The purpose of this exploratory study was to ascertain the primary event or "trigger" that prompted caregivers to initiate planning for a change in monitoring or substitute decision-making needed for the older person receiving their care. Understanding the impetus to make this decision can help caregivers to anticipate needs and plan accordingly. Caregivers from the commuDiane K. Kjervik JD, RN, FAAN, is Professor, The University ofTexas School ofNursing, Austin, Texas. nity who did not choose guardianship (N=39) and caregivers who were court-appointed guardians or conservators (N=22) were comparedfor their views about the trigger events, the views of their own health, number of hours in caregiving and the circumstances surrounding the decision-making experience. Three categories of trigger events were identified:. Physical;