance.
  • To examine the relationship between HFS scores and grip strength.

Main Methods:

  • Factor analysis (Principal Components, Harris Image Analysis, Kaiser Image Analysis) was used to assess the underlying structure of the HFS.

Related Experiment Videos

  • Comparison of HFS scores between adults with and without dominant upper extremity impairment.
  • Correlation analysis between HFS scores and grip strength measurements.

    • Main Results:

    • Factor analysis supported a one-factor structure, with some variations across different analytical methods.
    • Significant differences in HFS scores were observed based on dominant upper extremity impairment, particularly for tasks where dominance is relevant.
    • HFS scores showed a significant correlation with grip strength, especially for tasks requiring forceful grip.

    Conclusions:

    • The Hand Function Sort (HFS) exhibits strong construct validity for assessing hand function in adults with medical impairments.
    • HFS effectively captures differences related to upper extremity dominance and grip strength.
    • The findings support the use of HFS as a valid measure in clinical and research settings.