Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A stimulus, such as a reward, the removal of an unpleasant event, or a punishment, that in operant conditioning maintains or strengthens a desired response.

from The Century Dictionary.

  • noun One who reinforces or strengthens.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Something that reinforces; something that strengthens a behavior.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun (psychology) a stimulus that strengthens or weakens the behavior that produced it

Etymologies

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