1 - Mother and baby are introduced to experimental room
2 - Baby explores alone, mother can play
3 - Stranger enters, can talk with mother and approach baby - then mother leaves
4 - Seperation - strangers behaviour is geared towards baby
5 - Reunion - Mother greets and comforts baby, settles baby into play, then leaves
7 - Stranger enters and gears behaviour to baby
8 - Second Reunion - Mother enters, greets baby, stranger leaves