Briefly explain the four steps in the sample design process. (3 ) What is a focus group? What are the benefits of focus group research? (4 ) Under what circumstances would you use the telephone for collecting survey data? When would you use the personal interview? 5. In measuring the effectiveness of advertising, what is the difference between pre-testing and post-testing? What benefits does each form of research provide? (6 .) What is the difference between a recognition test and a recall test? 7. What are the three categories of measurement in a Starch readership test? Briefly explain each category. 8. What are three primary ways of measuring the impact of , social media communications? Briefly explain. (9, What are the three primary ways of measuring the effectiveness of public relations campaigns? Briefly dis- . cuss each form of measurement. 10. What are the primary ways of measuring the effectiveness of event marketing and sponsorship participation? Briefly discuss each form of measurement.