Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle. Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.
The term âfutilityâ is used to refer to the inability of a clinical trial to achieve its objectives. In particular, stopping a clinical trial when the interim results suggest that it is unlikely to achieve statistical significance can save resources that could be used on more promising research.
Clinical trials are studies in which people volunteer to take part in tests of new drugs or procedures.Doctors use clinical trials to develop new treatments for serious diseases such as cancer.linical trials are studies in which people volunteer to take part in tests of new drugs or procedures.