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: Coit. Recorded in many forms including Coit, Coite, Coyte, Coyett, Coytes, Quoit and Quoite, this is an English surname. Its origin however is very obscure. We believe that it is probably from an Olde English pre 7th century personal name Coyt meaning rounded, and one possibly used as a nickname, or it may have some sporting connection.