Define Questionnaire. Explain Merits & demerits of Questionnaire.
Answers
The main advantage of using questionnaires is that a large number of people can be reached relatively easily and economically. A standard questionnaire provides quantifiable answers for a research topic. These answers are relatively easy to analyse.
Answer:
A questionnaire is a research instrument consisting of a series of questions for the purpose of gathering information from respondents. The questionnaire was invented by the Statistical Society of London in 1838.
Qualities:-
Simple and Short Questions - Questions should be short, simple and straight-forward.
Limited Questions in Proper Order - The number of questions should be limited and these should be in a logical order.
Clear Instructions - To assist the informant. clear instructions should be given wherever required.
Pre-Testing - To know the short-comings of questionnaire, it should be tried on a small selected group.
Avoid Mathematical Calculations - Questions containing mathematical calculations should be completely avoided.
Avoid Personal and Controversial Questions - Personal questions affecting sentiments and controversial questions related to religion, politics, etc., should be avoided.