Definition

1. Noun:
   • The act of making something stronger or more effective: "Reinforcement" refers to the process of adding support, strength, or validity to something.
   • A thing that strengthens or supports something else: "Reinforcement" can be a physical object or material that provides additional strength or stability.
   • (Psychology) A consequence that modifies a behavior: In behavioral psychology, "reinforcement" is a stimulus (like a reward or punishment) that increases or decreases the likelihood of a behavior being repeated.
   • Additional personnel or supplies sent to increase strength: In a military or organizational context, "reinforcement" means extra troops, equipment, or resources provided to support an existing force.

Usage Examples

• General Act of Strengthening:
  • The teacher used praise as positive reinforcement for good behavior.
  • The bridge required steel reinforcement to handle the increased traffic.
• Physical Strengthener:
  • The notebook had plastic reinforcements on the holes to prevent tearing.
• Psychological Stimulus:
  • In the experiment, food pellets served as reinforcement for the rat pressing the lever.
• Military/Organizational Support:
  • The general requested reinforcements for the besieged battalion.
  • We need reinforcement of our arguments with more data.

Advanced Usage

• "Positive reinforcement": (Psychology) The presentation of a rewarding stimulus following a desired behavior, which increases the frequency of that behavior.
  • Using positive reinforcement, such as extra playtime, effectively encouraged the children to clean up.
• "Negative reinforcement": (Psychology) The removal of an aversive stimulus following a desired behavior, which increases the frequency of that behavior. (Note: This is often confused with punishment, but it is different).
  • Turning off a loud alarm by buckling your seatbelt is an example of negative reinforcement.
• "In reinforcement of": As a way to support or strengthen a statement or argument.
  • She cited several studies in reinforcement of her theory.

Variants and Related Words

• Reinforce (verb): To strengthen or support.
  • We need to reinforce the walls.
• Reinforced (adjective): Made stronger.
  • The reinforced concrete withstood the earthquake.
• Reinforcer (noun): Something that provides reinforcement, especially in psychology.
  • The treat was a powerful reinforcer for the dog's obedience.

Synonyms

• Strengthening: The act of making stronger.
• Support: To bear the weight of; to assist.
• Bolstering: To support or strengthen.
• Backup: Extra help or support.

Related Phrases

• "Send in the reinforcements": A phrase, often used in a military or figurative context, meaning to dispatch additional support.
  • When the project started failing, the manager decided to send in the reinforcements.
• "Reinforcement learning": (Computer Science) A type of machine learning where an agent learns to make decisions by receiving rewards or penalties.
  • Reinforcement learning is used to train AI for complex games like chess.

Noun

1. an act performed to strengthen approved behavior
2. a device designed to provide additional strength
   • the cardboard backing was just a strengthener
   • he used gummed reinforcements to hold the page in his notebook
3. (psychology) a stimulus that strengthens or weakens the behavior that produced it
4. information that makes more forcible or convincing
   • his gestures provided eloquent reinforcement for his complaints
5. a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
   • they called for artillery support