Before administering the social media survey mentioned in Problem 2 to a sample of respondents, a researcher assesses the survey item shown in Problem 2 for reliability and validity. He pilots the survey on a small group of respondents, asking them to answer the question every Monday for ten weeks. He notices variation in many of the individuals’ responses. One respondent gave the following responses over the ten weeks (displayed in Table 1.3).

a. Based on this information, how would you characterize the reliability of this measure?

b. What changes could be made to the response categories to increase the reliability of the measure?