Questionnaire is a set of question with choice given like MCQ , conducted for any specific thing. In Hindi its ,प्रश्नावली

Questionnaire:

A questionnaire is a research instrument that consists of a series of questions and other prompts designed to gather information from respondents. It is a common tool used in various fields such as market research, social sciences, healthcare, and education to collect data from a specific group of people.

Components of a Questionnaire:
- Introduction: This section provides an overview of the purpose of the questionnaire and instructions on how to complete it.
- Demographic Questions: These questions gather information about the respondent's age, gender, education, occupation, etc.
- Main Questions: These are the core questions that address the research objectives and gather the required data.
- Open-ended Questions: These questions allow respondents to provide detailed responses in their own words.
- Close-ended Questions: These questions offer predefined answer options for respondents to choose from.
- Rating Scales: These are used to measure attitudes or opinions on a scale (e.g., Likert scale).
- Validity and Reliability: Questionnaires should be tested for validity (measuring what it is intended to measure) and reliability (consistency of results).

Types of Questionnaires:
- Structured Questionnaires: Have fixed response options and are easy to analyze.
- Unstructured Questionnaires: Allow respondents to provide more detailed and open-ended responses.
- Mixed Questionnaires: Combine both structured and unstructured questions for a comprehensive data collection.

Uses of Questionnaires:
- Collecting Data: Questionnaires help researchers gather data from a large number of respondents efficiently.
- Market Research: Companies use questionnaires to understand customer preferences and behaviors.
- Evaluating Programs: Questionnaires are used to assess the effectiveness of educational or social programs.
- Gathering Feedback: Organizations use questionnaires to gather feedback from customers or employees.

In conclusion, questionnaires play a crucial role in research and data collection by providing a structured way to gather information from a targeted group of individuals.