Antecedents of crisis theory…
	Ø  Lindemann l  precursor of PTSD; also grieving stages Ø  Caplan l  transitional period, self limiting to 4-6 weeks l  context of event important •  intervention most successful at height of crisis Ø  Aquilera and Messick l  balancing factors include realistic perception of problem, amount and quality of social support and caliber of coping mechanisms