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Does personality change and, if so, what changes?

Conor Duggan1

  • 1Academic Department of Forensic Mental Health, Arnold Lodge, Leicester, UK.

Criminal Behaviour and Mental Health : CBMH
|December 5, 2003
PubMed
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Personality can change, but detecting and measuring this change is complex. The Costa and McCrea model distinguishes fixed dispositions from adaptable traits, highlighting the dynamic nature of personality development.

Area of Science:

  • Psychology
  • Personality Science

Background:

  • The fundamental question of personality change is often overlooked in clinical practice.
  • Understanding personality dynamics is crucial for psychological assessment and intervention.

Purpose of the Study:

  • To explore whether personality changes.
  • To identify what aspects of personality change.
  • To examine methods for measuring personality change.

Main Methods:

  • Utilizes the Costa and McCrea model distinguishing 'Basic Tendencies' (innate, fixed) from 'Characteristic Adaptations' (variable, environmentally influenced).
  • Analyzes the complexity of detecting personality change due to multiple outcome variable definitions.
  • Discusses the challenges of measuring change when different indicators yield discordant results.

Related Experiment Videos

Main Results:

  • Personality is viewed as both static (Basic Tendencies) and dynamic (Characteristic Adaptations).
  • Detecting personality change is complicated by varied definitions and inconsistent measurement outcomes.
  • Practical examples illustrate the difficulties in quantifying personality shifts.

Conclusions:

  • A robust theoretical framework is needed to draw firm conclusions about personality change.
  • Limited conclusions can be made regarding treatment efficacy for personality disorders without a solid theoretical base.