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Published Online:https://doi.org/10.1176/ps.44.10.1002

The utility of a given typology is based on the degree to which the resulting groups are relevant to the purpose intended. The results presented here indicate a structurally stable model that classified residents into well-defined groups particularly germane to the administration of a psychiatric hospital on system.

Research currently under way includes longitudinal replication of the analysis. If the structure holds over time, then effects due to policies or practices intended to alter system dynamics can be evaluated through the behavior of particular groups. For example, if a policy is implemented that increases the availability of nursing home beds for psychiatric inpatients, one would expect to find a marked impact on group 3 but little on groups 1 and 2.

Such a typology can also influence policy development. A typological examination of a system may help determine if certain groups are particularly problematic to the dynamics of the system. For example, if an inpatient group can be identified as being at risk of long-term hospitalization, resources can be devoted to developing appropriate interventions. Viewing a system through such a typological lens allows for a unique tableau, without which meaningful information may be missed.

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