Merits of questionnaire methods include the ability to collect data from a large sample quickly, ease of administration, standardized data collection, and cost-effectiveness. Demerits can include response bias, limited depth of information compared to interviews, potential for misinterpretation of questions, and challenges in ensuring respondents understand and complete the questionnaire accurately.
Merits of descriptive research include providing detailed information about a phenomenon, allowing researchers to explore trends and patterns, and serving as a foundation for further research. Demerits include the potential for bias in data collection, limited ability to establish causality, and difficulties generalizing findings to larger populations.
Merits of a case study include providing in-depth, rich data about a specific phenomenon, allowing for detailed analysis. It also allows for a holistic understanding of complex issues. However, some demerits include potential bias in data collection and interpretation, lack of generalizability to broader populations, and challenges in replicating the study.
A person who answers a questionnaire is often referred to as a respondent.
A postal questionnaire is a survey or research tool where the questions are sent to respondents through the mail. Respondents are expected to complete the questionnaire and return it by mail for data collection and analysis.
Define the objectives and target audience of the questionnaire. Develop a list of clear and concise questions that align with the objectives. Organize the questions logically and consider the flow of the questionnaire. Pre-test the questionnaire to identify any issues and make necessary revisions.
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Merits-Everyone is Equal. Demerits-Everyone is Equal.