Buck(noun) the male of deer, especially fallow deer and antelopes, or of goats, sheep, hares, and rabbits. Buck(noun) a gay, dashing young fellow; a fop; a dandy. Buck(noun) a male Indian or negro. Buck(verb) to copulate, as bucks and does.
The idea. The idea for a clinical research study â also known as a clinical trial â often originates in the laboratory. After researchers test new therapies or procedures in the laboratory and in animal studies, the most promising experimental treatments are moved into clinical trials, which are conducted in phases.
Research Study Types. There are many different types of research studies, and each has distinct strengths and weaknesses. In general, randomized trials and cohort studies provide the best information when looking at the link between a certain factor (like diet) and a health outcome (like heart disease). Laboratory and Animal Studies.