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The process and mechanisms of personality change

Nature Reviews Psychology (2024)Cite this article

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Abstract

Although personality is relatively stable across the lifespan, there is also ample evidence that it is malleable. This potential for change is important because many individuals want to change aspects of their personality and because personality influences important life outcomes. In this Review, we examine the mechanisms responsible for intentional and naturally occurring changes in personality. We discuss four mechanisms — preconditions, triggers, reinforcers and integrators — that are theorized to produce effective change, as well as the forces that promote stability, thereby thwarting enduring changes. Although these mechanisms are common across theories of personality development, the empirical evidence is mixed and inconclusive. Personality change is most likely to occur gradually over long timescales but abrupt, transformative changes are possible when change is deliberately attempted or as a result of biologically mediated mechanisms. When change does occur, it is often modest in scale. Ultimately, it is difficult to cultivate a completely different personality, but small changes are possible.

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Fig. 1: Timescales of change.
Fig. 2: Process of change across levels of personality abstraction.

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    Joshua J. Jackson

  2. Department of Psychology, University of Zurich, Zurich, Switzerland

    Amanda J. Wright

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Jackson, J.J., Wright, A.J. The process and mechanisms of personality change. Nat Rev Psychol (2024). https://doi.org/10.1038/s44159-024-00295-z

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