Answer:
Interrupted chain
Explanation:
The interrupted chain also called incidental teaching. This technique is used to increase the learning behavior by changing the environment and routine of a child. In this procedure when the child knows well about a step that is involved but the step is omitted from the procedure for a brief period.
For instance, if a mother told her daughter to make her breakfast and she makes breakfast by following the steps but one step is omitted for example rice is omitted. The omitted p[art is sabotaged.
Thus in the question, The therapist used this technique to make incidental learning for Paige.