A Trial Begins with Presentation of a Discriminative Stimulus

Multiple Choice

A trial begins with presentation of a discriminative stimulus.If the stimulus is a light, a food pellet reinforcer will be set up after 20 seconds and can be earned with a lever press.If the stimulus is a tone, a food pellet reinforcer will be set up after 40 seconds and can be earned with a lever press.Test trials involve recording the subject's responses over 80 non-reinforced seconds.This procedure is called

A) a duration estimation task.
B) a peak procedure.
C) an interval training task.
D) a model-rival technique.