Which question should the nurse ask in order to judge the validity of a research study?
A) What reliability information has been provided?
B) Are the instrument measures applied consistently?
C) Does the instrument measure what it is supposed to measure?
D) How much random error exists?

Question

Quizplus · Accepted Answer

Validity measures the degree to which an instrument is measuring what it is supposed to measure. Reliability measures whether the device, technique, or instrument accurately collects the intended data. How consistently the measurements are applied and what amount of random error exists have nothing to do with testing validity.

Which Question Should the Nurse Ask in Order to Judge