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1.
J Adolesc ; 95(7): 1505-1519, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37504510

RESUMO

INTRODUCTION: Adolescent personality is consistently linked to behavioral strengths and difficulties. However, most of this work is limited in that it does not consider personality beyond the Big Five or economic or parental adversity contexts. The Tri-Directional Framework of Parent and Offspring Traits and Outcomes highlights the collective influence of personality, parenting, and context on offspring behavioral outcomes. METHODS: Parent and adolescent cross-sectional data were collected from 2019 to 2021 as part of the Parents and Children Together project in the United Kingdom. Adolescents (N = 310, 48.7% female) self-reported on Dark Triad traits, parenting, and behavior. Parents (N = 288, 46.9% mothers) self-reported on socioeconomic status and adverse childhood experiences. In two path analysis models, we examined: (1) adolescent Dark Triad, context, and their interactions as predictors of perceived maternal and paternal warmth, hostility, and control; and (2) adolescent Dark Triad, perceived parenting, context, and personality-parenting interactions as predictors of adolescent behavioral strengths and difficulties. RESULTS: Adolescent narcissistic traits were the strongest predictors of perceived maternal parenting, whereas adolescent psychopathy and Machiavellianism were the strongest predictors of perceived paternal parenting. Adolescent personality interacted with contextual factors in predicting parenting, but not with perceived parenting in predicting behavior. CONCLUSION: Adolescent Dark Triad traits, especially narcissism, and contextual factors are important for the parent-offspring relationship and developmental outcomes. We recommend that research move beyond assessing direct trait-outcome associations to examining how these associations operate in different environments.

2.
J Pers Assess ; 105(2): 149-162, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-35412410

RESUMO

Subclinical sadism, characterized by infliction of cruelty, aggression, or humiliation on another for subjugation or pleasure, provides important information in the prediction of aversive behaviors that have implications for individuals' and society's well-being worldwide. Given sadism's universal relevance, it is imperative that researchers ensure valid and reliable trait measurement not only among English-speaking individuals, but also cross-nationally among countries in which sadism remains relatively understudied. The objective of the current research was to validate the revised version of the Assessment of Sadistic Personality (ASP-8) (Plouffe et al., 2017) across samples of Russian (n = 1087, Mage = 37.36, SD = 10.36), Greek (n = 1195, Mage = 35.64, SDage = 13.08), Serbian (n = 443, Mage = 28.10, SDage = 6.60), and British (n = 511, Mage = 28.50, SDage = 11.62) adults. Overall, results supported the reliability, dimensionality, and scalar/partial scalar measurement invariance of the ASP-8 across cross-national samples. Convergent and discriminant validity were mostly supported through correlations with general personality traits, the Dark Triad, emotional intelligence, mental toughness, depression, anxiety, stress, satisfaction with life, aggression, and attitudes toward social groups. Based on our findings, we recommend the use of the ASP-8 in future investigations of aversive traits.


Assuntos
Personalidade , Sadismo , Adulto , Humanos , Adolescente , Criança , Reprodutibilidade dos Testes , Transtornos da Personalidade , Agressão/psicologia
3.
Pers Individ Dif ; 185: 111308, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-34642521

RESUMO

At the onset of the novel coronavirus (COVID-19) pandemic, countries reported elevated rates of psychiatric symptoms. Previous research indicates that subclinical narcissism may reduce depression and stress through mental toughness. The researchers collected data from the United Kingdom (UK) and Greece (GR) on self-reported depression, anxiety, stress, COVID-19 related worry, subclinical narcissism, and mental toughness. Two samples, one cross-sectional (N = 1846) and one semi-longitudinal (N = 184), were used to compare rates of psychiatric symptoms pre and during COVID-19 across the UK and GR, and to test a path model in which subclinical narcissism reduced psychiatric symptoms through mental toughness. From pre to during COVID-19, UK participants exhibited increased depression, lower anxiety, and no change in stress, whereas GR participants showed a decrease in anxiety and stress and consistently low symptoms of depression. Subclinical narcissism exerted a negative indirect effect on psychiatric symptoms through mental toughness in both samples, but a negative total effect on anxiety and stress only in the UK sample. Findings indicate that exploring links between narcissism and prosocial traits can provide novel insights into differences in the adaptive use of personality traits in relation to mental health.

