Temporary interference of insolvable discrimination reversal training upon learning set in the squirrel monkey.

1964 ◽  
Vol 57 (2) ◽  
pp. 302-304 ◽  
Author(s):  
Duane M. Rumbaugh ◽  
Merle M. Prim
Keyword(s):  
Squirrel Monkey ◽  
Discrimination Reversal ◽  
Reversal Training ◽  
Learning Set

Effect of Criterional Learning-Set Training Where Problem Objects are Encased in Plexiglas Bins

1965 ◽  
Vol 21 (2) ◽  
pp. 544-546 ◽  
Author(s):  
Joseph W. Ternes ◽  
Enrique J. Abordo ◽  
Duane M. Rumbaugh
Keyword(s):  
Squirrel Monkey ◽  
Problem Presentation ◽  
Learning Set

Extended criterional learning-set (LS) training prior to test on a series of 6-tr/LS problems provided a significant, but transitory, advantage for Ss trained in a situation where problem objects were encased in Plexiglas bins. Criterional training appeared to compensate, at least partially, for those characteristics of this method of problem presentation which render squirrel monkey Ss learning-setless when given just 6-tr/LS training (Rumbaugh, Ternes, & Abordo, 1965).

Position Reversal Training in the Virginia Opossum: Evidence for the Acquisition of a Learning Set

1965 ◽  
Vol 17 (3) ◽  
pp. 250-254 ◽  
Author(s):  
Herbert Friedman ◽  
David A. Marshall
Keyword(s):  
Transfer Of Learning ◽  
Daily Session ◽  
Learning Ability ◽  
Reversal Training ◽  
Position Learning ◽  
Learning Set ◽  
Virginia Opossum

To obtain an estimate of the learning ability of opossums, five tame ones were trained on a series of position reversals to a criterion. With 4 trials per day there was no consistent improvement over a series of 15 reversals. When each daily session was increased to as many trials as needed to reach criterion, errors dropped sharply, indicating the formation of a position learning set. Upon return to 4 trials per day, 3 of 4 animals continued to perform with few errors, showing transfer of learning set. Opossums do more poorly than rats on this task, which is in agreement with the relative phyletic level of the two species.

Error Reduction by Pigeons on a Spatial Successive Reversal Task under Conditions of Non-Correction

1966 ◽  
Vol 18 (2) ◽  
pp. 367-370 ◽  
Author(s):  
Robert L. Gossette ◽  
Harvey Cohen
Keyword(s):  
Error Score ◽  
Error Reduction ◽  
Discrimination Reversal ◽  
Spatial Discrimination ◽  
Reversal Training ◽  
Reversal Task ◽  
Reversal Performance ◽  
Successive Reversal ◽  
Initial Peak

The performance of 5 pigeons on a successive spatial discrimination reversal task was studied over 29 reversals under conditions of non-correction. A significant reduction of errors occurred following an initial peak error score on the second reversal. Intra-problem error reduction was also significant, with errors remaining only during the initial trials of a session with continued reversal training. Terminal reversal performance approached one-trial reversal.

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