The Partial Reinforcement Hump in A Two-Choice Sequential Prediction Task With Alternatives of Unequal Frequency

1985 ◽  
Vol 35 (3) ◽  
pp. 391-399
Author(s):  
Raymond E. Hartley ◽  
Carl D. Williams
Keyword(s):  
Partial Reinforcement ◽  
Prediction Task ◽  
Sequential Prediction ◽  
Unequal Frequency

Humphreys' “Acquisition and Extinction of Verbal Expectations” Revisited: Evidence for a Partial Reinforcement Hump Effect

1982 ◽  
Vol 51 (3_suppl) ◽  
pp. 1023-1034 ◽  
Author(s):  
Carl D. Williams ◽  
Raymond E. Hartley
Keyword(s):  
College Students ◽  
Strong Support ◽  
Partial Reinforcement ◽  
Partial Reinforcement Extinction Effect ◽  
Run Length ◽  
Prediction Task ◽  
Sequential Prediction ◽  
Reliable Phenomenon

The present study employed the sequential prediction task to determine whether the partial reinforcement hump effect—a rise in the dependent variable curve following partial reinforcement—is a reliable phenomenon. 210 college students received one of seven sequences in which two events occurred equally often for 100 trials and in which the maximum run length was 2, 3, 4, 5, 6, 7, or 8, followed by 30 trials during which one event was always correct. A hump appeared in the post-acquisition curves of all seven groups. The location of the hump was a function of the maximum run length during Trials 1–100. These results provide strong support for an expectancy interpretation of the partial reinforcement extinction effect.

Cue utilization in a numerical prediction task

1974 ◽  
Author(s):  
Sarah Lichtenstein ◽  
Timothy C. Earle ◽  
Paul Slovic
Keyword(s):  
Numerical Prediction ◽  
Cue Utilization ◽  
Prediction Task

The Effects of Partial Reinforcement on the Ambiguous Cue Effect

2006 ◽  
Author(s):  
Sarah A. Michalek ◽  
Marco Vasconcelos ◽  
Peter J. Urcuioli
Keyword(s):  
Partial Reinforcement ◽  
Ambiguous Cue
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