1 question multiple choice quiz – SPSS

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In Weeks 4 and 5, you calculated Cronbach’s coefficient alpha and item statistics for the six items in your dataset that are on the Risk-Taking scale, R1–R6. 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 financially
  • R5: Being too conservative with your investments can cause financial problems
  • R6: Running a business is something that I think of as interesting and exciting

Note: Please refer to the following graphs to complete the question.
Multiple Attempts Not allowed. This test can only be taken once.
Force Completion This test can be saved and resumed later.

QUESTION 1

  1. Using 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. A
    b. B
    c. C

Use 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 else
  • R2: I don’t mind risking large amounts of money if there is a good chance I can come out ahead
  • R3: I’m willing to take real chances to get ahead financially
  • R4: I get bored unless I’m taking some risks with my career
  • R5: Being too conservative with your investments can cause financial problems
  • R6: Running a business is something that I think of as interesting and exciting

Please complete your Knowledge Assessment by Day 7. Click on the Quiz link below to continue.”

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