4.
J Pers Assess ; 104(3): 359-367, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-34096816

RESUMO

Research on narcissism supports a multifactorial structure with each factor to be multidimensional. However, studies typically assess 1 factor of narcissism using scales such as the Short Dark Triad (SD3). The Five-Factor Narcissism Inventory and its short form (FFNI-SF) were developed recently to account for this issue. The extent to which the FFNI-SF assesses equivalent constructs across countries has, nonetheless, received little attention. This study evaluated the factor structure of the FFNI-SF in a Russian sample (N = 1,996) and compared the results with those derived from a UK sample (N = 1,292). Overall, the FFNI-SF evidenced satisfactory internal consistency (mean α = .82 and .79 for the Russian and UK sample for the factors of Antagonism, Extraversion and Neuroticism, respectively). Additionally, analyses yielded a 3-component model in both samples similar to that reported in the original validation study, which also demonstrated meaningful correlations with the SD3. Finally, Antagonism demonstrated significant differences between the 2 samples, perhaps reflecting societal differences between Russia and the United Kingdom. The study highlights the importance of using psychometrically sound measures to assess narcissism in its complexity and the need for additional research on how this trait operates within the personality sphere and across cultures.


Assuntos
Comparação Transcultural , Narcisismo , Humanos , Inventário de Personalidade , Reprodutibilidade dos Testes , Federação Russa
5.
J Youth Adolesc ; 51(8): 1536-1551, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35426618

RESUMO

Links between parental personality, parenting, and adolescent behavior have been well established. However, extant research is limited by the sole focus on parental Big Five personality, and not taking home and family context into account. These gaps were addressed in two studies. In study 1, context, parental personality, and their interactions were examined as predictors of parenting in separate mother and father models (parents only). In study 2, context, parental personality, and parenting were examined as predictors of adolescent behavioral outcomes (parent-adolescent dyads). Parents (N = 283, 45.6% mothers, Mage = 45.51 years) completed assessments of socioeconomic status (SES), adverse childhood experiences (ACEs), personality (Big Five, Dark Triad), and parenting. Adolescents (N = 257, 51.4% female, Mage = 13.65 years) completed an assessment of behavior. Parent Dark Triad domains explained more variance in parental warmth and hostility than the Big Five, but equivalent variance in adolescent behavior. SES interacted with maternal personality, whereas ACEs interacted with paternal personality, to predict parenting behavior. The results showcase the importance of assessing a wider spectrum of parental personality, and examining contextual factors, in affecting adolescent development.


Assuntos
Poder Familiar , Pais , Adolescente , Pai , Feminino , Hostilidade , Humanos , Masculino , Pessoa de Meia-Idade , Relações Pais-Filho , Personalidade
6.
J Pers ; 87(6): 1250-1263, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-30854652

RESUMO

OBJECTIVE: We employed the network methodology to explore the connections between the Dark Triad (DT) traits with Mental Toughness (MT) and the degree to which they account for perceived stress beyond the Big Five (B5). METHOD: Network analyses were undertaken to explore connections between the DT, MT, and perceived stress, independently in two samples, and in the combined dataset; and whether B5 factors are responsible for the connections that emerged in the original network. RESULTS: DT and MT traits improved the prediction of perceived stress above the B5. Furthermore, narcissism occupied a strategic position in the network acting as a bridge between prosocial and "dark" sides of personality. The pattern of network connections could not be explained by B5 traits alone. CONCLUSIONS: The results suggest that there is more to personality than what can be captured by the B5 and that broadening the domain of personality beyond the B5 can improve the prediction of important outcomes, such as perceived stress. Narcissism is a unique trait and studying its connection with MT may be the key to moving forward from a dichotomous way of perceiving personality traits, as beneficial or malevolent, to focusing on a dynamic continuum of personality.


