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Survey Authentication Challenges During a Geriatrics Knowledge Assessment Pilot
Apoorva Rangan1,2, Mengru Wang3, Malvika Varma4
1Stanford University School of Medicine, Stanford, California, USA.
Journal of the American Geriatrics Society
|August 4, 2026
Summary
A geriatrics knowledge assessment pilot study faced challenges with inauthentic survey responses. Implementing authentication measures is crucial for reliable results in educational research.
Area of Science:
- Medical Education
- Geriatrics
- Survey Methodology
Background:
- A pilot study of the Age-Friendly Knowledge Assessment Tool (AF-KAT), a geriatrics assessment for medical students, encountered significant survey authentication issues.
- The AF-KAT is designed to evaluate geriatrics knowledge based on the 5Ms framework and American Geriatrics Society competencies.
Purpose of the Study:
- To describe a multi-institutional survey authentication challenge during the AF-KAT pilot deployment.
- To highlight the impact of inauthentic participation on assessment results.
Main Methods:
- The AF-KAT was electronically distributed to graduating medical students at three US medical schools with a financial incentive.
- A structured multi-institutional authentication process, including developing exclusion criteria and multi-reviewer adjudication, was implemented to address inconsistent responses.
- Exclusion criteria targeted issues like invalid reimbursement codes, incorrect graduation years, duplicate responses, unrealistic specialty choices, IP address duplication, and rapid completion times.
Main Results:
- Out of 1029 initial responses, a substantial number were excluded based on authentication criteria.
- After adjudication, only 88 responses remained for the final analytic sample.
- The median AF-KAT score significantly increased from 5 (pre-authentication) to 12 (post-authentication), indicating the impact of inauthentic data.
Conclusions:
- The study identified likely inauthentic participation that skewed the results of a geriatrics knowledge assessment.
- Proactive implementation of survey security measures is strongly recommended for financially incentivized geriatrics education research to ensure data integrity.
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