Title
Context:
Insight:
- Two main categories: questionnaire and interview
- Two types of questionnaires: postal and group administered
- Postal: questionnaire sent by mail to respondents
- Advantages: inexpensive, same questionnaire, respondentsβ convenience, time to read
- Disadvantages: low response rate
- Group administered: questionnaire filled by respondents in a group setting under supervision
- Advantages: higher response rate
- Interviews: may be qualitative or quantitative
- Quantitative: personal and telephone interview
- Personal: face-to-face conversation between interviewer and respondent
- Advantages: high response rate, low response errors
- Disadvantages: time-consuming, expensive, simple questions
- Telephone: voice conversation between interviewer and respondent
- Advantages: rapid, no travel, sensitive questions
- Disadvantages: high refusal rate, short interview
- Qualitative: focus group
- Focus group: group of people asked about their perceptions, opinions, beliefs, and attitudes towards a product, service, concept, etc
- Advantages: data and insights from group interaction, common language
- Disadvantages: scheduling difficulty