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Objective: Life events can impact people's dispositional functioning by changing their state-level patterns of thoughts, feelings, and behavior. One pathway through which this change may be facilitated is changes in the experience of daily social events., Method: We examined the dynamic relationship between major life events and the subsequent experience of positive and negative daily social events in a year-long longitudinal study (initial N = 1247)., Results: Experiencing positive and negative major life events moderated the effects of positive and negative social events on event-contingent state well-being and ill-being in ways that were mostly (but not always) consistent with both endowment and contrast effects on judgments of well-being. Furthermore, negative life events predicted an increase in the subsequent trajectory of negative social events, while the experience of daily ill-being predicted the subsequent experience of negative social events., Conclusions: These findings highlight the possible impact of major life events by explaining how they shape the subsequent experience of daily social events., (© 2023 The Authors. Journal of Personality published by Wiley Periodicals LLC.)

To what extent do our beliefs about how our well-being has improved over time correspond to observed changes? Participants ( N  = 1,247 from Qualtrics Panels) completed questionnaires measuring dispositional well-being and ill-being (depressive symptoms) at three time points over the course of one year, as well as 44 weekly assessments of state well-being and ill-being over 52 weeks. They additionally completed measures of perceived improvements in well-being and ill-being at Weeks 45 and 52 as well as a measure of broad personality traits. We estimated latent change scores and latent growth curves, which allowed us to obtain more accurate estimates of the convergence between retrospective improvements and veridical change compared to past methods utilized. Stability in both global and state well-being and ill-being were observed. People who agreed more strongly that their well-being had improved (or their ill-being had increased) tended to show greater increases in actual well-being (or ill-being) across the past year. Additionally, we observed meaningful relationships between personality traits and perceived improvements. On average, people have some insight in assessing whether they became happier (or unhappier) over one year.

This commentary addresses debate over the factor structure of the Grit Scale in both its original and short forms. Commonly (and in our own work), factor solutions are used to establish dimensionality of the construct being measured. For example, a two-factor hierarchical model was proposed for the Short Grit Scale. It has since been pointed out, correctly, that the specified model cannot be distinguished from a model with two correlated subfactors and no higher-order factor. In this commentary, we acknowledge the mathematical equivalence of these specifications and our error in interpretation. However, we also take the opportunity to admit a more profound correction. It is now clear to us that statistical answers cannot definitively settle certain theoretical riddles, and our argument for grit as a compound of related but distinct dispositions should not have relied so heavily on the optimal factor solution for a questionnaire devised to assess it. Rather, a conceptual question demands a conceptual answer, which we briefly attempt here. We conclude by noting the need for improved operationalizations of the tendency to stay committed to goals for years (passion) while working assiduously toward their achievement (perseverance).

Objective: Research examining relationships between trait Openness to Experience, psychopathology, and well-being has produced contradictory findings. Examining temporary manifestations of Openness may provide further insight into the interplay between Openness and symptoms in clinical populations., Method: The present study validated a brief new measure to assess daily Openness in 271 adults (M age = 34 years, 52% women, 83% White) taking part in 7 days of intensive treatment for acute psychopathology. Participants also completed a daily measure of depressive symptoms., Results: Participants overall experienced a significant but small increase in daily Openness during treatment. Two latent classes best characterized initial levels and trajectories of Openness in this sample: medium/increase (86% of sample) and low/decrease (14%). Daily Openness negatively related to depressive symptoms over the entire course of treatment and at the daily level. Daily Openness, however, did not predict depressive symptoms from one day to the next (or vice versa)., Conclusions: Results of this study contribute to the scientific understanding of positive personality change during challenging life circumstances. Future research could examine whether targeting Openness as part of treatment holds clinical value. Findings are limited by this study's short time frame and the lack of ethnoracial diversity in this sample., (© 2018 Wiley Periodicals, Inc.)

Deliberate practice leads to world-class excellence across domains. In the current investigation, we examined whether psychologically "wise" interventions targeting expectancies and values-stock antecedents of ordinary effortful behaviors-could motivate nonexperts to engage in deliberate practice and improve their achievement. As a preliminary, we developed and validated a novel task measure of deliberate practice and confirmed its association with (a) expectancy-value beliefs, and (b) achievement in the nonexpert setting (Study 1). Next, across 4 longitudinal, randomized-controlled, field experiments, we intervened. Among lower-achievers, wise deliberate practice interventions improved math performance for 5th and 6th graders (Study 2), end-of-semester grades for undergraduates (Study 3), and end-of-quarter grades for 6th graders (Study 4); the same pattern of results emerged in end-of-quarter grades for 7th graders (Study 5). Following the intervention, expectancy-value beliefs and deliberate practice improved for 1 month (Study 4), but not 4 (Study 5). Treatment proved beneficial over and above 2 control conditions: 1 that taught standard study skills (Studies 2 and 3), and 1 that discussed deep interests, generalized motivation, and high achievement (Studies 4 and 5). Collectively, these findings provide preliminary support for the heretofore untested hypothesis that deliberate practice submits to the same laws that govern typical forms of effortful behavior, and that wise interventions that tap into these laws can spur short-term gains in adaptive beliefs, deliberate practice, and objectively measured achievement. (PsycINFO Database Record, ((c) 2016 APA, all rights reserved).)

This investigation tests whether the predictive power of the delay of gratification task (colloquially known as the "marshmallow test") derives from its assessment of self-control or of theoretically unrelated traits. Among 56 school-age children in Study 1, delay time was associated with concurrent teacher ratings of self-control and Big Five conscientiousness-but not with other personality traits, intelligence, or reward-related impulses. Likewise, among 966 preschool children in Study 2, delay time was consistently associated with concurrent parent and caregiver ratings of self-control but not with reward-related impulses. While delay time in Study 2 was also related to concurrently measured intelligence, predictive relations with academic, health, and social outcomes in adolescence were more consistently explained by ratings of effortful control. Collectively, these findings suggest that delay task performance may be influenced by extraneous traits, but its predictive power derives primarily from its assessment of self-control.

Objective: To determine whether more self-controlled children are protected from weight gain as they enter adolescence., Design: Prospective, longitudinal study., Setting: Ten sites across the United States from 1991 to 2007., Participants: The 844 children in the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development birth cohort who had height and weight information at 15 years of age in 2006., Main Exposure: A composite measure of self-control was created from mother, father, and teacher-reported ratings using items from the Social Skills Rating System., Outcome Measure: Overweight status at 15 years of age., Results: Approximately one-third of the sample (n = 262) was overweight at 15 years of age. Compared with their nonoverweight peers, overweight adolescents aged 15 years were about a half standard deviation (SD) lower in self-control at 9 years of age (unstandardized difference, 0.15; pooled SD, 0.29; P < .001). Children rated higher by their parents and teachers in self-control at 9 years of age were less likely to be overweight at 15 years (relative risk, 0.74; 95% confidence interval, 0.56-0.98), controlling for overweight status at 10 years of age, pubertal development, age, intelligence quotient, sex, ethnicity, socioeconomic status, and maternal overweight status., Conclusion: More self-controlled boys and girls are less likely to become overweight as they enter adolescence. The ability to control impulses and delay gratification enables children to maintain a healthy weight, even in today's obesogenic environment.