Mary ainsworth condiacted an controlled observation to see how children react under stress by separation from a parent and in the presence of a stranger. The investigation involved 26 middle class american families each experiment lasted 21 minutes and there were 8 stages:
- Mother baby observer: observer introduces mother and baby to experimental room then leaves.
- mother baby: mother is passive while baby explores
- stranger mother baby: stranger enters. 1st minute, stranger silent. 2nd minute stranger talks to mother 3rd minute stranger approches baby. after 3 minutes mother leaves
- stranger baby:1st separation episode, strangers behaviour is involved with…