In Phase 4, after a few trials, the model is successfully faded.
Double Retrieval4 Videos
In Phase 3, the action is now to put the item in the basket.
In Phase 2, the instruction is changed to actions with an object, and then the object is placed in the basket.
After some vital background information about the program in general, phase 1 begins with imitating body actions and counting as prompts to help the student get the correct answer.