Plz answer all these multiple questions. If not, do not answer them.

1. How did Warby Parker address customers' hesitation about buying glasses online?

a. By implementing a 360-day return policy b. By including a lifetime warranty for the glasses c. By implementing a five-day free home try-on program for five pairs of glasses d. By changing the business model to brick store and mortar only

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2. What is at the top of Warby Parker's Communication Hierarchy?

a. Social Mission b. Price and quality c. Design and fashion d. Service and quality

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3. What should you avoid when conducting an interview?

a. documenting your specific research goal

b. asking follow-up questions that begin with "Why"

c. reflecting back emotions

d. spending time to build rapport

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4. Which segmenting attribute classifies people according to beliefs and interests?

a. behaviors b. psychographics c. demographics d. needs