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Measuring Changes in Tactile Sensitivity in the Hind Paw of Mice Using an Electronic von Frey Apparatus
Published on: December 19, 2013
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Increasing the Sensitivity of Measures to Change
Carlotta Ching Ting Fok1, David Henry2
1University of Alaska Fairbanks, Fairbanks, AK, USA. ctfok@alaska.edu.
Summary
This study addresses sensitivity to change in prevention research measures. It offers five strategies to enhance how well instruments detect changes, especially in small sample sizes.
Area of Science:
- Psychometrics
- Prevention Science
- Health Services Research
Background:
- Prevention research often overlooks measure responsiveness.
- Sensitivity to change is crucial for accurately assessing intervention effects.
- Small sample sizes in prevention research exacerbate this issue.
Purpose of the Study:
- To review definitions and measures of responsiveness.
- To propose strategies for enhancing sensitivity to change in prevention measures.
- To focus on improving measures for small sample sizes.
Main Methods:
- Literature review of responsiveness definitions and measures.
- Development of five practical strategies to increase sensitivity to change.
- Illustrative examples of strategy application.
Main Results:
- Five strategies are proposed: improve understandability/cultural validity, ensure full construct range, eliminate redundant items, maximize response device sensitivity, and directly ask about change.
- These strategies aim to enhance the detection of change in prevention research.
- Checklist approach for improving measures is discussed.
Conclusions:
- Improving measure sensitivity to change is vital for effective prevention research.
- The proposed strategies offer a practical framework for enhancing measurement tools.
- Addressing sensitivity to change is particularly important for studies with limited participant numbers.
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