Amodel used by social workers to understand whether an event in the family system becomes crisis, as well as understanding the family's resources and definition of the event is the:

The ABC-X model of stress and deal with theorizes that to comprehend whether an event in a family system turn out to be a crisis, one must comprehend both the resources of the family and the definition of the family in the event. In addition, ecomap is used if were trying to get a handle on a family's external sources of stress, conflict, and social support. 

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