Maryam P - Psychology essay

Do personality traits remain stable over a lifetime? To delve into individualism is to constitute what personality truly entails: a primary construct of identity. Referring to the APA Dictionary of Psychology, personality is a relatively permanent, internal characteristic used to predict patterns of behaviours, attitudes, feelings, and long-lasting habits. Adopting the Big Five model, the stability of these traits across an individual’s lifespan extends to their levels of openness, conscientiousness, extraversion, agreeableness, and neuroticism (Diener and Lucas, 2025). Arguably, there is general stability across adulthood, especially through a population scope, due to situational and dispositional interferences. However, this coexists with an extent of individual change and personality maturation, particularly during early developmental periods. In the prevailing era, there is limited convincing evidence illustrating the distinction between continuous and discontinuous traits into which people fit. To begin, the debate centring personality stability and plasticity progressed from an early monolithic view to a much more diverse and complicated perspective. Early research suggested that heredity played a more crucial role in molding personality traits than the environment (Bouchard, 1994). Due to the established correlation between inherited characteristics and personality traits, the stability of personality traits from childhood is inherently implied since genes remain unchanged. In light of this, early research centralizing personality postulated stability, as the notion of ‘traits’ was to observe behavioural consistencies. For example, humans preserve the innate tendency to translate observed behaviour reoccurrences under linguistic labels (traits), suggesting that effective stabilization of traits is a result of repeated description (Allport and Odbert, 1936). Essentially, trait theory illustrates that traits exist because people noticed consistent behavioural tendencies (Allport, 1937). His theory is made up of the following triad of traits: cardinal (unique defining characteristic), central (general characteristics), and secondary (tentative characteristics), where each plays a role in shaping patterns of our behaviour. These