Selection techniques and desicions

19 important questions on Selection techniques and desicions

What are the criteria for effective selection techniques?

- Reliability
- validity
- cost-effective
- fair
- legally defensible

The more complex the job, the better cognitive ability tests predict performance, what happens when education is added in the equation?

Cognitive ability tests have the highest predictive value 0.51, when education is added (cognitive + education) the predictive value becomes 0.52.

What are the benefits of work samples (applicants perform tasks that replicate actual job tasks) in selection methods?

- directly relatable to job
- good criterion validity
- good face validity
- provide realistic job interviews
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What techniques are used in assessment centers?

- Presentation
- role play
- leaderless group discussion
- panel interview
- work samples

What are 2 benefits of assessment centers and what are 2 negatives?

Benefits:
- test/retest reliability high (0.700
- Good face validity

negatives:
- very expensive
- time consuming

Prior experience as predictor for performance is not that well (0.27), what are some consideration when using prior experience appropriately (as credit)?

- same occupational area
- direct application for job
- limited to few years of experience (so up to 3 years, from there on the predictions decline)

What do combination of conscientiousness, emotional stability and agreeableness predict?

The negatively predict withdrawal behaviors (so less withdrawal)

Conscientiousness is most strongly associated with positive work performance. How much more does it positively predict work behavior than the other four traits?

Almost twice as well

Personality test are relatively cheap, easy to administer and have little adverse impact. What are the negatives of personality as selection method?

- scale development
- validity
- faking

What is test-retest (temporal stability), is part of reliability, what is test-retest about?

Is the test consistent across repeated testing, so same outcome the 1st time as 2nd time

What is alternate forms (form stability) about?

Sample split in half and two forms of the same test are administered. Halves should have sat mean, SD and should be correlated. Think of cognitive ability test and different questions for same construct, language for example.

What is internal reliability (item reliability about)?

Extent to which the responses to the same test are consistent. General rule the longer the test, the higher the internal consistency (short exam with only 1 question per chapter has low consistency)

What is scorer reliability (inter-rater reliability) about?

Do all (human) observers give the same score to the participant

Part of criterion validity (is test score related to some measure of job performance) is concurrent validity and predictive validity, what do they mean?

Concurrent validity: correlation between 2 different measures for same construct and scoring the same

predictive validity: test given to a group of applicants, scores are then compared to a measure of future performance

What 5 selection devices have the most utility to improve the quality of a personnel system?

- General mental ability 12%
- Work sample test 14.5%
- Peer ratings 12%
- employment interviews (structured) 12%
- Job knowledge tests 11.5%

What four ways are used to determine the usefulness (utility) of a selection device?

- Taylor-russel tables: estimated percentage new hires who will be effective if particular test is used
- Proportion of correct decisions: compares percentage of times a selection decision was accurate with the percentage of successful employees
- Lawshe tables: provides probability of succes for a particular applicant
- Brogden-Cronbach-Gleser Utility formula: provides estimate of Money saved when testing method is adopted

To determine the fairness of a test, it is important to look for measurement bias and predictive bias. What do they mean?

- Measurement bias: group differences in test score (e.g. Age, gender) unrelated to construct being measured (e.g. Integrity)
- Predictive bias: situation in which the predicted level of job success favors one group over another

What is unadjusted top-down selection?

selecting applicants in straight rank-order of their results.

What is meant by 'banding' within selection methods and decisions and fairness?

A compromise between the top-down and passing scores approach. It takes into account that tests are not perfectly reliable (error). So banding attempts to hire the top test scorers, while still allowing some flexibility.

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