Research Governance

Research Participant

A person who provides data, experience, feedback, observation access, or task evidence within a research or evaluation study.

Concept facts

A research participant is a person who takes part in a study by providing information, performing tasks, sharing experiences, being observed, or otherwise contributing research data.

Also known as
Participant, study participant, respondent, interviewee, test participant, user research participant
Used in
User interviews, usability testing, surveys, diary studies, field studies, accessibility testing, service research
Interpret with
Consent, recruitment criteria, participant role, vulnerability, compensation, privacy, data protection, study risk, and research purpose

Plain-language explanation

A research participant is not just a “user” or “customer.” In a study, the participant has a specific role: they provide evidence under defined research conditions.

Participants may answer questions, complete tasks, describe experiences, allow observation, test a prototype, or respond to a survey. Their involvement should be planned and treated ethically.

Good research practice requires clarity about who is participating, why they were selected, what they will do, what risks or burdens exist, and how their data will be used.

Why it matters

Research quality depends on the people included in the study. If the wrong participants are recruited, the findings may not represent the target users, service context, or decision problem.

Ethical research also depends on respecting participants. People should understand what the study involves, whether participation is voluntary, how their data will be handled, and whether any risks or discomfort may arise.

This matters especially when working with students, service applicants, employees, low-power groups, people with disabilities, or people discussing sensitive experiences.

Use contexts

  • Usability testing
  • User interviews
  • Surveys and questionnaires
  • Diary studies
  • Field studies
  • Accessibility research
  • Service and institutional research

Application guidance

Define the participant group before recruitment begins. State who should participate, who should not, and why.

Use consent procedures appropriate to the study context. Participants should know what the session involves, how long it will take, what data will be collected, and how the data will be used.

Avoid treating participants as data sources only. Plan for comfort, privacy, accessibility, compensation where appropriate, and the right to withdraw.

Practical example

A UX Lab study evaluates a benefit-disbursement portal used by low-income applicants, local service staff, and program supervisors.

Treating every available staff member as a “participant” would weaken the study because staff, applicants, and supervisors provide different kinds of evidence. The research plan defines participant groups separately, explains why each group is included, and ensures that applicants understand consent, privacy, voluntary participation, and how their data will be used.

Interpretive boundaries

  • A research participant is not always the same as the end user.
  • Respondents, interviewees, and usability-test participants may provide different kinds of evidence.
  • Participation should be voluntary and informed.
  • Participant selection affects validity and transferability.
  • Vulnerability, power relationships, and privacy risks must be considered.

Applied at Userhub

Research participant planning is relevant when Userhub designs studies, evaluates products, recruits users, tests services, or conducts field research involving people and their experiences.

See Userhub UX Lab for applied UX research and evaluation context.

Sources and references

  • National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research. (1979). The Belmont Report: Ethical Principles and Guidelines for the Protection of Human Subjects of Research. U.S. Department of Health, Education, and Welfare.
  • Council for International Organizations of Medical Sciences. (2016). International Ethical Guidelines for Health-related Research Involving Humans. CIOMS.
  • ISO. (2019). Ergonomics of human-system interaction — Part 210: Human-centred design for interactive systems (ISO Standard No. 9241-210:2019). International Organization for Standardization.
  • Rubin, H. J., & Rubin, I. S. (2012). Qualitative Interviewing: The Art of Hearing Data (3rd ed.). SAGE Publications.

—

Cite this entry

APA

Userhub. (2026). Research Participant. UX Reference. https://userhub.com.bd/reference/research-participant/