The last phase is the fourth phase, from 2 years and beyond. In this phase, the mother becomes more independent because the child starts to accept the idea of separation since he starts to develop abstract thinking.
Mary Ainsworth, is a psychologist who studied the types of attachments behavior that children could have with their mothers through a procedure that she designed known as the strange situation paradigm. This procedure is divided into eight episodes each one last for 3 minutes. In the first episode, the mother was left with her child playing with toys in the presence of the examiner in one room. Then, the mother and the child. Then, mother, child and stranger. Then, child and stranger. Then, child and mother. Then, child alone. Then child and stranger. Then, child and mother. By observing the children’s behavior during each phase, but mainly during the reunion of the mother and the child, Ainsworth identified four different types of attachment. The first type is avoidant attachment in which the child did not cry when separated from the mother, instead he started to explore actively. Although it seems to be a positive sign, these children avoid the mother when she comes back or if she tries to approach them. This type