Last Updated：2025/11/20
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In the operant conditioning setup, the rat repeatedly pressed the operandum to obtain a food pellet as a reinforcer.
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In the operant conditioning setup, the rat repeatedly pressed the operandum to obtain a food pellet as a reinforcer.
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Related words
operandum
Noun
A
lever,
key
or
device
installed
in
a
operant
chamber,
upon
which
the
"subject"
exerts
its
responses.
Sometimes
referred
to
as
a
manipulandum.
In
the
prototypical
operant
conditioning
experiment,
a
rat
(the
subject)
presses
upon
a
lever
(the
operandum)
which
triggers
the
delivery
of
food
(the
reward
or
reinforcer).
Japanese Meaning
オペラント条件付け実験において、被験者（例：ラット）が反応を示すために操作するレバー、キー、または装置。
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