This form of therapy, usually conducted one-on-one by ABA practitioners, is backed by scientific researches and evidence. Applied Behaviour Analysis (ABA)ĪBA has helped individuals of all ages for over 50 years. To understand Differential Reinforcement better, let us first learn about the purpose and efficacy of ABA. This can be done through the use of reinforcement, that is, reinforcing the desired behaviour while withholding reinforcement for the negative behaviour. It is a well-known strategy used in Applied Behaviour Analysis (ABA) to reduce undesirable or challenging behaviour and encourage appropriate replacement behaviour in children. The behavioural intervention implemented in this scenario is known as Differential Reinforcement (DR). After some time, Javier realises that he will only receive rewards when he stops biting his nails, and this led him to gradually reduce the frequency of his nail-biting behaviour. At the advice of Javier’s ABA therapist, his parents will withhold reinforcement whenever Javier bites his nails and only praise or reward him with his favourite toy or food when he stops. His parents have tried bribery and punishment to discourage him, but the attention that has been given only served to reinforce this undesirable behaviour. How to Increase Appropriate Behaviours in Children Through Differential ReinforcementĢ-year-old Javier has a habit of biting his nails.
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