This study examined the extent to which the resolution of the Eriksonian final stage-related crisis of ego integrity versus despair is predicted by the resolution of earlier stage-related crises and by non-Eriksonian personality constructs. Subjects were administered an Eriksonian life stage measure called the Inventory of Psychosocial Balance, the Rosenberg Self-Esteem Scale, the Purpose-in-Life Scale, and the Self-Realization Scale. A series of alternative and hierarchically nested regression models was run to assess the direct effects of all preceding Eriksonian life stages and the non-Eriksonian personality measures on the final stage of ego integrity. The results were consistent with Eriksonian theory, which states that personality development is a continuous process in which psychosocial growth during earlier phases of life is a prerequisite for the resolution of later developmental conflicts.
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