Theorists have suggested that beliefs about whether personality can change might operate in a self‐fulfilling fashion, leading to growth in personality traits across time. In the present two studies, we collected intensive longitudinal data from a total of 1339 emerging adults (ns = 254 and 1085) and examined the extent to which both global beliefs that personality can change (e.g. ‘You can change even your most basic qualities’) and granular beliefs that the individual Big Five personality domains can change (e.g. ‘You can change how extraverted and enthusiastic you generally are’) predicted trait change across approximately 4 months. Results indicated that traits did change across time, yet beliefs that personality can change were almost completely unrelated to actual change in personality traits. Our findings suggest that personality development during emerging adulthood does not depend to any meaningful degree on whether or not individuals believe that their traits can change. © 2020 European Association of Personality Psychology

中文翻译：

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您的个性并不在乎您是否相信它会改变：关于个性是否会改变的信念并不能预测新兴成年人的性格改变

理论家建议，关于人格是否可以改变的信念可能以一种自我实现的方式起作用，从而导致人格特质随着时间的推移而增长。在本两项研究中，我们收集了总共1339名新兴成年人（密集纵向数据Ñs = 254和1085），并研究了人格可以改变的全球性信念（例如“您甚至可以改变最基本的素质”）和个人五大个性领域可以改变的细化信念（例如“您可以改变”您通常有多外向和热情'）预计大约4个月内性状会发生变化。结果表明，特质确实会随着时间而改变，但人格可以改变的信念几乎与人格特质的实际变化无关。我们的发现表明，成年后的人格发展在任何程度上均不取决于个人是否相信自己的特质可以改变。©2020欧洲人格心理学协会