1. Open-ended: Open-ended questionnaires allow respondents to answer in their own words. They provide freedom of expression but can be more challenging to analyze.
2. Closed-ended: Closed-ended questionnaires provide respondents with specific choices or options to select from. They are easier to analyze but may limit the depth of information obtained.
3. Dichotomous: Dichotomous questionnaires present respondents with a binary choice, often in the form of "yes/no" or "true/false" statements.
4. Multiple-choice: Multiple-choice questionnaires offer respondents several predetermined options to choose from.
5. Likert scale: Likert scale questionnaires use a scale with numbered points to measure respondents' level of agreement or disagreement with statements.
6. Semantic differential: Semantic differential questionnaires utilize a scale with bipolar adjectives or phrases to assess respondents' perceptions and attitudes.
7. Rating scale: Rating scale questionnaires employ a scale to gauge respondents' evaluation of specific attributes or characteristics.
8. Self-administered: Self-administered questionnaires are completed by respondents on their own, such as through paper surveys or online forms.
9. Interview-administered: Interview-administered questionnaires are completed by respondents through interviews conducted by an interviewer.
10. Mail survey questionnaire: Mail surveys use surveys sent through postal mail.
11. Online survey questionnaire: Online surveys leverage the internet and are completed digitally using computers, tablets, or smartphones.
12. Telephone survey questionnaire: Telephone surveys employ phone calls to gather responses.
13. Cross-sectional questionnaire: Cross-sectional questionnaires collect data from a sample of the population at a single point in time.
14. Longitudinal questionnaire: Longitudinal questionnaires gather data from the same sample of respondents over multiple time points to study changes over time.
15. General questionnaire: General questionnaires cover a wide range of topics or areas of interest.
16. Specific questionnaire: Specific questionnaires focus on a narrow topic or set of questions.
It's important to select the appropriate questionnaire type based on the research objectives, target audience, and the information you aim to collect. Researchers may also combine different types of questions or formats to create robust and comprehensive questionnaires.