A<unk> , also called a<unk>  trial or<unk>  study, is a form of medical clinical trial whereby participants are exposed to either a substance or "thing" that is claimed to provoke a response, or to a sham substance or device that should provoke no response. An example of a<unk> , performed on an individual, is a skin allergy test.
Provocation test
Contraction stress test
Combined intracavernous injection and stimulation test
Tecumseh step test
Evocative/suppression testing
Vaginoscopy
ISET Test
Projective test