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Using Multivariate Statistics

The talk with present the key results of the IPCC Working Group III 5th assessment report. Concluding four years of intense scientific collaboration by hundreds of authors from around the world, the report responds to the request of the world's governments for a comprehensive, objective and policy neutral assessment of the current scientific knowledge on mitigating climate change. The report has been extensively reviewed by experts and governments to ensure quality and comprehensiveness.

Climate change 2014 - Mitigation of climate change

Interest in meaning and meaning making in the context of stressful life events continues to grow, but research is hampered by conceptual and methodological limitations. Drawing on current theories, the author first presents an integrated model of meaning making. This model distinguishes between the constructs of global and situational meaning and between "meaning-making efforts" and "meaning made," and it elaborates subconstructs within these constructs. Using this model, the author reviews the empirical research regarding meaning in the context of adjustment to stressful events, outlining what has been established to date and evaluating the strengths and weaknesses of current empirical work. Results suggest that theory on meaning and meaning making has developed apace, but empirical research has failed to keep up with these developments, creating a significant gap between the rich but abstract theories and empirical tests of them. Given current empirical findings, some aspects of the meaning-making model appear to be well supported but others are not, and the quality of meaning-making efforts and meanings made may be at least as important as their quantity. This article concludes with specific suggestions for future research.

Making Sense of the Meaning Literature: An Integrative Review of Meaning Making and Its Effects on Adjustment to Stressful Life Events.

Rising Tide: Gender Equality and Cultural Change Around the World.

Rising Tide: Gender Equality and Cultural Change Around the World

The World Health Organization has declared the rapid spread of COVID-19 around the world a global public health emergency. It is well-known that the spread of the disease is influenced by people’s ...

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Risk perceptions of COVID-19 around the world

This meta-analytic review examines the role of optimism, social support, and coping strategies in contributing to posttraumatic growth. Results from 103 studies showed that all three systems of variables yielded significant effect sizes. Religious coping and positive reappraisal coping produced the largest effect sizes. Social support, seeking social support coping, spirituality, and optimism were moderately related to posttraumatic growth. Acceptance coping yielded the smallest effect sizes. Moderator analyses showed that effect sizes did not differ according to time elapsed since trauma, gender, and type of posttraumatic growth measure (posttraumatic growth vs. benefit finding). Age and gender were significant moderators of religious coping, whereas study design (longitudinal vs. cross-sectional) significantly moderated the effect of positive reappraisal coping. Implications for research and interventions on posttraumatic growth are also discussed.

Optimism, social support, and coping strategies as factors contributing to posttraumatic growth: A meta-analysis

Lockdowns to control the spread of the coronavirus disease 2019 (COVID-19) have had profound effects on everyday life worldwide, but their effect on mental health remains unclear because available meta-analyses and reviews rely mostly on cross-sectional studies. We conducted a rapid review and meta-analysis of longitudinal studies and natural experiments investigating the relationship between COVID-19 lockdowns and mental health. A total of 25 studies involving 72 004 participants and 58 effect sizes were analyzed. Using a random effects model, we found that lockdowns had small effects on mental health symptoms, g = 0.17, s.e. = 0.05, 95% CI (0.06-0.24), p = 0.001, but the effects on positive psychological functioning, g = -0.12, s.e. = 0.11, 95% CI (-0.33 to 0.09), p = 0.27, were not significant. Multivariate analysis of effect sizes revealed significant and relatively small effect sizes for anxiety and depression, while those for social support, loneliness, general distress, negative affect, and suicide risk were not significant. The results indicated substantial heterogeneity among studies, but meta-regression analyses found no significant moderation effects for mean age, gender, continent, COVID-19 death rate, days of lockdown, publication status or study design. The psychological impact of COVID-19 lockdowns is small in magnitude and highly heterogeneous, suggesting that lockdowns do not have uniformly detrimental effects on mental health and that most people are psychologically resilient to their effects.

/pdf/the-psychological-impact-of-covid-19-pandemic-lockdowns-a-50fjqwjgbo.pdf

The psychological impact of COVID-19 pandemic lockdowns: a review and meta-analysis of longitudinal studies and natural experiments.

There are plenty of theories that may support the protective role of social support in the aftermath of potentially traumatic events. This meta-analytic review examined the role of received and perceived social support in promoting mental health among first responders (e.g., firefighters, police officers, and paramedics or emergency medical services personnel). Results showed that the effect sizes derived from 37 empirical studies ranged from 0 to 0.46. The overall weighted mean effect size was of medium magnitude (r=0.27). Moreover, moderator analysis showed that the effect size of perceived social support (r=0.31) was significantly higher than the effect size of received social support (r=0.22). Participants' age and gender or research design did not exert an influence on the relationship between social support and mental health. Theoretical implications and limitations are discussed. © 2010 Wiley Periodicals, Inc.

The relation of perceived and received social support to mental health among first responders: a meta‐analytic review

Background. To investigate the relationship between risk perception, worry, control, trust, exposure to an educational campaign, media exaggeration with recommendations for pandemic influenza H1N1 2009. Methods. Cross sectional telephone survey using random digit dialing. A total of 1010 adult Italians were interviewed by telephone between 16 and 19 February 2010. The survey instrument included demographic data, measures on risk perception, worry, trust and compliance with recommendations for pandemic influenza H1N1 2009. Results. Controlling for socio-demographic variables, compliance with all the recommended behaviors was associated with media trust, trust in the Ministry of Health, worry and perceived severity of illness. Perceptions that the risk of catching pandemic influenza H1N1 2009 is high, that the authorities are acting in the public’s best interest in dealing with it, that the media had exaggerated the risks of catching it and that people can control their risk of catching it were associated with compliance with some recommended behaviors even after considering effects of socio-demographic characteristics. Conclusion. The results underscore the importance of building public trust and to consider the influence of risk perception and affective response in promoting compliance with recommended behaviors.

Compliance with recommendations for pandemic influenza H1N1 2009: the role of trust and personal beliefs

The outbreak of the pandemic influenza H1N1 2009 (swine flu) between March and April 2009 challenged the health services around the world. Indeed, misconceptions and worries have led the public to refuse to comply with precautionary measures. Moreover, there have been limited efforts to develop models incorporating cognitive, social-contextual, and affective factors as predictors of compliance with recommended behaviors. The aim of this study was to apply a social-cognitive model of risk perception and individual response to pandemic influenza H1N1 in a representative sample of Italian population. A sample of 1,010 Italians of at least 18 years of age took part in a telephone survey. The survey included measures of perceived preparedness of institutions, family members and friends' levels of worry, exposure to media campaigns (social-contextual factors), perceived coping efficacy, likelihood of infection, perceived seriousness, personal impact, and severity of illness (cognitive evaluations), affective response and compliance with recommended behaviors. Results demonstrated that affective response fully mediated the relationship between cognitive evaluations and social-contextual factors (with the exception of exposure to media campaigns) and compliance with recommended behaviors. Perceived coping efficacy and preparedness of institutions were not related to compliance with recommended behaviors.

Gabriele Prati

Papers

Optimism, social support, and coping strategies as factors contributing to posttraumatic growth: A meta-analysis

The psychological impact of COVID-19 pandemic lockdowns: a review and meta-analysis of longitudinal studies and natural experiments.

The relation of perceived and received social support to mental health among first responders: a meta‐analytic review

Compliance with recommendations for pandemic influenza H1N1 2009: the role of trust and personal beliefs

A Social-Cognitive Model of Pandemic Influenza H1N1 Risk Perception and Recommended Behaviors in Italy