Key Takeaways: What is a Questionnaire? A structured set of questions to collect data, feedback, or opinions. Key Features: Clear, relevant, simple, and concise. Types: Structured, Semi-Structured, Likert Scale, Semantic Differential, Guttman. Benefits: Easy to collect, cost-effective, provides actionable insights. Cautions: Limited depth, potential bias, privacy considerations. A questionnaire is a research tool used to […]