A research summary states: 'Patients who received discharge instructions in both written and verbal formats were 34% more likely to correctly follow their medication regimens than those who received verbal instructions alone. However, health literacy was not controlled for in this study.' What is the most accurate logical conclusion a reader should draw?
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ACombined written and verbal instructions appear to improve medication adherence, but the finding should be interpreted cautiously because health literacy was not accounted for as a variable.
BThe study definitively proves that dual-format instructions should replace verbal-only discharge protocols in all hospitals.
CWritten instructions alone are superior to verbal instructions for all patient populations.
DHealth literacy has no meaningful effect on a patient's ability to follow medication regimens.
✓ Correct answer: A. Combined written and verbal instructions appear to improve medication adherence, but the finding should be interpreted cautiously because health literacy was not accounted for as a variable.Drawing a logical conclusion requires weighing both the finding and its stated limitations; the uncontrolled variable of health literacy means the result is promising but not yet conclusive, making a cautious interpretation the only logically defensible stance.
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