a stimulus that is just strong enough to elicit a response. unconditioned stimulus. any stimulus that is capable of eliciting an unconditioned response. See also conditioning. unstructured stimulus. an unclear or ambiguous stimulus, the perception of which is influenced to a greater extent by the characteristics of the perceiver than by those of the stimulus.
Yip, YIP, or yips may refer to: Yip (nickname), a list of people. Ye (surname), a Chinese surname also romanized as Yip (è), including a list of people.
Lee is the typical romanization of the common South Korean surname I (. ì´), North Korean surname Ri (ë¦¬) and surname Ye in the Korean Empire (as Ye Wanyong) at the end of the 19th century.The name is written identically to the Chinese name Li æ in Hanja characters. It is the second-most-common surname in Korea, behind only Kim.ue to NorthâSouth differences in the Korean language, the traditional pronunciation of ì´ is still employed in South Korea and is similar to the English surname  Lee  (as Lee Myung-bak).