Billy Bob's Big Burger Barn is your favourite restaurant, and lately you've noticed that every time you walk by there on your way to class, your mouth starts to salivate. In this incidence of classical conditioning, the sight of the restaurant is the and your salivation is the .

A) US; UR
B) CS; CR
C) CS; UR
D) US; CR

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects