The aspect of reliability for which interobserver reliability is appropriate is which of the following?
A) Stability
B) Internal consistency
C) Equivalence
D) Specificity
C
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Equivalence, in reliability assessment, primarily concerns the degree to which two or more independent observers or coders agree about scoring on an instrument. Internal consistency reliability, which refers to the extent to which the entire instrument's items are measuring the same attribute, is usually assessed with Cronbach's alpha. The stability aspect of reliability, which concerns the extent to which an instrument yields similar results on two administrations, is evaluated by test–retest procedures. Specificity is the instrument's ability to identify non-cases correctly (i.e., its rate of yielding true negatives).
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