Procedure - Used a structured observation to film the interaction. Used a 2-way mirror to watch this. There were 8 stages and each lasted 3 minutes, key parts included: stranger entering the room, parent leaves infant with stranger, parent returns, infant left completely alone, parent returns. The main thing researchers were measuring was infant’s response upon parent reunion determing their attachment type, separation anxiety, exploration and stranger anxiety were also measured to determine this. time sampling every 15 seconds of the filmed situation.