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.
Quasi-experimental research is research that will include features of a true experiment, but some elements may be missing. Three types of quasi-experimental research are: cross-sectional, longitudinal, and cross-sequential. Cross-sectional research studies make a comparison of different groups at the same time.