Research Methodology — DU B.A. (Hons.) Business Economics (BBE) Previous Year Question Papers

1382 6. 7. (a) Compare the Focus group and Interview method of primary data collection? 6 (c) For any three of the following situations, identify the most appropriate sampling technique and justify your answers: 6 (i) Respondents are selected at regular intervals from an ordered list. (ii) Participants are chosen based on the researcher's prior knowledge and expertise. (iii) Individuals are selected from different categories in proportion to their population size. (iv) Participants refer other participants for the study. Write short notes on any three of the following. (a) (c) (d) Leading and loaded questions in a questionnaire (b) Chi-square test of independence Types of Validity with examples Advantages and Disadvantages of Primary Data (e) Clearly state any assumptions made while answering questions. 1. Answer any four of the following in about 40-50 words each. 4.5×4=18 (a) Reliability and Validity of a research instrument. (b) Differentiate between Constant Sum and Paired Comparison scale with examples. (c) Why is it important to sequence questions properly in a questionnaire? 2. 3. (d) When is a paired samples t-test preferred over an independent samples t-test? Give one example. (e) What are the various biases in survey research? (b) Distinguish between Quantitative and Qualitative research. 6 (a) A company wants to analyse the factors affecting consumers' choice of e-commerce platforms. Design a structured questionnaire for this purpose. Your questionnaire should include: (i) an appropriate introduction (ii) demographic questions (iii) at least three different types of questions and suitable measurement scales. (b) State which primary scale of measurement should be used to record the following variables. Also mention the mathematical operations that would be possible on the variables. 8 (i) Customer satisfaction levels (very satisfied, somewhat satisfied..) (ii) Jersey numbers of players in a football team (iii) Weight of individuals in kgs (iv) Temperature measured in Celsius. 4. (a) A researcher aims to examine whether the average weekly study hours differ among students from three different streams: Arts, Commerce, and (i) Formulate a clear research question. State the null and alternative hypothesis. (ii) Identify the appropriate statistical test to analyse this situation and justify your answer. (iii) Mention the assumptions required for applying this test. (iv) Suggest a non-parametric alternative if the assumptions are violated. (v) If the result indicates that there is difference in the average study hours across the three streams, how can we find out which two streams average is actually different? (b) A company wants to understand public perception of its new electric vehicle (EV). Construct a Likert and a Stapel scale with five statements each. Each statement should measure a different dimension. 5. (a) A researcher fails to review previous studies properly. What problems may arise? How should literature review be improved? 6