Fairness of the SIGS-2
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Fairness of the SIGS-2 book
The publication of the Standards for Educational and Psychological Testing substantially elevated the importance of fairness in testing and assessment. Fairness is now widely considered a foundational element of assessment along with validity and reliability. The SIGS provided evidence that the items were not interpreted differently for selected groups. When developing the SIGS, Ryser and McConnell examined the DIF of three groups: Black versus non-Black, Hispanic versus non-Hispanic, and males versus females. Although multiple definitions of fairness exist and sometimes even contradict each other, the general principle of fairness in assessment development is that the inferences made by the assessment tool are made on scores that are valid for different groups of test takers.