In response to the survey item in Problem 2, another respondent chooses the

“often” category three times and the “all the time” category seven times in each of the ten weeks of the pilot study. However, compared to the rest of the respondents in the pilot group, this respondent actually posts quite infrequently on social media.

a. For this pilot respondent, is reliability high or low for this survey item?

b. What about validity? Explain your answer.