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Review Question - QID 103974

Bias QID: 103974 (M1.ST.14.12)
In scope icon M 1 D
QID 103974 (Type "103974" in App Search)
A new formula for an anti-wrinkle cream is being tested for efficacy in a group of 362 healthy 40- to 60-year-old female volunteers. The marketing team randomizes the volunteers. Half receive the new formula and the other half of the volunteers receive the original formula. The mean age in the test group is 48 (95% CI 42-56), and the average age of the control group is 49 (95% CI 42-55). The volunteers are unaware of which formula they receive. The research and development team then compares bef...
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