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The phase model of burnout: conceptual, theoretical, and practical issues.

This essay highlights major challenges and opportunities that highlight the products of over a decade of research and applications relying on the phase model. Nine points are developed, which rest upon progress with the phase model and also will further test the adequacy of the foundation it provides for more comprehensive work. To illustrate, the first of these points summarizes what we know with reasonable certainty, and what needs investigation, concerning cross-cultural replications; and a second point deals with the group locus of burnout. The relevance of this essay is substantial in the context of available research. Thus, the phase model isolates quite similar patterns of covariation in worldwide populations; and the phase operations also permit estimating what proportion of respondents have which degree of burnout, a capability beyond that of alternative operational definitions. Hence, the centrality of this effort to highlight sectors for further assessing the reliability and validity of the phase model.