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volunteer

volunteer In clinical research, a volunteer is a person who takes part in a trial.

In clinical research, a volunteer is a person who takes part in a trial. A healthy volunteer has no known health problems related to the study and may be included to provide a baseline for comparing results, rather than to receive direct personal benefit.

Sources

Drafting source: National Institute of Mental Health. Clinical Research Trials and You: Questions and Answers. HTML publication snapshot 2026-10-18; SHA-256 ff7a7468286526ac17a328be4c934d7799aad584950f0a10e9047534a7dd859b. “Clinical Research Trials and You: Questions and Answers” (https://www.nimh.nih.gov/health/publications/clinical-research-trials-and-you-questions-and-answers).
public-domain-US-government · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: ff7a7468286526ac17a328be4c934d7799aad584950f0a10e9047534a7dd859b

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PsychTerms (psychterms.org), CC BY 4.0, version 2. “volunteer.” Development preview.

Version 2 · SHA-256: 4ba78f7cfc36092c39bf526aea886540343bd255f114dabc6cb07fe2ae4dfdb2

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volunteer

See also

Sources

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