Answer for the following questions

SCENARIO #3: You are a research analyst and have been asked to develop a survey to test the effective of different ads for Lindt Canada. 3a) What information would you want to know about the advertising before writing the questionnaire and developing a sampling plan? (5 points) 3b) There are many different best practices when it comes to questionnaire writing. Briefly identify five best practices you could implement in your online questionnaire and explain why. (10 points) 3c) Provide an example of a double barrel question and explain why it is an issue. (2 points) 3d) Lindt is asking you to pretest 3 different ads. Explain how would you approach this in terms of sampling and questionnaire design, the rationale/reason why, and what sample size(s) would you recommend as a result? (4 points)