Definition

1. Noun:
   • A form containing a set of questions; a printed or digital document with a series of inquiries designed to collect specific information from respondents, typically for research, analysis, or administrative purposes.

Usage

• A "questionnaire" is a tool for gathering data. It is submitted to people (respondents) who answer the questions. The information collected is often used for statistical analysis, market research, academic studies, or feedback collection.
• It is a singular, countable noun.

Examples

• Noun:
  • All participants were asked to complete a detailed questionnaire about their shopping habits.
  • The researcher designed a questionnaire to assess customer satisfaction.
  • Please return the completed questionnaire by Friday.

Advanced Usage

• "to administer a questionnaire": to distribute and manage the process of having people fill out a questionnaire.
  • The team will administer the questionnaire to a sample of 500 households.
• "to design/devise a questionnaire": to create and formulate the questions for a questionnaire.
  • Designing an effective questionnaire requires careful planning.
• "self-administered questionnaire": a questionnaire that the respondent completes by themselves without an interviewer.
  • The survey used a self-administered questionnaire sent via email.

Variants and Related Words

• Survey (n): A broader term for a data collection method that often uses a questionnaire as its instrument.
  • The national census includes a large household survey.
• Poll (n): A survey, especially one measuring public opinion, which typically uses a short questionnaire.
  • The opinion poll revealed shifting attitudes.

Synonyms

• Survey form: A document used to conduct a survey.
• Question sheet: A simple term for a list of questions.

Related Phrases

• To fill out/in a questionnaire: To complete a questionnaire by providing answers.
  • It took me twenty minutes to fill out the questionnaire.
• Questionnaire response/respondent: The answer given to a questionnaire, or a person who answers it.
  • We had a 70% response rate to our questionnaire.

Noun

1. a form containing a set of questions; submitted to people to gain statistical information