A nurse researcher is assessing how well patients respond to two different dosing regimens of a new drug approved to treat diabetic neuropathy. Two different dosing regimens are administered, and side effects are monitored. Results are shown in Table 1-2.

If the nurse researcher asked the subjects to describe their headache, would this be a quantitative or a qualitative variable? In the second phase of this study, the nurse researcher asks the study participants to report changes in signs and symptoms of their neuropathy. She determines that those on the low-dose regimen had a similar level of pain relief and improvement in mobility as those who took the high-dose drug regimen.

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TABLE 1-2 Side Effect Reported Nausea Headache Weight gain Weight loss Lethargy Self-Reported Side Effects of Two Randomized Groups of 100 Individuals Treated for Diabetic Neuropathy Skin rash Low Dosage 8 3 1 0 3 13 High Dosage 21 5 0 6 11 13