Last Updated：2025/12/06
A hypothesis attempting to explain how evolution may lead to honest
or reliable signalling between animals which have an obvious motivation to bluff or deceive each other. It suggests that costly signals must be reliable, costing the signaller something that could not be afforded by an individual with less of a particular trait.
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handicap principle
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Source Word
handicap principle
Proper noun
A
hypothesis
attempting
to
explain
how
evolution
may
lead
to
"honest"
or
reliable
signalling
between
animals
which
have
an
obvious
motivation
to
bluff
or
deceive
each
other.
It
suggests
that
costly
signals
must
be
reliable,
costing
the
signaller
something
that
could
not
be
afforded
by
an
individual
with
less
of
a
particular
trait.
Japanese Meaning
ハンディキャップ原理：進化の過程で、動物同士が互いにブロフや欺瞞を行う動機を持つ中で、信頼できる（誠実な）シグナルが伝達される仕組みを説明するための仮説。すなわち、シグナルを発する際に高いコスト（ハンディキャップ）を伴うことで、信号が信頼性を持つとされる考え方。
Sense（1）
A
hypothesis
attempting
to
explain
how
evolution
may
lead
to
"honest"
or
reliable
signalling
between
animals
which
have
an
obvious
motivation
to
bluff
or
deceive
each
other.
It
suggests
that
costly
signals
must
be
reliable,
costing
the
signaller
something
that
could
not
be
afforded
by
an
individual
with
less
of
a
particular
trait.
（ canonical ）
