Evaluating Selection Process Effectiveness Flashcards
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Which type of reliability is most critical to establish when a selection test is administered on different occasions to the same candidates?
Answer: Test-retest reliability
Test-retest reliability assesses score stability over time, which is essential when candidates might be retested or scores used across multiple decision points.
A city HR department finds its written exam has a 0.60 adverse impact ratio for Hispanic applicants. According to the 4/5ths rule, what does this indicate?
Answer: Adverse impact is present because the ratio is below 0.80
The 4/5ths rule flags adverse impact when the pass rate of a protected group is less than 80% (0.80) of the highest group's pass rate.
What is the primary purpose of a job analysis in the context of validating a selection procedure?
Answer: To identify the KSAOs required for successful job performance
Job analysis identifies the knowledge, skills, abilities, and other characteristics (KSAOs) that form the basis for content- and construct-valid selection tools.
An agency administers a physical ability test for firefighter candidates. The test is evaluated by checking whether tasks mirror actual firefighting activities. This reflects:
Answer: Content validity evidence
Content validity is established by demonstrating that the test tasks represent the critical duties identified in a job analysis of the firefighter position.
Which statistic best summarizes the relationship between a continuous predictor and a dichotomous criterion (pass/fail on the job)?
Answer: Point-biserial correlation
The point-biserial correlation is used when one variable is continuous (test score) and the other is dichotomous (pass/fail criterion).
When evaluating whether a cognitive ability test is appropriate for a clerical position, which evidence is most directly relevant?
Answer: Job analysis showing cognitive demands of clerical tasks
Linking test constructs to job-relevant cognitive demands through job analysis provides the most direct validity evidence for the intended use.
An organization wants to compare the effectiveness of two selection methods. Which design allows the most direct causal inference about which method produces better hires?
Answer: Random assignment of applicants to selection methods with follow-up performance data
Random assignment eliminates selection bias and allows true causal comparison of which method better predicts subsequent job performance.