Criterion contamination is most likely to occur whena.results from different samples are combined.b.tests used in a validation study have low reliability.c.supervisors who rate job performance have access to employees’ test scores.d.criterion measures are combined with the use of a multiple regression equation.
Question
Criterion contamination is most likely to occur whena.results from different samples are combined.b.tests used in a validation study have low reliability.c.supervisors who rate job performance have access to employees’ test scores.d.criterion measures are combined with the use of a multiple regression equation.
Solution
Criterion contamination is most likely to occur when supervisors who rate job performance have access to employees’ test scores.
Here's why:
Criterion contamination refers to the situation where the measure of job performance (the criterion) is influenced by something other than the employees' actual performance.
If supervisors have access to employees' test scores, they might be biased in their performance ratings. For example, if they know that an employee scored high on a test, they might rate their performance higher than it actually is, because they expect high-test scorers to be high performers. This is a form of bias known as the halo effect.
This contamination makes it difficult to accurately determine the relationship between the test scores (the predictor) and job performance (the criterion), because the criterion is not purely a measure of job performance.
In contrast, the other options (a, b, and d) do not directly involve a situation where the criterion measure (job performance) is influenced by something other than the employees' actual performance.
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