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Briefly delayed reinforcement: An interresponse time analysis.

K A Lattal, D R Ziegler

Journal of the Experimental Analysis of Behavior

|May 1, 1982

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Brief unsignaled delays in pigeon experiments increased short response times, while signaled delays decreased them. These findings highlight how delay signaling affects operant behavior and reinforcement schedules.

Area of Science:

Behavioral psychology
Animal cognition

Background:

Operant conditioning principles govern behavior.
Reinforcement schedules critically influence response rates and patterns.

Purpose of the Study:

To investigate the impact of immediate versus briefly delayed reinforcement on pigeon key-peck responding.
To compare the effects of signaled, unsignaled, and response-delay conditions on behavior.

Main Methods:

Pigeons were exposed to variable interval (VI) or differential reinforcement of low rates (DRL) schedules.
Reinforcement delivery was manipulated: immediate, signaled delay, unsignaled delay, and response-delay conditions.

Main Results:

Unsignaled delays increased response rates and short interresponse times (IRTs).

Related Experiment Videos

Signaled delays decreased response rates and short IRTs.

Response-delay conditions showed inconsistent effects on response rates but increased short IRTs.

Conclusions:

Brief unsignaled delays can eliminate response constraints, leading to more frequent short IRTs.
The signaling of reinforcement delay significantly alters its impact on behavior.
Findings contribute to understanding temporal factors in operant conditioning.