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Characteristics of a Good Questionnaire


A questionnaire is a type of research instrument used to collect information from a group of people. They are commonly used in a variety of fields, including social sciences, marketing, and healthcare. A good questionnaire is critical for ensuring the validity and reliability of the collected data. A good questionnaire should have the following characteristics:

1. Clarity and simplicity

The questions should be clear and simple, written in a language that the target population can understand. This reduces confusion and misunderstandings and ensures that respondents can provide accurate and meaningful responses.

2. Relevance

The questions should be relevant to the research objectives and designed to gather the necessary information. They should be focused on the topic at hand, with no irrelevant or unnecessary questions.

3. Objectivity

The questions should be unbiased and objective. The questionnaire should not direct the respondent to a specific answer or be worded in such a way that it implies a specific answer.

4. Open-ended and closed-ended questions

A good questionnaire should include a mix of open-ended and closed-ended questions. Respondents can provide detailed and unstructured answers to open-ended questions, whereas closed-ended questions provide more structured and quantifiable data.

5. Pre-testing

The questionnaire should be pre-tested with a small group of people to determine its effectiveness and to identify any issues or ambiguities in the questions. This allows for any necessary changes to be made before the questionnaire is distributed to the entire sample.

6. Confidentiality and anonymity

The questionnaire should be designed to protect the respondents’ confidentiality and anonymity. This is critical for making respondents feel at ease and safe in providing honest and accurate responses.

7. Adaptability

The questionnaire should be adaptable enough to accommodate unexpected responses or follow-up questions. This allows for a more in-depth understanding of the topic as well as the gathering of additional information that was not anticipated.

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