Suppose a candidate scored 44 on the manual dexterity test. The regression equat

Question

Suppose a candidate scored 44 on the manual dexterity test. The regression equation predicting job performance using the manual dexterity test is: What is the candidate’s predicted job performance?

Assume that only candidates with predicted performance above 85 are to be hired. This translates to a score of at least 43 on the manual dexterity test. Assume only those with scores above 43 were hired (20 of the 30 people in this sample).

The relevant data on the 20 people exceeding the cutoff are presented above. Given the validity results you found, would you recommend use of this test as a selection device? If so, how would you use it?

Explanation / Answer

Predicted job performance is based on the manual dexterity test. Only candidates with predicted performance above 85 are to be hired, therefore a candidate who scored 44 on the manual dexterity test sopposed to be hired.

In case the regression equation is : Predicted performance = 32.465 + 1.234 * manual dexterity test score

Candidate's predicted job performance = 32.465 + 1.234 * 44 =32.465+54.296 =86.761

In case the validity result shows that the hired candidates performed in accordance with the predicted job performance based on scores in the manual dexterity test, it is recommended to use the test as a selection device.

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