1. Develop three double-barrelled questions related to flying and passengers' airline preferences. Explain why you should avoid these questions. Also develop corrected versions of each question.
2. How do the nature and degree of verbal description affect the response to itemized rating scales? Provide a detailed example to illustrate your response.
3. Visit the website of one of the online marketing research firms (for example, Greenfield Online Research Center, Inc.) Locate a questionnaire being currently administered at this site. Critically analyze the questionnaire using the principles discussed in this unit.