(a)Suppose LinkedIn sends a survey to its paid members, who are interested in finding a new job.In the survey, respondents are presented a multiple job listings and are asked to indicate their first choice ("1"), second choice ("2"), and so forth ("3", "4", "5", ...).Would the data from this question be best-described as annominal, ordinal, interval, or ratio scale?Explain your answer.

(b)Suppose the scale described in part (a) lacks reliability.Explain what you would expect to see in the survey results if this were true.

(c)If the job choice question in part (a) is a one-item scale (i.e., it only consists of one question), would you recommend thesplit-half methodortest-retest methodfor assessing the reliability of the scale?Explain.

(d)Suppose the scale described in part (a) lacks validity.Explain what this would mean for your survey results if this were true.