In order to test the personality of job applicants, your company sought quotes from three different...
In order to test the personality of job applicants, your company sought quotes from three different companies. All of them have developed a test for Big 5 Personality Test. These tests are similar but they are also different due to copyright.
Company A has a test with 80 questions and a response format of 7 (1 to 7) with 7 indicating strongly agree and 1 indicating strongly disagree for each question. The company states that they have tested the instrument on nearly 25,000 individuals across Texas.
Company B has a test with 50 questions and a response format of 5 (1 to 5) with 5 indicating strongly agree and 1 indicating strongly disagree for each question. The company states that they have tested the instrument on nearly 5,000 individuals across the US.
Company C has a test with 75 questions and a response format of 9 (1 to 9) with 9 indicating strongly agree and 1 indicating strongly disagree for each question. The company states that they have tested the instrument on nearly 1,000 individuals from one company.
Based on the information, discuss which of the three options would you choose? Explain your rationale based on your knowledge of reliability.
Homework Answers
In the personality test, a diversified norm group is required to ensure the reliability of the test.
Company A's norm group contains individuals from only Texas and Company C's norm group contains individuals from only a company. Hence, the norm group is not diversified.
However, Company B's norm group contains a diversified sample from across the US.
Hence, Company B's personality test will be more reliable as compared to other 2
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