A new instrument has been determined to be highly valid. The nurse researcher should interpret this finding to mean what?
a. It is sensitive but not specific.
b. Its use results in minimal random errors.
c. It accurately measures level of mentation.
d. Determination of interrater reliability is unnecessary.
ANS: C
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A This answer does not reflect validity, but rather it reflects characteristics of screening tests.
B Validity does not guarantee minimal random errors.
C Validity of an instrument is associated with its accuracy.
D Interrater reliability is not an example of validity.
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