Englishfor English speakers
stimulus
Noun
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A stimulus is an event that causes a system to change its output or behavior.
The primary goal of the $31 billion economic stimulus package was to increase job growth.
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A stimulus is something that is noticed by the senses.
The mice responded with fear to the painful stimulus.
response
Noun
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A response is some words or actions that happen as a reaction to something else.
We sent a message to them two weeks ago, but there has been no response so far.
The police response to these problems has been slow and weak.
In psychology, a response is a behavior which occurs after a stimulus.