Case Study 4: This assignment is due Friday, June 19th at 11:59pm.Chapter 11, “Applications: Utility Concerns in Choosing an Assessment Method”: answer questions 1–4. The answers to each Case Study must be 3 – 5 pages in length and completed in current APA formatting. The statements in each Case Study must be supported by at least 1 scholarly source, with an APA-formatted references list and in-text citations. Absolutely NO PLAGIARISM. Just to clarify the math portion of Case Study Four:First, the formula is located in your text, page 548.Second, here is how I looked at the problem( I will refrain from restating the problem);The formula is as follows:T- tenure of the selected group in years (how long will they stay on the job, this number is an assumption) For this analysis, I will use one (1) year. This is the average tenure for employees in postion.Ns- Number of applicants selected/ people hired=50r= correlation between predictor(interview) and job performance= .30r= correlation between predictor(work sample) and job performance=.50SDy= dollar value of job performance (40% of base pay)Zs= average predictor score of selected group=.80Na= no. of applicants=100C= cost per applicant (interview)= $100C= cost per applicant(work sample)=$150.Therefore,Interviews:50(1)(.30)($4,800)(.80) =$57,600–100(100)= $10,000, $57,600-$10,000= $47,600Work Sample:50(1)(.50)($4,800)(.80)=96,000–100(150)=$15,000, Thus, $96,000-$15,000=$ 81,000Randy May works for a small airline based on Nantucket Island, Massachusetts. He recently won two million in the New England Lottery and decided to invest his winnings, ultimately, in a chain of ice cream shops in the Cape Cod area to gain potential future earnings. Figuring he had enough money to open up ice cream shops in both islands of Nantucket and Martha’s Vineyard, as well as two shops in Falmouth and Buzzards Bay, he signed a contract with a local builder and began construction of the shops. After beginning the process of construction, he was faced with the next task of hiring employees to staff the four ice cream shops. Throughout his calculations, he estimated he would need a total of 50 employees to staff the four shops, but he did not have any knowledge in how to select the right 50 individuals to hire. Randy asked for the advice of both his friend Mary, a business owner of a lunch counter at the airport and of Ray Higgins, a previous professor who taught Randy HR management while getting his business degree. They both suggested interviews and a work sample test that would include hands on demonstration of scooping ice cream and serving it. In his estimations, Randy figured it would cost around $100 to interview an applicant and $150 per applicant to perform the work sample test. Professor Higgins informed Randy that the validity of the interview is r = .30 and the validity of the work sample is r = .50. If the selection ratio is .50, then the average score on the selection measure of those applicants selected is z = .80 (Heneman, Judge, Kammeyer-Mueller, 2012, pg. 572). For the applicants selected for the job, Randy will pay them $6 per hour, which would come to a total salary of $12,000.1. How much money would Randy save using each selection method?2. If Randy can use only one method, which should he use?3. If the number of applications increases to 200 (more applications are coming in every day), how will your answers to questions 1 and 2 change?4. What limitations are inherent in the estimates you have made?
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