Adverse Impact - Psychometric Glossary
Indicates if there is a disproportionate level of rejection by one sub-group, compared to the remainder of individuals who are being assessed for selection. Adverse impact can be calculated using the Four-Fifths Rule, which states that adverse impact exists when a selection rate for a group is less than four-fifths (80%) of the selection rate for the group with the highest rate of selection. Adverse impact does not necessarily mean the tool being used is unfair, but it certainly warrants explanation.
See also:
Graphology, Level A (BPS Qualification), Level B (BPS Qualification)
Other articles:
Ability, Ability Test, Aptitude Battery, Aptitude Test, Assessment Centre / Assessment Center, Attainment Test, Attempted Questions, Authentication
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