The Dynamic-Maturation Model (DMM) was developed by Patricia Crittenden (1-4), which focused its studies on attachment
to different ethnic, socio-cultural and dangers as families in which episodes of Maltreatment and abuse or families with high psychosocial
risk. Crittenden proposes new protocols of the Strange Situation (SS) and the Adult Attachment Interview (AAI) based on a
coding and classification system derived from the model proposed by Ainsworth, but modified and enriched with that of Main,
Goldwyn and Hesse. The SS procedure, adopted for children aged between 10 and 18 months, is valid until all preschool age, assuming
This way the name of the Preschool Assessment of Attachment (PAA)