설문 조사나 통계 연구를 목적으로 작성된 일련의 질문지.
A set of printed or written questions with a choice of answers, devised for the purposes of a survey or statistical study.
예문:
"The marketing team designed a questionnaire to gauge customer satisfaction."
"All respondents must return the completed questionnaire by the end of the week."
"The questionnaire includes both multiple-choice and open-ended questions."