A researcher wishes to evaluate the reliability of a visual analog pain scale in a group of postoperative patients. The best way to do this is to compare results
a. to results of the test when given to another set of subjects.
b. to results from the same subjects using the FACES rating scale.
c. to results from a previous measure with a different visual analog scale.
d. to results from a group of subjects who have minimal or no pain.
Question 2
Which generally is an advantage of using primary data in a research study?
a. It allows researchers to conduct more longitudinal studies.
b. It has greater specificity to the study purpose.
c. It puts less burden on study participants.
d. It reduces the cost of data collection.
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