noun. an individual who participates in an investigation, analysis, or experiment, for instance by performing jobs mandated by the experimenter or by responding queries mandated by a researcher. They might be further identified as an experimental or a control. Involved parties are commonly referred to as subjects, even though the previous word is now frequently favored whenever referencing human beings.

PARTICIPANT: "Beth was an eager participant this week."
Cite this page: N., Pam M.S., "PARTICIPANT," in, April 7, 2013, (accessed September 16, 2021).