A procedure for generating differential "sample" responding without different exteroceptive stimuli

Article Abstract:

An experiment with pigeons is described that test the hypothesis that responses and stimuli can join equivalence classes. The "unsignaled response" procedure with pigeon is useful for assessing whether differential response can be members of acquired equivalence classes.

Response consistency, Perception in animals, Animal perception

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Sample-duration effects on pigeons' delayed matching as a function of predictability of duration

Article Abstract:

Researchers examine pigeons' responses to constant exposure to a conditioned stimulus. The research attempts to find a relationship between duration effects, delayed matching accuracy, and predictability.

Statistical Data Included, Evaluation, Stimulus intensity, Time perception in animals, Animal time perception

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Failure to replicate the "work ethic" effect in pigeons

Article Abstract:

The work ethic phenomenon could not be reproduced experimentally in pigeons as shown by using the pecking stimulus.

Analysis, Social hierarchy in animals, Dominance (Animal behavior), Work ethic

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