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Development and evaluation of a study design typology for human research
Simona Carini1, Brad H Pollock, Harold P Lehmann
1University of California, San Francisco, CA, USA.
AMIA ... Annual Symposium Proceedings. AMIA Symposium
|March 31, 2010
Summary
Researchers can now reliably classify human study designs using the new Study Design Typology. This systematic approach aids researchers and reviewers in understanding research methodologies.
Area of Science:
- Biomedical Research
- Clinical Research Methodology
Background:
- Standardized classification of study designs is crucial for researchers, systematic reviewers, and administrators.
- Existing methods for classifying study designs lack consistency, impacting research interpretation and reproducibility.
Purpose of the Study:
- To develop and evaluate a Study Design Typology for standardizing the classification of human research study designs.
- To assess the reliability of the typology in distinguishing between various interventional and observational research designs.
Main Methods:
- Development of the Study Design Typology within the Human Studies Database Project.
- A masked evaluation involving three independent reviewers classifying 35 active research protocols.
- Protocols were categorized into one of nine high-level study designs.
Main Results:
- The Study Design Typology demonstrated moderate to high inter-rater agreement (Fleiss' kappa = 0.442) for all protocols.
- Agreement was higher for quantitative studies (Fleiss' kappa = 0.463).
- The typology showed promise in reliably distinguishing study design types.
Conclusions:
- The developed Study Design Typology offers a reliable method for classifying quantitative human research designs.
- This standardization is expected to improve clarity and consistency in research reporting and systematic reviews.
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