The importance of questionnaires in research purposes cannot be over emphasized. Questionnaires are a set of printed or written questions with a choice of answers in a given rank or order, specially devised for the purpose of a survey or a statistical study. It can also be a written set of questions that are given to people in order to collect facts or opinions about a particular topic of interest. This is chiefly a research or survey questions asked to respondents and designed to extract specific information or response. Questionnaires basically serve four basic purposes.

To collect a specific data of interest.

To make the data collected to be comparable and amendable to analysis.
Minimize leading questions and bias in formulating and asking questions.
To make research questions engaging and interesting.

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