In Weeks 4 and 5, you calculated Cronbachs coefficient alpha and item statistics for the six items in your dataset that are on the Risk-Taking scale, R1R6. Refer back to the output you obtained. It shows the item-test correlation for each item. Now calculate the mean and standard deviation for each item. Click on ANALYZE>DESCRIPTIVE STATISTICS>DESCRIPTIVE. Move the items R1 through R6 into the VARIABLES box and click on OK. You will see the minimum, maximum, mean, and standard deviation for each item.In the quiz, you see the item characteristic curves (ICC) for these items:R3: I’m willing to take real chances to get ahead financiallyR5: Being too conservative with your investments can cause financial problemsR6: Running a business is something that I think of as interesting and excitingNote: Please refer to the following graphs to complete the question. Multiple AttemptsNot allowed. This test can only be taken once.Force CompletionThis test can be saved and resumed later. Question Completion Status:QUESTION 1Using the above graphs, compare the classical item statistics to the ICC curves derived using IRT. Which curve is associated with which item? Consider item difficulty and item discrimination. – a. b. c. R3 I’m willing to take real chances to get ahead financially. – a. b. c. R5 Being too conservative with your investments can cause financial problems. – a. b. c. R6 Running a business is something that I think of as interesting and exciting.a.Ab.Bc.CUse below for reference!(Reference for Week 4 Attached):For this Knowledge Assessment, you perform test item analysis on the MoneyData dataset provided in the Week 2 Learning Resources.The data file includes a six-item scale to measure financial risk-taking tendencies:R1: I’d rather run my own business than work for someone elseR2: I don’t mind risking large amounts of money if there is a good chance I can come out aheadR3: I’m willing to take real chances to get ahead financiallyR4: I get bored unless I’m taking some risks with my careerR5: Being too conservative with your investments can cause financial problemsR6: Running a business is something that I think of as interesting and excitingPlease complete your Knowledge Assessment by Day 7. Click on the Quiz link below to continue.”
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