Assuntos
Transtorno da Personalidade Antissocial/fisiopatologia , Narcisismo , Personalidade/fisiologia , Resiliência Psicológica , Estresse Psicológico/fisiopatologia , Adulto , Feminino , Humanos , Maquiavelismo , Masculino
7.
Psychol Sci ; 25(7): 1371-9, 2014 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-24815614

RESUMO

Individual differences in fixation duration are considered a reliable measure of attentional control in adults. However, the degree to which individual differences in fixation duration in infancy (0-12 months) relate to temperament and behavior in childhood is largely unknown. In the present study, data were examined from 120 infants (mean age = 7.69 months, SD = 1.90) who previously participated in an eye-tracking study. At follow-up, parents completed age-appropriate questionnaires about their child's temperament and behavior (mean age of children = 41.59 months, SD = 9.83). Mean fixation duration in infancy was positively associated with effortful control (ß = 0.20, R (2) = .02, p = .04) and negatively with surgency (ß = -0.37, R (2) = .07, p = .003) and hyperactivity-inattention (ß = -0.35, R (2) = .06, p = .005) in childhood. These findings suggest that individual differences in mean fixation duration in infancy are linked to attentional and behavioral control in childhood.


Assuntos
Atenção , Controle Comportamental/psicologia , Fixação Ocular , Individualidade , Pais/psicologia , Temperamento , Pré-Escolar , Feminino , Humanos , Lactente , Modelos Lineares , Masculino , Inquéritos e Questionários
8.
PLoS One ; 19(5): e0302644, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38701068

RESUMO

Narcissism is a part of the Dark Triad that consists also of the traits of Machiavellianism and psychopathy. Two main types of narcissism exist: grandiose and vulnerable narcissism. Being a Dark Triad trait, narcissism is typically associated with negative outcomes. However, recent research suggests that at least the grandiose type may be linked (directly or indirectly) to positive outcomes including lower levels of psychopathology, higher school grades in adolescents, deeper and more strategic learning in university students and higher cognitive performance in experimental settings. The current pre-registered, quasi-experimental study implemented eye-tracking to assess whether grandiose narcissism indirectly predicts cognitive performance through wider distribution of attention on the Raven's Progressive Matrices task. Fifty-four adults completed measures of the Dark Triad, self-esteem and psychopathology. Eight months to one year later, participants completed the Raven's, while their eye-movements were monitored during high stress conditions. When controlling for previous levels of psychopathology, grandiose narcissism predicted higher Raven's scores indirectly, through increased variability in the number of fixations across trials. These findings suggest that grandiose narcissism predicts higher cognitive performance, at least in experimental settings, and call for further research to understand the implications of this seemingly dark trait for performance across various settings.


Assuntos
Atenção , Cognição , Narcisismo , Humanos , Masculino , Feminino , Cognição/fisiologia , Adulto , Atenção/fisiologia , Adulto Jovem , Tecnologia de Rastreamento Ocular , Estresse Psicológico , Adolescente , Autoimagem
9.
J Psychiatr Res ; 167: 78-85, 2023 Oct 12.
Artigo em Inglês | MEDLINE | ID: mdl-37856953

RESUMO

Using five independent non-clinical cross-cultural samples (total N = 3649; overall Mage = 29.31; 31% male and 69% female), this study explored the extent to which Dark Triad traits were indirectly associated with symptoms of psychopathology through mental toughness. Although Machiavellianism and psychopathy have not been studied extensively in this context, previous research (both cross-sectional and longitudinal) reports that grandiose narcissism increases mental toughness contributing indirectly to positive outcomes such as lower anxiety, stress, and depression. Accordingly, this study examined Machiavellianism, psychopathy, and narcissism in the context of mental toughness and psychopathology. A particular focus was placed on investigating negative relationships between grandiose narcissism and psychopathology. Participants completed self-report measures assessing the Dark Triad, mental toughness, and psychopathology. In all samples, grandiose narcissism exerted moderate negative, indirect associations with anxiety, stress, and depression through mental toughness. Relationships between Machiavellianism and psychopathy and psychopathology were generally weak and positive but varied across countries. Findings provided further cross-cultural support for a mediation model in which grandiose narcissism is related to higher mental toughness and lower psychopathology. Outcomes from this study indicate that exploration of the link between grandiose narcissism and resilience traits such as mental toughness can provide important conceptual insights into the adaptive properties of narcissism, and help to explain why grandiose narcissism is associated with a decrease in some psychopathological symptoms.

