Predictive validity of assessment methods | NSW Public Service Commission

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Validity of assessment methods in predicting job performance


Validity (Hight to Low)	Assessment methods
0.63	Cognitive ability test + structured interview Cognitive ability test + work sample test
0.54	Work sample test
0.51	Cognitive ability test Structured interview
0.31	Unstructured interview
0.26	Reference check
0.18	Job experience (years)
0.10	Years of education
- 0.01	Age

Source: Schmidt, FL & Hunter, JE, 1998, ‘The validity of utility selection methods in personnel psychology: Practical and theoretical implications of 85 years of research findings’, Psychological Bulletin, Vol.124, No.2, pp.262-274.