An Exploration of Remote History Effects in Humans: II. The Effects Under Fixed-Interval, Variable-Interval, and Fixed-Ratio Schedules

2010 ◽  
Vol 60 (1) ◽  
pp. 27-41 ◽  
Author(s):  
Hiroto Okouchi
Keyword(s):  
Fixed Ratio ◽  
Variable Interval ◽  
Fixed Interval ◽  
Interval Variable ◽  
History Effects

scholarly journals Within-session changes in responding during concurrent fixed interval variable interval schedules

1999 ◽  
Vol 27 (2) ◽  
pp. 236-248 ◽  
Author(s):  
Frances K. Mcsweeney ◽  
Samantha Swindell ◽  
Jeffrey N. Weatherly
Keyword(s):  
Variable Interval ◽  
Fixed Interval ◽  
Interval Variable

The Effects of Variable-Interval and Fixed-Interval Signal Presentation Schedules on the Auditory Evoked Response

1969 ◽  
Vol 12 (1) ◽  
pp. 199-209 ◽  
Author(s):  
David A. Nelson ◽  
Frank M. Lassman ◽  
Richard L. Hoel
Keyword(s):  
Variable Interval ◽  
Tone Burst ◽  
Signal Amplitude ◽  
Fixed Interval ◽  
Interval Schedule ◽  
Sensation Level ◽  
Fixed Interval Schedule ◽  
Auditory Evoked Responses ◽  
Auditory Evoked Response ◽  
Signal Presentation

Averaged auditory evoked responses to 1000-Hz 20-msec tone bursts were obtained from normal-hearing adults under two different intersignal interval schedules: (1) a fixed-interval schedule with 2-sec intersignal intervals, and (2) a variable-interval schedule of intersignal intervals ranging randomly from 1.0 sec to 4.5 sec with a mean of 2 sec. Peak-to-peak amplitudes (N 1 — P 2 ) as well as latencies of components P 1 , N 1 , P 2 , and N 2 were compared under the two different conditions of intersignal interval. No consistent or significant differences between variable- and fixed-interval schedules were found in the averaged responses to signals of either 20 dB SL or 50 dB SL. Neither were there significant schedule differences when 35 or 70 epochs were averaged per response. There were, however, significant effects due to signal amplitude and to the number of epochs averaged per response. Response amplitude increased and response latency decreased with sensation level of the tone burst.

Operant Conditioning of Virginia Opossum

1970 ◽  
Vol 26 (1) ◽  
pp. 83-86 ◽  
Author(s):  
A. L. Cone ◽  
Donna M. Cone
Keyword(s):  
Operant Conditioning ◽  
Lever Press ◽  
Fixed Ratio ◽  
Fixed Interval ◽  
Response Style ◽  
Water Reinforcement ◽  
Deprivation Schedule ◽  
Limited Hold ◽  
Virginia Opossum

Laboratory-raised Virginia opossum have been found to readily acquire a lever-press response for water reinforcement. Fixed ratio behavior is comparable to that observed in other species. Fixed interval behavior, however, tends to move fairly rapidly toward an economical response style in which very few responses are emitted per reinforcement. Neither introduction of limited hold procedures nor lengthening of the deprivation schedule had any effect upon the FI responding.

scholarly journals Fixed-interval and fixed-ratio reinforcement schedules with human subjects

1988 ◽  
Vol 6 (1) ◽  
pp. 33-44 ◽  
Author(s):  
Lawrence T. Stoddard ◽  
Murray Sidman ◽  
Joseph V. Brady
Keyword(s):  
Human Subjects ◽  
Fixed Ratio ◽  
Fixed Interval ◽  
Reinforcement Schedules ◽  
Fixed Ratio Reinforcement
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