10.
Front Psychol ; 13: 937211, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36600725

RESUMO

Despite being bio-epidemiological phenomena, the causes and effects of pandemics are culturally influenced in ways that go beyond national boundaries. However, they are often studied in isolated pockets, and this fact makes it difficult to parse the unique influence of specific cultural psychologies. To help fill in this gap, the present study applies existing cultural theories via linear mixed modeling to test the influence of unique cultural factors in a multi-national sample (that moves beyond Western nations) on the effects of age, biological sex, and political beliefs on pandemic outcomes that include adverse financial impacts, adverse resource impacts, adverse psychological impacts, and the health impacts of COVID. Our study spanned 19 nations (participant N = 14,133) and involved translations into 9 languages. Linear mixed models revealed similarities across cultures, with both young persons and women reporting worse outcomes from COVID across the multi-national sample. However, these effects were generally qualified by culture-specific variance, and overall more evidence emerged for effects unique to each culture than effects similar across cultures. Follow-up analyses suggested this cultural variability was consistent with models of pre-existing inequalities and socioecological stressors exacerbating the effects of the pandemic. Collectively, this evidence highlights the importance of developing culturally flexible models for understanding the cross-cultural nature of pandemic psychology beyond typical WEIRD approaches.

11.
Front Psychol ; 12: 654836, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34366972

RESUMO

Currently there is debate as to whether mental toughness is a unidimensional or multidimensional construct. To investigate the dimensionality of the Mental Toughness Questionnaire 48-items (MTQ48), a widely used measure of mental toughness, we examined data from a sample of 78,947 participants. A series of exploratory structural equation models (ESEM) assessed unidimensional, multidimensional, and bifactor solutions. Overall, results supported a bifactor conceptualization of mental toughness. Bifactor analysis was consistent with the use of a general factor score. In conclusion, the authors argue that mental toughness should be considered as an umbrella term representing a general trait comprised of related constructs that provide a psychological advantage in performance and promote positive mental health. Finally, this article identifies limitations in the existing measurement of mental toughness and proposes necessary directions in future research.

12.
Pilot Feasibility Stud ; 7(1): 66, 2021 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-33712090

RESUMO

BACKGROUND: Very premature birth (gestational age between 28 and 31 + 6 weeks) is associated with increased risk of cognitive delay and attention deficit disorder, which have been linked to anomalies in the development of executive functions (EFs) and their precursors. In particular, very preterm (VP) infants display anomalies in controlling attention and gathering task-relevant information. Early interventions that support attention control may be pivotal in providing a secure base for VP children's later attainments. The Attention Control Training (ACT) is a cognitive training intervention that targets infants' abilities to select visual information according to varying task demands but had not been tested in VP infants. We conducted a feasibility study to test the processes we intend to use in a trial delivering the ACT to VP infants. METHODS AND DESIGN: We tested recruitment and retention of VP infants and their families in a randomised trial, as well as acceptability and completion of baseline and outcome measures. To evaluate these aims, we used descriptive quantitative statistics and qualitative methods to analyse feedback from infants' caregivers. We also investigated the quality of eye-tracking data collected and indicators of infants' engagement in the training, using descriptive statistics. RESULTS: Twelve VP infants were recruited, and 10 (83%) completed the study. Participants' parents had high education attainment. The rate of completion of baseline and outcome measures was optimal. VP infants demonstrated engagement in the training, completing on average 84 min of training over three visits, and displaying improved performance during this training. Eye-tracking data quality was moderate, but this did not interfere with infants' engagement in the training. DISCUSSION: The results suggest the ACT can be delivered to VP infants. However, challenges remain in recruitment of numerous and diverse samples. We discuss strategies to overcome these challenges informed by results of this study. TRIAL REGISTRATION: Registered Registration ID: NCT03896490 . Retrospectively registered at Clinical Trials Protocol Registration and Results System ( clinicaltrials.gov ).

