2004 OITE Question 149

Question

A randomized clinical trial study design is considered appropriate for which of the following situations?


1- Identifying which of several different clinical outcomes distinguishes one treatment group from another


2- Developing a clinical test to screen for a disease


3- Demonstrating statistically that individuals with a certain disease are more likely to have a specific risk factor than those without the disease


4- Demonstrating statistically that a clinical outcome in one treatment group is different from that in another treatment group


5- Demonstrating statistically that individuals exposed to a risk factor are more likely to be at risk for development of a disease than those not exposed

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