Here the answer is Community Preventive Randomized Controlled trial.
As we are having a sample size of a town, so it would be community.
And we are not using any therapeutic study but we are going for a preventive trial.
Option C is correct here.
Town A and Town B are both located in Massachusetts. Both towns have approximately 100,000 residents,...
Town A and town B are both located in Massachusetts, both towns have approximately 100.000 residents, and their own water supply. Fluoride is added to the water supply of town A; nothing is added to the water supply of town B. The decision to add fluoride to town A’s water, and not Town B’s, was made using a random number table. Both towns are monitored and compared with regards to the occurrence of new cases of dental caries ( cavities)...
. Five hundred (500) patients with hypertension are enrolled in a trial. Two-hundred fifty (250) are given and antihypertensive drug while 250 are given the same drug plus a water-pill. The decision to give one treatment versus the other to each person was made using a random number table. Both groups are followed for 2 years and are compared to see which group has the lowest blood pressure levels. What type of study is this? a) Individual Preventive Randomized Controlled...