13.
Br J Educ Psychol ; 91(1): 78-100, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32343004

RESUMO

BACKGROUND: Individual differences in personality, behavioural, and academic outcomes of gifted adolescents remain under-explored. AIMS: The present study directly compared selected and unselected adolescents on multiple measures of personality, behavioural strengths and difficulties, and achievement. SAMPLE: Nine hundred seventy-three adolescents selected for high performance in Science, Technology, Engineering, and Mathematical (STEM) fields (M = 15.23; SD = 1.11), and one thousand two hundred sixty-one unselected adolescents (M = 15.07; SD = 1.18) participated in the study. METHODS: Participants completed self-report measures that assess the Big Five, the Dark Triad, and Behavioural Strengths and Difficulties. Demographic information and academic achievement in Maths and Russian were also obtained. RESULTS: The observed differences in personality and behaviour traits between selected and unselected samples were negligible as measured by ANOVAs. The selected sample had on average slightly lower scores on conscientiousness, extraversion, agreeableness, openness to experience, and subclinical narcissism, partial Eta Squared (ES) = [.01 to .05]; slightly lower scores on prosocial behaviour; and slightly higher scores on internalizing and externalizing problems, ES = [.01 to .04]. The selected group also showed higher Year and Examination grades (ES = .05 and .23, respectively). However, MANOVA results showed larger differences between samples (ES = .15). CONCLUSION: Our results showed no pronounced differences between selected and unselected samples in any trait apart from examination performance. However, multivariate results suggest greater overall differences. These results suggest that high-achieving individuals may be characterized by specific combinations of personality and behavioural traits.


Assuntos
Sucesso Acadêmico , Criança Superdotada/psicologia , Engenharia/educação , Matemática/educação , Personalidade , Ciência/educação , Tecnologia/educação , Logro , Adolescente , Feminino , Humanos , Masculino
14.
Front Psychiatry ; 11: 607246, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33613333

RESUMO

Concerns toward public well-being and mental health are increasing considering the COVID-19 pandemic's global societal and individual impact. The present study builds on the current body of COVID-19 literature by examining the role of mental toughness (MT) in predicting negative affective states (depression, anxiety and stress) during the pandemic. The study also examined the effects of changes in employment on mental health and MT. Participants (N = 723) completed a battery of questionnaires including the Mental Toughness Questionnaire 48-item, The State-Trait Anxiety Inventory, and the Depression, Anxiety and Stress Scale - 21 items. Participants reported relatively higher levels of depression, stress and anxiety in comparison to pre-COVID-19 samples from previous research, with respondents who had lost their jobs during the pandemic reporting higher levels of negative affective states. Despite this, mentally tough individuals appeared to report lower levels of depression, anxiety and stress. Moreover, moderation analyses identified some interaction between MT and employment status when predicting depression, anxiety and stress. Our findings suggest that MT may have some utility in reducing the adverse mental health effects of the pandemic on individuals, however, further longitudinal research is needed to support these implications.

15.
Eur Psychiatry ; 55: 74-79, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30390475

RESUMO

BACKGROUND: Subclinical Narcissism (SN) is part of the Dark Triad (DT), which includes also Subclinical Psychopathy (SP) and Machiavellianism. SN comprises facets retained from the clinical syndrome, such as grandiosity and dominance. Previous cross-sectional and longitudinal research indicates that SN may increase Mental Toughness (MT) resulting in various positive outcomes, including lower levels of psychopathy. METHOD: The researchers conducted three studies (N = 364, 244 and 144 for Study 1, 2 and 3 respectively) to test if the path model from SN to higher MT predicted lower symptoms of depression (DS). An extension to the model considered Openness to Experience (OE) as a possible mediator. Participants completed self-report measures of SN, MT, OE and DS. In Study 3, participants responded to an additional measure of SN to allow differentiation between grandiose and vulnerable aspects. RESULTS: SN exerted a negative indirect effect on DS through MT across studies; and a negative indirect effect on DS through MT and OE in Study 2. In Study 3, Grandiose SN increased MT contributing to lower DS. Vulnerable SN demonstrated the reverse pattern. MT subfactors of Control and Confidence had a mediating effect across studies. CONCLUSION: The current findings support the model that SN to MT predicts positive outcomes in various domains, including lower levels of psychiatric symptoms. Exploring the link between SN with prosocial traits can be particularly helpful when seeking to identify and promote SN's adaptive tendencies against symptoms of psychopathology.


