Relative reward effects in differential conditioning.

1969 ◽  
Vol 68 (4) ◽  
pp. 589-592 ◽  
Author(s):  
Roy T. Matsumoto
Keyword(s):  
Differential Conditioning ◽  
Reward Effects

Differential conditioning of fear to ingroup and outgroup faces

2004 ◽  
Author(s):  
Leah R. Zinner ◽  
Eddie Harmon-Jones ◽  
Patricia G. Devine ◽  
David M. Amodio
Keyword(s):  
Differential Conditioning

Effect of Reinforcement of the Negative Discriminandum in Differential Conditioning

1964 ◽  
Vol 14 (1) ◽  
pp. 107-110 ◽  
Author(s):  
Peter J. Donovick ◽  
Leonard E. Ross
Keyword(s):  
Phase I ◽  
Discrimination Learning ◽  
Differential Conditioning ◽  
Discrimination Problem ◽  
Single Stimulus ◽  
Female Rats ◽  
Second Phase ◽  
Learning Situation ◽  
Learning Conditions ◽  
The Difference

The present investigation was concerned with the reduction of inhibition associated with the negative discriminandum in a single stimulus discrimination learning situation. In Phase I 33 female rats were trained on a black-white discrimination problem. In the second phase Ss were divided into three groups which received: (a) 100% reinforcement to both the old positive and negative discriminanda; (b) four trials per day to the old negative, 100% reward; (c) eight trials per day to the old negative, 100% reward. As in previous studies, which employed simultaneous discrimination learning conditions, speed to the old negative remained significantly below speed to the old positive in the second phase. However, unlike the previous results, the difference decreased over trials. No differences were found between the groups that had trials to the old negative cue only, or between these groups and either speed to the old positive or the old negative in the case of the group receiving reward on both cues.

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