scholarly journals A multivariate study of competition in a free-operant situation

1971 ◽  
Vol 23 (3) ◽  
pp. 251-252 ◽  
Author(s):  
Robert S. Ruskin ◽  
Charles D. Corman



1968 ◽  
Vol 27 (3_suppl) ◽  
pp. 1071-1074 ◽  
Author(s):  
Kenneth R. Fineman

It was hypothesized that systematic visual-color consequences contingent upon verbalizations would be effective in augmenting the rate of sounds as well as shaping specific words and word approximations, in a six-yr.-old autistic child. It was found that verbalizations were augmented over a base rate in a free operant situation. However, in a prompt-response contingency food was significantly more powerful in shaping specific sounds. Reasons for the difference were discussed.



1968 ◽  
Vol 12 (7) ◽  
pp. 323-324 ◽  
Author(s):  
Kenneth Traupmann ◽  
John J. Porter


1964 ◽  
Vol 19 (3) ◽  
pp. 927-934 ◽  
Author(s):  
Charles N. Uhl

Rats were trained on a single-stimulus, successive discrimination in a free operant situation. An irrelevant stimulus dimension was present at ail times. Following attainment of the acquisition criterion, Ss were shifted immediately or given 4 or 8 days of overtraining before being shifted. Half of Ss were given a reversal shift and half a nonreversal shift. Overtraining did not affect reversal or nonreversal learning. These results were contrasted with those of Mackintosh (1962). Various theoretical issues were discussed in light of the present findings. It was tentatively concluded that the overtraining effect depends upon the role of observing behavior in the formation and overtraining of a discrimination.



1972 ◽  
Vol 81 (2) ◽  
pp. 315-319 ◽  
Author(s):  
Robert S. Ruskin ◽  
Charles D. Corman


1972 ◽  
Vol 31 (2) ◽  
pp. 539-544 ◽  
Author(s):  
Tom N. Tombaugh ◽  
Pierre St. Jean

The effects of five levels of training (210, 490, 1470, 2450, 3430 reinforced responses) on extinction performance were investigated. A free-operant bar-press paradigm was employed. A continuous reinforcement schedule was used with .12 ml. of 64% sucrose. Number of bar-presses and duration of time to reach a 1-min. non-response criterion showed that resistance to extinction was an increasing function of the number of reinforcements during training. However, the amount of time required to reach a 5-min. criterion showed the opposite relationship. It was concluded that different criteria reflected different patterns of extinction behavior and that the overtraining extinction effect (decreased resistance to extinction following extended training) could be demonstrated in a free-operant situation if the appropriate criteria were selected.



1975 ◽  
Vol 37 (3) ◽  
pp. 201-209
Author(s):  
Jerome S. Cohen ◽  
B. Michael Quirt


1985 ◽  
Vol 11 (3) ◽  
pp. 231-245
Author(s):  
Victor A. Benassi ◽  
Russell L. Knoth ◽  
Heike I. M. Mahler


1967 ◽  
Vol 24 (1) ◽  
pp. 75-82 ◽  
Author(s):  
Charles N. Uhl ◽  
B. Kent Parker ◽  
Philip B. Wooton

Rats were trained on a single-stimulus, successive discrimination in a free operant situation with continuous reinforcement of responding to S+. Ss were given 0, 4, or 8 days of overtraining (OT) after reaching the discrimination criterion. Half of the Ss were given a reversal shift (RS) and half a nonreversal shift (NRS). An irrelevant stimulus dimension was present at all times in Exp. 1, and it was absent in Exp. 2. OT did not affect RS or NRS learning in either experiment. NRS learning was faster than RS learning. These results were contrasted with other studies which have reported that OT facilitated RS learning and impeded NRS learning. Certain theoretical interpretations of discrimination learning, particularly Sutherland's treatment of centrally mediated attentional mechanisms, were critically discussed in light of the present findings.



1974 ◽  
Vol 38 (1) ◽  
pp. 235-238 ◽  
Author(s):  
Clifford M. Miyashiro ◽  
David L. Russell

The hypothesis that the experiment itself provided a change in stimulation was tested under conditions of perceptual deprivation with and without delay of self-stimulation in a free operant situation. Also tested was the hypothesis that extraverts would differ from introverts in seeking more frequent changes in self-administered sound stimulation, rather than in seeking stimulation of greater duration. Parametric tests indicated no significant difference between delay and non-delay groups or between introverts and extraverts with respect to duration and frequency of sound stimulation. Non-parametric test, however, showed extraverts tended to seek significantly more changes of self-stimulation than introverts.



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