created stages of attachment
-1) Asocial stage-similar behaviour towards objects and humans but prefers humans, first few weeks.
-2)Indiscriminate attachment-2–7 months, definite preference for humans, some recognition.
-3)Specific attachment-from 7 months, attachment to one adult. Stranger and separation anxiety.
-4)Multiple attachments-shortly after specific attachment, display separation anxiety towards other caregivers too.