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Related Experiment Videos

Construct validity of the Nursing Care Dependency Scale.

A Dijkstra1, G Buist, P Moorer

  • 1Department of Nursing Sciences, University of Groningen, The Netherlands.

Journal of Clinical Nursing
|January 7, 2000
PubMed
Summary
This summary is machine-generated.

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The Nursing Care Dependency (NCD) Scale effectively measures patient care needs in dementia and learning disability settings. Its strong construct validity and reliability support its use in clinical practice for both group and individual assessments.

Area of Science:

  • Nursing
  • Psychometrics
  • Healthcare for cognitive and developmental disabilities

Background:

  • The Nursing Care Dependency (NCD) Scale is a new 15-item instrument.
  • It is designed to assess care dependency in inpatients with dementia or learning disabilities.

Purpose of the Study:

  • To determine the construct validity of the Nursing Care Dependency (NCD) Scale.
  • To evaluate the NCD Scale's suitability for clinical use.

Main Methods:

  • Data collected from 450 dementia patients and 203 learning-disabled patients.
  • Factor analysis was performed on the NCD instrument.
  • Mokken scale analysis and Cronbach's alpha were used to assess reliability and validity.

Main Results:

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  • Factor analysis revealed a single factor for the NCD Scale.
  • Mokken scale analysis yielded an H-coefficient of 0.75, indicating a strong hierarchical scale.
  • Cronbach's alpha was 0.97, demonstrating high internal consistency.

Conclusions:

  • The NCD Scale exhibits strong construct validity.
  • The scale's high reliability supports its application in clinical settings.
  • The NCD Scale is suitable for assessing care dependency in both group and individual patient evaluations.