scholarly journals The peak shift and behavioral contrast: Effects of discrimination training with delayed reinforcement

1972 ◽  
Vol 26 (5) ◽  
pp. 257-258 ◽  
Author(s):  
Donald M. Wilkie
Keyword(s):  
Discrimination Training ◽  
Behavioral Contrast ◽  
Peak Shift ◽  
Delayed Reinforcement ◽  
Contrast Effects

Some Determinants of the Peak Shift in Stimulus Generalization

1973 ◽  
Vol 32 (1) ◽  
pp. 47-58 ◽  
Author(s):  
Stephanie G. Weinberg
Keyword(s):  
Discrimination Training ◽  
Positive Reinforcement ◽  
Behavioral Contrast ◽  
Generalization Test ◽  
Variable Interval ◽  
Peak Shift ◽  
Test Session ◽  
Stimulus Generalization ◽  
Physical Separation ◽  
Subsequent Discrimination

Rats were pretrained in the presence of an auditory click rate stimulus of 14 pps correlated with variable-interval or variable-ratio reinforcement. During subsequent discrimination training, the added stimulus, correlated with extinction, was 18, 36, 72, or 0 (no sound) pps. After discrimination, Ss were given a generalization test session, in extinction, in which five click rate stimuli were presented. The inverse relationship between physical separation of the discrimination training stimuli and amount of peak shift of the generalization gradient occurred regardless of the original positive reinforcement schedule during training. Behavioral contrast was not produced by all Ss. Results demonstrated no effect of separation of training stimuli on behavioral contrast and that behavioral contrast and peak shift need not covary.

The effect of two types of baseline training on behavioral contrast and the peak shift

1973 ◽  
Vol 2 (6) ◽  
pp. 407-409 ◽  
Author(s):  
Abdulaziz A. Dukhayyil ◽  
Joseph E. Lyons
Keyword(s):  
Behavioral Contrast ◽  
Peak Shift ◽  
Baseline Training

The role of response-independent reinforcement in producing behavioral contrast effects in the rat

1971 ◽  
Vol 2 (2) ◽  
pp. 138-147 ◽  
Author(s):  
Betty Jo Freeman
Keyword(s):  
Behavioral Contrast ◽  
Contrast Effects

scholarly journals BEHAVIORAL CONTRAST AND THE PEAK SHIFT: EFFECTS OF EXTENDED DISCRIMINATION TRAINING1

1966 ◽  
Vol 9 (6) ◽  
pp. 613-617 ◽  
Author(s):  
H. S. Terrace
Keyword(s):  
Behavioral Contrast ◽  
Peak Shift

Positive and negative contrast effects using delayed reinforcement

1972 ◽  
Vol 3 (2) ◽  
pp. 185-193 ◽  
Author(s):  
Roger L. Mellgren
Keyword(s):  
Negative Contrast ◽  
Delayed Reinforcement ◽  
Contrast Effects

scholarly journals AN INVESTIGATION OF PEAK SHIFT AND BEHAVIORAL CONTRAST FOR AUTOSHAPED AND OPERANT BEHAVIOR

1980 ◽  
Vol 33 (1) ◽  
pp. 101-118 ◽  
Author(s):  
M. Catherine Bushnell ◽  
Stanley J. Weiss
Keyword(s):  
Operant Behavior ◽  
Behavioral Contrast ◽  
Peak Shift
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