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Longitudinal actor, partner, and similarity effects of personality on well-being.

ABSTRACT: The current study aimed to conceptually replicate previous studies on the effects of actor personality, partner personality, and personality similarity on general and relational well-being by using response surface analyses and a longitudinal sample of 4,464 romantic couples. Similar to previous studies using difference scores and profile correlations, results from response surface analyses indicated that personality similarity explained a small amount of variance in well-being as compared with the amount of variance explained by linear actor and partner effects. However, response surface analyses also revealed that second-order terms (i.e., the interaction term and quadratic terms of actor and partner personality) were systematically linked to couples' well-being for all traits except neuroticism. In particular, most response surfaces showed a complex pattern in which the effect of similarity and dissimilarity on well-being depended on the level and combination of actor and partner personality. In addition, one small but robust similarity effect was found, indicating that similarity in agreeableness was related to women's experience of support across the eight years of the study. The discussion focuses on the implications of these findings for theory and research on personality similarity in romantic relationships. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

SUBMITTER: van Scheppingen MA

PROVIDER: S-EPMC6374220 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Longitudinal actor, partner, and similarity effects of personality on well-being.

van Scheppingen Manon A MA Chopik William J WJ Bleidorn Wiebke W Denissen Jaap J A JJA

Journal of personality and social psychology 20180813 4

The current study aimed to conceptually replicate previous studies on the effects of actor personality, partner personality, and personality similarity on general and relational well-being by using response surface analyses and a longitudinal sample of 4,464 romantic couples. Similar to previous studies using difference scores and profile correlations, results from response surface analyses indicated that personality similarity explained a small amount of variance in well-being as compared with ...[more]

PMID: 30102060

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Project description:Infant temperament is theorized to lay the foundation for adult personality; however, many questions remain regarding personality in infancy, including the number of dimensions, extent to which they are adult-like, and their relation to other outcomes, such as mental and physical health. Here we tested whether adult-like personality dimensions are already present in infancy in a nonhuman primate species. We measured personality and subjective well-being in 7-month-old rhesus macaques (N = 55) using the Hominoid Personality Questionnaire and Subjective Well-Being Questionnaire, both of which were developed for adult primates based on human measures. Multiple human raters, who provided infants with daily care since birth, independently rated each infant. We found high interrater reliability. Results from a parallel analysis and scree plot indicated a five component structure, which, using principal components analysis, we found to be comprised of dimensions relating to Openness (e.g., curiosity, inquisitive, playfulness), Assertiveness (e.g., dominance, bullying, aggressive), Anxiety (e.g., vigilance, fearful), Friendliness (e.g., sociable, affectionate, sympathetic), and Intellect (e.g., organized, not erratic). These components are largely analogous to those in adult macaques, suggesting remarkably stable structural personality components across the lifespan. Infant macaques' subjective well-being positively correlates with Openness and Assertiveness and negatively correlated with Anxiety, similar to findings in adult macaques and other primates. Together, these findings suggest that, in macaques, infant personality dimensions may be conceptually related to adult personality and challenge the view that infant temperament may be disorganized and not as meaningful as adult personality. Further research is necessary to explore the antecedents, predictive validity, and stability of these personality components across situations and with development.

Project description:Background/objectivesFew studies have rigorously examined the magnitude of changes in well-being after a transition into sustained and substantial caregiving, especially in population-based studies, compared with matched noncaregiving controls.DesignWe identified individuals from a national epidemiological investigation who transitioned into caregiving over a 10- to 13-year follow-up and provided continuous in-home care for at least 18 months and at least 5 hours per week. Individuals who did not become caregivers were individually matched with caregivers on age, sex, race, education, marital status, self-rated health, and history of cardiovascular disease at baseline. Both groups were assessed at baseline and follow-up.SettingREasons for Geographic And Racial Differences in Stroke study.ParticipantsA total of 251 incident caregivers and 251 matched controls.MeasurementsPerceived Stress Scale (PSS), 10-Item Center for Epidemiological Studies-Depression (CES-D), and 12-item Short-Form Health Survey quality-of-life mental (MCS) and physical (PCS) component scores.ResultsCaregivers showed significantly greater worsening in PSS, CES-D, and MCS, with standardized effect sizes ranging from 0.676 to 0.796 compared with changes in noncaregivers. A significant but smaller effect size was found for worsening PCS in caregivers (0.242). Taking on sustained caregiving was associated with almost a tripling of increased risk of transitioning to clinically significant depressive symptoms at follow-up. Effects were not moderated by race, sex, or relationship to care recipient, but younger caregivers showed greater increases in CES-D than older caregivers.ConclusionPersons who began substantial, sustained family caregiving had marked worsening of psychological well-being, and relatively smaller worsening of self-reported physical health, compared with carefully matched noncaregivers. Previous estimates of effect sizes on caregiver well-being have had serious limitations due to use of convenience sampling and cross-sectional comparisons. Researchers, public policy makers, and clinicians should note these strong effects, and caregiver assessment and service provision for psychological well-being deserve increased priority.

Dataset Information

Longitudinal actor, partner, and similarity effects of personality on well-being.

Publications

Longitudinal actor, partner, and similarity effects of personality on well-being.

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