Advantages and disadvantages of questionnaire as data collection tool in research

 Questionnaire is form containing set of questions, especially one addresses to statistically significant number of subjects as the way of gathering information for research or survey. In other words questionnaire is research instrument  consisting of series of questions for the purpose of gathering information from respondent.

Advantages and disadvantages of questionnaire as data collection tool in research

The following are advantages of questionnaire as data collection tool in research:

  • Questionnaire has standardized answers that make them simple to analyze and compile.
  • Questionnaire permit wide coverage as researcher will just post questionnaire to respondent in different geographical areas.
  • It helps in conducting in depth study as respondent may be asked open ended questions to solicit in depth information.
  • They do not require much effort from questioner as in the case of interview.
  • Questionnaire are flexible and adoptable to variety of research design, population and purposes.

The following are disadvantages of questionnaire as data collection tool in research:

  • Pre coded questions may bias the findings towards the researcher.
  • Questionnaire sent through post offer little opportunities to check truthfulness of the answer.
  • Since respondent are required to read and respond to questions asked, questionnaire can not be used to illiterate and childrens.
  • Since auditor will be required to send questionnaire to respondent and wait for them to reply by filling them, this makes questionnaire slow as compared to other method of collecting data such as interview.
  • There is high chance that respondent will not answer and return the questionnaire sent to them. 

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