reinforce

ree-in-FORSS /ˌriːɪnˈfɔːrs/
verbB2GRESAT
TechnicalAcademic

To strengthen a behavior by providing a consequence that increases the likelihood of that behavior being repeated.

Often used as 'positive reinforcement' (adding a treat) or 'negative reinforcement' (removing something unpleasant).

The story behind the word. Derived from the French 'renforcer,' it originally referred to adding more troops to a military line to make it stronger. In the 20th century, B.F. Skinner adopted it for behavioral psychology.

Word relationships

  • bolster: Bolster means to support or prop up, while reinforce specifically means to make a behavior more frequent.
  • weaken: Weaken is a general term, whereas in training, 'extinguish' is the technical term for stopping a behavior.

Commonly confused with

  • reward: A reward is a gift; reinforcement is a functional relationship that changes future behavior.

Word family

  • reinforcement (noun): The act of strengthening.

Collocations

  • positively reinforce
  • reinforce a behavior
  • reinforce a habit

Example sentences

  • "To reinforce the 'sit' command, give the puppy a treat the moment its tail touches the floor." Psychological principles of training.

Memory hook

RE-IN-FORCE: To put FORCE back INto a behavior so it stays strong. Strength through repetition.

When not to use

Don't confuse with 'reward'; a reward is the thing you give, while reinforce is the psychological process of strengthening the habit.

Fun facts

  • Negative reinforcement is not punishment; it's the removal of something annoying (like a seatbelt beep) to encourage a behavior.

Related words

clicker, cue

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