so as to avoid prejudice. An early example of a double-blind protocol was the Nuremberg salt test of 1835 performed by Friedrich Wilhelm von Hoven, Nuremberg's...

vision test is used for measuring color vision against a standard. These tests are most often used to diagnose color vision deficiencies (color blindness),...

the task of creating a color blindness test. Ishihara studied existing tests and combined elements of the Stilling test, named after the German ophthalmologist...

of color blindness is usually done with a color vision test, such as the Ishihara test. There is no cure for most causes of color blindness, however there...

In marketing, a blind taste test is often used as a tool for companies to compare their brand to another brand. For example, the Pepsi Challenge is a famous...

Octopus A blind spot, scotoma, is an obscuration of the visual field. A particular blind spot known as the physiological blind spot, "blind point", or...

began to use blind tests, in which listeners cannot see the components being tested. A commonly used variant of this test is the ABX test. A subject is...

Inattentional blindness or perceptual blindness (rarely called inattentive blindness) occurs when an individual fails to perceive an unexpected stimulus...

double-blind test was conducted by Richard Saunders of the Australian Skeptics on the Australian television program Today Tonight. The results of the test showed...

tasters have said that Mexican Coca-Cola tastes better, while other blind tasting tests reported no perceptible differences in flavor. Mexican Coke should...