Lecture notes on Chapter 4
What is Reinforcement?
Reinforcement is the process in which a behaviour is strengthened by the immediate consequence that
reliably follows its occurrence
Physical vs social environment
Physical envt is more predictable.
The difference btween the two envts is : PREDICTABILITY
Every intervention and situation can be broken down to these. If it cant be broken down, it cant be
The terms reinforcement and positive reinforcement are often used interchangeably. They mean the
Operant behaviors are those that operate on the environment to generate consequences, and are in
turn influenced by those consequences.
Reinforcers are those consequences that strengthen an operant behaviour. They are different for diff
erent people. They also vary for the same person from situations to situations. Everybody is different,
hence different things function as reinforcers for different people. You cannot assume that a certain
thing may be a reinforcer for another person just because it was an reinforce for another individual.How
you interact or ‘operate’ on the en