non-respondent
non-respondent — noun
1. A person who was part of a selected group for a survey, census, or clinical stud
A person who was part of a selected group for a survey, census, or clinical study but did not send back their answers or take part.
The research team sent follow-up letters to all non-respondents in the health survey.
collocation: sent follow-up letters to non-respondents
Shirin was listed as a non-respondent because she never returned the questionnaire.
A high rate of non-respondents can make election polls much less accurate.
Daichi compared the answers of respondents with those of non-respondents to check for bias.
The census office telephoned every non-respondent in the district to collect basic data.
- non-participant
Broader term — includes anyone who chose not to join a study at all, not just those who failed to reply after agreeing.
- non-answerer
Less formal and less common; sounds more literal and everyday.
- respondent
The direct opposite — a person who did submit their answers.
文法句型
non-respondent(s)
用法筆記
Often appears in plural form (non-respondents) in research reports. The singular is typically used to describe an individual case.