A Research Assistant in a Lab Conditions Dogs to Salivate

Multiple Choice

A research assistant in a lab conditions dogs to salivate to the sound of a bell. During conditioning, the assistant deliberately manipulates the interval between the sound of the bell and the presentation of food. After conditioning, he measures how much the dog salivates when the bell is presented alone. The interval is the _____ variable. The amount of salivation is the _____ variable.

A) dependent; experimental
B) dependent; independent
C) independent; control
D) independent; dependent