When a mother plays peek-a-boo with her baby she moves from covering the baby and saying "peek-a-boo" to covering her own eyes and saying it. this illustrates:?

This action illustrates the scaffolding in psychology, where the teacher or parent provides support to the one it teaches, in order for them to learn and have guidance in learning things or how they should act in certain problems. This is connected to the behavior above for this shows how the baby responds to the mother who is giving her guidance into doing what the baby is doing.