The SCERTS model identifies three partner stages at which a child may be interacting in a social world, andobservational assessment and target setting is directly linked to the identified partner stage. These partnerstages are:• Social Partner: where a child is using fewer than 3 words or phrases (which may be spoken, signed,pictured, written words or other symbolic system) referentially, regularly and with communicative intent.• Language Partner: where a child uses more than 3 words or phrases (which may be spoken, signed,pictured, written words or other symbolic system) referentially, regularly and with communicative intent.• Conversation Partner: where a child uses at least 100 words or phrases (which may be spoken,signed, pictured, written words or other symbolic system) referentially, regularly and with communicativeintent. And can use at least 20 different word combinations that are creative.