Ration and secure base procedure
1. Stranger comes in, talks to caregiver and approaches baby - test stranger anxiety
2. Caregiver leaves baby and stranger together - test separation and stranger anxiety
3. Caregiver returns and stranger leaves - test reunion behaviour and exploration
4. Caregiver leaves baby alone - test separation anxiety
5. Stranger returns - test stranger anxiety
6. Caregiver returns and is reunited with baby - test reunion behaviour