Assuntos
Depressão , Comportamento Exploratório , Processos Mentais , Narcisismo , Adulto , Pesquisa Comportamental/métodos , Depressão/diagnóstico , Depressão/psicologia , Feminino , Humanos , Masculino , Modelos Psicológicos , Fatores de Proteção , Psicopatologia , Autoavaliação (Psicologia)
16.
Front Psychol ; 10: 1933, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31496983

RESUMO

The 18-item Mental Toughness Questionnaire (MTQ-18) is a brief, widely used measure of mental toughness. The MTQ-18 derives from the longer MTQ-48, which comprises four independent but correlated factors (challenge, commitment, control, and confidence). Despite sampling items from across MTQ-48 dimensions, the MTQ-18 (as intended) provides a global, unidimensional score. Researchers have recently developed a further abridged version of the MTQ-18, the MTQ-10, which has demonstrated promising psychometric performance. The current paper assessed the factorial structure, reliability, predictive validity and invariance of the MTQ-18 and MTQ-10 in a sample of 944 students from English independent schools (year 11, aged 16 years). Respondents completed the MTQ-18 items online alongside the Satisfaction with Life Scale. Confirmatory factor analysis revealed that the MTQ-10 was a superior general measure, because the MTQ-18 possessed additional variance to that accounted for by an unidimensional solution. Additionally, the MTQ-10 evidenced higher factor loadings and demonstrated better data-model fit. Tests of concurrent validity revealed the MTQ-10 was a stronger predictor of well-being (life satisfaction). Both the MTQ-18 and MTQ-10 demonstrated gender invariance at the configural, metric, and scalar level. Overall, although the MTQ-18 was a psychometrically acceptable measure, the MTQ-10 was a superior unidimensional measure of MT.

18.
Sci Rep ; 8(1): 13653, 2018 09 12.
Artigo em Inglês | MEDLINE | ID: mdl-30209280

RESUMO

The most consistent sex differences in cognition are found for spatial ability, in which males, on average, outperform females. Utilizing a twin design, two studies have shown that females with male co-twins perform better than females with female co-twins on a mental rotation task. According to the Twin Testosterone Transfer hypothesis (TTT) this advantage is due to in-uterine transmission of testosterone from males to females. The present study tested the TTT across 14 different spatial ability measures, including mental rotation tasks, in a large sample of 19-21-year-old twins. Males performed significantly better than females on all spatial tasks, with effect sizes ranging from η2 = 0.02 to η2 = 0.16. Females with a male co-twin outperformed females with a female co-twin in two of the tasks. The effect sizes for both differences were negligible (η2 < 0.02). Contrary to the previous studies, our results gave no indication that prenatally transferred testosterone, from a male to a female twin, influences sex differences in spatial ability.


Assuntos
Cognição/fisiologia , Caracteres Sexuais , Navegação Espacial/fisiologia , Testosterona/sangue , Gêmeos Dizigóticos/estatística & dados numéricos , Gêmeos Monozigóticos/estatística & dados numéricos , Adulto , Feminino , Humanos , Masculino , Memória de Longo Prazo/fisiologia , Memória de Curto Prazo/fisiologia , Gravidez , Efeitos Tardios da Exposição Pré-Natal , Adulto Jovem
19.
Front Psychol ; 8: 1345, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28848466

RESUMO

Mental toughness (MT) is an umbrella term that entails positive psychological resources, which are crucial across a wide range of achievement contexts and in the domain of mental health. We systematically review empirical studies that explored the associations between the concept of MT and individual differences in learning, educational and work performance, psychological well-being, personality, and other psychological attributes. Studies that explored the genetic and environmental contributions to individual differences in MT are also reviewed. The findings suggest that MT is associated with various positive psychological traits, more efficient coping strategies and positive outcomes in education and mental health. Approximately 50% of the variation in MT can be accounted for by genetic factors. Furthermore, the associations between MT and psychological traits can be explained mainly by either common genetic or non-shared environmental factors. Taken together, our findings suggest a 'mental toughness advantage' with possible implications for developing interventions to facilitate achievement in a variety of settings.

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