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Results

#1. Glinda, a Registered Behavior Technician (RBT), is working with a client who frequently engages in self-injurious behavior (SIB) by hitting himself in the chest with a closed fist. Her supervisor instructs her to intervene immediately to prevent injury. Glinda quickly responds by wrapping her arms around the client, physically preventing him from raising his arm and making contact with his chest. This intervention successfully stops the self-injurious behavior from occurring in that specific moment. This particular type of intervention is most accurately identified as

Extinction

Punishment (Type I)

Response Blocking

Differential Reinforcement of Incompatible Behavior (DRI)

Response Blocking is an antecedentbased intervention strategy where the individual is physically prevented from engaging in the problem behavior In this scenario Glindas action of wrapping her arms around the client directly prevents the physical act of hitting himself It is crucial to distinguish this from Extinction Extinction involves withholding reinforcement for a previously reinforced behavior which means the behavior must occur for its reinforcing consequences to be withheld Since Glinda physically prevented the hitting behavior from occurring it was not possible to withhold reinforcement after the behavior thus it cannot be classified as extinction Punishment involves a consequence delivered after the behavior to decrease its future probability which is not what occurred here as the behavior was prevented DRI involves reinforcing a behavior that cannot occur simultaneously with the problem behavior which is a different procedural category focused on reinforcement

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