Questionnaire a questionnaire is a printed form containing a set of questions, especially one addressed to statistically significant number of subjects as a way of gathering information for a survey. Please refer to the sample questionnaire and find the basic rules of writing a questionnaire. Refer to the web page)Questionnaire A questionnaire is a printed form containing a set of questions, especially one addressed to statistically significant number of subjects as a way of gathering information for a survey. Please refer to the sample questionnaire and find the basic rules of writing a questionnaire. (Refer to the web page)