2.The parent and infant are left alone in the room, the parent sits down while the child is playing.
3. A stranger enters the room, talks to the parent and starts to slowly approach the baby.
4. The parent leaves the room quietly. The stranger starts to interact with the baby; they are either playing or comforting them, depending on how the baby reacts.
5.The parent returns, approaches the infant, begins to comfort the infant if needed, and the stranger leaves.
6.The parent leaves once again, leaving the infant alone.