Effect of intertrial reinforcement on the aftereffect of nonreinforcement and resistance to extinction.

1963 ◽  
Vol 65 (1) ◽  
pp. 70-74 ◽  
Author(s):  
E. J. Capaldi ◽  
Dick Hart ◽  
Larry R. Stanley
Keyword(s):  
Resistance To Extinction ◽  
Intertrial Reinforcement

Influence of Consecutive Small-Reward Trials and Intertrial Reinforcements in the Varied Magnitude of Reinforcement Experiment

1969 ◽  
Vol 25 (3) ◽  
pp. 815-824
Author(s):  
James H. Thomas ◽  
M. J. Homzie
Keyword(s):  
Small Reward ◽  
Partial Reinforcement ◽  
Small Magnitude ◽  
Resistance To Extinction ◽  
Intertrial Reinforcement ◽  
Reinforcement Procedure

2 varied magnitude of reward instrumental runway studies with rats were conducted to ascertain whether the sequential variables, intertrial reinforcements and number of successive small magnitude of reward trials (S-length) would influence resistance to extinction (Rn) in a manner similar to that of comparable variables in the partial reinforcement (PR) situation. Exp. I indicated that S-length affects Rn in the same manner as the number of consecutive nonreinforced trials in the PR experiment. Contrary to the results of PR experiments, in Exps. I and II, the intertrial reinforcement procedure did not reduce Rn. The results of the two experiments indicate, however, that animals receiving identical goal events but differing in the sequence of such events exhibit differential Rn.

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