👉 The "Eyeball Color Test" was a controversial experiment where participants' eyes were placed over opaque glass and they chose their preferred color, purportedly to reveal any inherent racial or psychological biases; however, numerous studies have shown that individual preference for color is largely influenced by personal taste rather than group identity. Another well-known example involves forcing people into groups to perform tasks under colored lights, which supposedly manipulated behavior but was later discredited as a method of inducing false group behaviors due to its artificial nature and limited scope.