Josh is an RBT working with a client on hand washing. Handwashing is a complex skill that the client’s BCBA has broken up into a sequence of small teachable steps. Josh’s BCBA instructs him that the procedure involves Josh prompting all but the last step in the behavior chain, which is performed by the learner, who then receives reinforcement for completing the chain. When the learner shows mastery in performing the last step, Josh will then complete all but the last 2 steps in the behavior chain and reinforcement is delivered. This sequence continues until the learner completes the entire chain independently. This describes what teaching procedure?