What are the advantages and disadvantages of using a questionnaire to collect data?

what are the advantages n disadvantage of using a questionnaire to collect data? plz help xx

What are the advantages and disadvantages of using a questionnaire to collect data?
look at the person sat next to you's work?!?!
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Reply:you may read it in statistics books.
Reply:Advantages: Can get them to self-complete. Will always be asking the same questions. Can think about how you plan to analyse data and word questions accordingly. Can also conduct surveys as semi-structured interviews. Can post out large numbers at once.





Disadvantages: Some of them aren't developed for the target audience (eg. older people need shorter questions). Self-completed surveys - participants may misunderstand the questions. Limits the answers that people can give.





Things like that.
Reply:Advantages:


You get a diverse range of answers from a broad section of the community.





You can ask open or closed questions.





You have a written record of people's responses.





Disadvantages:


Some people are not honest with their answers.





Some people may not fully understand some of the questions.





Some people may leave blank spaces or write down silly answers.





People can choose not to fill in your questionnaire.
Reply:This sounds as an assignment. Why not visit the Library and go through any Statistics Textbooks and go to the pages that deal with date collection methods., You will find more authentic answers there.
Reply:making sure that your questions are non-bias or do not lead the taker to a conclusion.
Reply:sometimes your respondents tend to be bias when answering the questionnaire because there is a tendency that the respondent is not given the chance to give his/her opinion because there's already the "suggested" answers.


Others doesn't want to answer questionnaires that's why they just answer it for the sake of answering and finishing the questionnaire which could result to the inability to determine if the answered questionnaire is valid or not.


if you'll be making a questionnaire make sure that your respondents can comprehend with it because if not it would be a problem. if the respondents does not understand the questionnaire there is a tendency that the respondent will give up answering it or he might guess which could lead to misrepresentation.


A questionnaire must not also be very long because it loses the interest of the respondents in answering the questionnaire.





on the other hand it's advantages is it's easier to administer this and you can have many respondents because you can distribute it to a group of people but another disadvantage is others might not be able to return your questionnaire or others might just throw it.


Using questionnaires has also lower cost because you don't have to spend too much to produce the questionnaire and to distribute it.
Reply:Advantage:


Easy to administer


Easy to analyze





Disadvantage:


Relies on the subject to be honest


Limited questions equals limited analysis