A pilot trial is undertaken first to find unforeseen obstacles to data gathering during participation in a research study.
A pilot trial is a small-scale study conducted to plan and assess the feasibility of a large-scale study. They are also examining whether the methods and procedures can obtain the data needed to answer questions addressed in larger studies.
Yes, and often small studies that help plan and modify major studies. More specifically, in large clinical trials, pilot trial or small trials are often conducted before the main trial to analyze their efficacy.
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