In the First Phase of an Experiment, One Group of Rats

Multiple Choice

In the first phase of an experiment, one group of rats is reinforced for every lever press.Another group of rats is reinforced for every 15th lever press.In the second phase, both groups receive continuous reinforcement.In later extinction trials, subjects that received continuous reinforcement in phase 1 decreased responding more quickly than those that were reinforced every 15th trial.These findings support

A) the discrimination hypothesis.
B) the extinction burst hypothesis.
C) the modern two-process theory.
D) the frustration theory.