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.
Wu Yifan (simplified Chinese: å´äº¦å¡; traditional Chinese: å³äº¦å¡; pinyin: WÃº YÃ¬fÃ¡n, pronounced ; born November 6, 1990), professionally known as Kris Wu or Kris, is a Chinese-born Canadian actor, singer, and model. He is a former member of South Korean-Chinese boy band EXO and its subgroup EXO-M under S.M. Entertainment.