A scientist rings a bell just prior to presenting meat to the dogs in his laboratory. After
several pairings, the dogs begin salivating when the bell is rung, even when no meat is
presented. In this study, the bell is the ______.
a. unconditioned stimulus c. conditioned stimulus
b. unconditioned response d. conditioned response
Question 2
A scientist rings a bell just prior to presenting meat to the dogs in his laboratory. After
several pairings, the dogs begin salivating when the bell is rung, even when no meat is
presented. In this study, the meat is the ______.
a. unconditioned stimulus c. conditioned stimulus
b. unconditioned response d. conditioned response
Laboratory Mouse
Galaxies with Rings
Theodore Brookhart and Egmont C. Arens, "Streamliner" Meat Slicer, Model 410.
Color Is Not Always an Indicator of Whether Meat Is Thoroughly Cooked
Normal frequency distribution, characterized by a bell-shaped curve
An antigen-presenting dendritic cell (blue) interacting with a T cell (yellow)