EFFECTS OF PARTIAL REINFORCEMENT ON ACQUISITION AND EXTINCTION OF THE CONDITIONED EYEBLINK IN A MASKING SITUATION.

THE EFFECT OF PARTIAL REINFORCEMENT ON THE ACQUISITION AND EXTINCTION OF THE EYELID CR IN HUMAN SS WAS INVESTIGATED IN THE CONTEXT OF A MASKING SITUATION (PROBABILITY LEARNING). ALL SS WERE GIVEN 60 REINFORCED TRIALS AND PARTIAL SS ALSO RECEIVED AN EQUAL NUMBER OF NONREINFORCED (DELAYED UCS) TRIALS IN SUCH A MANNER AS TO EQUATE CS, UCS, AND CS-UCS PRESENTATION RATES IN PARTIAL AND CONTINUOUS GROUPS. EXTINCTION WAS CARRIED OUT WITH AN UNPAIRED …