Which mode of data collection is suitable for open-ended questions and to avoid ambiguities?
Explain briefly the method of collecting data through mailed questionnaire. State its merits and demerits.
You want to research on the popularity of vegetable atta noodles among children. Design a suitable questionnaire for collecting this information.
You want to do a research on the popularity of Vegetable Atta Noodles among children. Design a suitable questionnaire for collecting this information.