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Single-item indicators in nursing research

J M Youngblut1, G R Casper

  • 1Frances Payne Bolton School of Nursing, Case Western Reserve University, Cleveland, OH 44106-4904.

Research in Nursing & Health
|December 1, 1993
PubMed
Summary

Single-item indicators, used in nursing research, effectively measure concepts by allowing personal context. These global rating measures demonstrate reliability and validity, supporting their broader use in studies.

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Area of Science:

  • Nursing Research
  • Psychometrics
  • Health Sciences

Background:

  • Nursing emphasizes holism and individualism, valuing comprehensive patient perspectives.
  • Traditional multi-item scales may not capture the full personal context of individual experiences.
  • The utility of single-item indicators in capturing global ratings needs further exploration within nursing.

Purpose of the Study:

  • To evaluate the psychometric properties of single-item indicators in nursing research.
  • To determine the reliability and validity of global rating measures.
  • To advocate for the increased use of single-item indicators in nursing studies.

Main Methods:

  • Review of psychometric performance in published nursing research.
  • Analysis of a sample dataset using single-item measures for maternal employment decisions.
  • Assessment of validity and reliability through statistical evaluation.

Main Results:

  • Single-item indicators demonstrate strong psychometric performance.
  • Measures of maternal choice and satisfaction showed supporting validity and reliability.
  • Published research indicates consistent performance of these indicators.

Conclusions:

  • Single-item indicators are valid and reliable tools for nursing research.
  • These measures align with nursing's holistic and individualistic approach.
  • Nursing researchers should consider utilizing single-item indicators more frequently.

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