Stage 1: Asocial stage (first few weeks) This is the stage where the baby is recognising and forming a bond with its carer. However, the baby's behaviour towards non-human objects and humans is quite similar. Babies show some preference for familiar adults
Stage 2: Indiscriminate Attachment From 2-7 months babies display more observable social behaviour. They show a preference for people rather than inanimate objects they recognise and prefer familiar adults. They like to cuddle and show little stranger anxiety. Therefore their attachment behaviour is indiscriminate as the behaviour is generalizable to everyone.
Stage 3: Specific Attachment: From around 7 months the baby becomes anxious when separated from one particular adult (the biological mother in 65%of cases). At this point the baby is said to have formed a specific attachment.The adult is turned the primary attachment figure. the person who givesthe baby the most attention and interaction usually forms the strongestbond with the baby.
Stage 4: Multiple Attachments Shortly after babies start to show attachment behaviour towards one adult they usually extend this attachment behaviour to multiple attachments with other adults with whom they regularly spend time with. These relationships are called secondary attachments.