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.
Last name origins & meanings: 1  Polish and Jewish (from Poland): from Polish sikora âtitmouseâ, âcoalmouseâ, hence a nickname for a small, dark person, or, in the case of the Jewish name, an ornamental name. 2  Jewish (from Poland): habitational name from any of the villages called Sikory.