Different forms of questionnaires can be distributed to different audiences. This strategy is particularly useful when you have a large pool of potential respondents and a lot of questions to ask about the audience. There are many different types of questions that can be included in a questionnaire. Training Seminar Likert-scale, e.g., My preferred sources for new product information is a hypermedia program that I can use on my own personal computer at home or in the office. Questionnaires are relatively easy to design, but good questionnaires represent a significant investment in time and expertise to prepare.
Questionnaires can take considerable time to distribute, process, analyze, and report.
Questionnaires are not as flexible as interviews or focus groups. The latter permit the exploration of unanticipated issues whereas questionnaires usually only provide information directly related to the specific questions included in them. Many people are reluctant to respond to questionnaires and response rates of forty percent or lower are not unusual. Interviews can be used to gather information in a relatively brief period of time. Interviews should not take more than thirty minutes per respondent.