In a Gallup telephone survey of 1001 adults done before the Thanksgiving holiday, 58 said they would like to lose a few pounds. Which of the following applies to this study?
a. Randomized Experiment
b. Observational Study
c. Single Blind
d. Double Blind
Question 2
A large international trial recruited 7,000 healthy women and randomly assigned them to receive either tamoxifen or a placebo. The women were followed for a number of years and the breast cancer rates were compared between the two groups. Neither the women nor the treating physicians knew which treatment the women were actually receiving. Which of the following does not apply to this study?
a. Randomized Experiment
b. Casecontrol study
c. Placebo Control
d. Double Blind
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