write an aba note just pretending the client is rodney, the therapy was performed at the client school, the environmental change was that today was the school last day.there were present peers, teachers, and paraprofessional. all day was ree play time.. that opportunity was used by the RBT to address share and taking turns, following instructions, and accepting delay of reinforcer. He was able to switch the activity after RBt request. during wooden puzzle time he could complete the puzzle of 12 pieces independently, also he could put it away the magnetic tiles after finish his playing time. However he showed a tantrum and physical aggression against a peer after tried to remove the iPad from rodney table. data was collected, and rbt used positive reinforcer to reward the client after every good trial during skills acquisition plan. next aba therapy will be performed at the client home