Development of conscientiousness in childhood and adolescence: Typical trajectories and associations with academic,health, and relationship changes |
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| Affiliation: | 1. Department of Psychology, University of Oregon, United States;2. Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, United States;1. Department of Psychology & Waisman Center, University of Wisconsin–Madison, USA;2. Department of Psychology, Arizona State University, USA;1. Department of Psychology, Stony Brook University, Stony Brook, NY, United States;2. Department of Psychiatry, Stony Brook University, Stony Brook, NY, United States;1. Department of Psychology, Arizona State University, PO Box 871104, Tempe, AZ 85287-1104, United States;2. T. Denny Sanford School of Social and Family Dynamics, Arizona State University, PO Box 873701, Tempe, AZ 85287-3701, United States |
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| Abstract: | Conscientiousness is related to a range of important life outcomes, so it is important to understand its development early in life. We examined how conscientiousness changes from late childhood through middle adolescence and what other psychosocial changes it co-occurs with. We developed and validated a conscientiousness scale for use in existing data. Then in a longitudinal study of participants at ages 10, 13, and 16 (N = 90 at Time 1) we used growth curve modeling to examine how conscientiousness co-develops with academic, health, and relationship functioning. Mean levels of conscientiousness decreased from 10 to 13 and then increased to age 16. The later increase was stronger among females. Changes in conscientiousness were associated with adaptive changes in other variables. |
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| Keywords: | Conscientiousness Childhood Adolescence Development Correlated change |
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