RESUMO
Policy-makers are increasingly turning to behavioural science for insights about how to improve citizens' decisions and outcomes1. Typically, different scientists test different intervention ideas in different samples using different outcomes over different time intervals2. The lack of comparability of such individual investigations limits their potential to inform policy. Here, to address this limitation and accelerate the pace of discovery, we introduce the megastudy-a massive field experiment in which the effects of many different interventions are compared in the same population on the same objectively measured outcome for the same duration. In a megastudy targeting physical exercise among 61,293 members of an American fitness chain, 30 scientists from 15 different US universities worked in small independent teams to design a total of 54 different four-week digital programmes (or interventions) encouraging exercise. We show that 45% of these interventions significantly increased weekly gym visits by 9% to 27%; the top-performing intervention offered microrewards for returning to the gym after a missed workout. Only 8% of interventions induced behaviour change that was significant and measurable after the four-week intervention. Conditioning on the 45% of interventions that increased exercise during the intervention, we detected carry-over effects that were proportionally similar to those measured in previous research3-6. Forecasts by impartial judges failed to predict which interventions would be most effective, underscoring the value of testing many ideas at once and, therefore, the potential for megastudies to improve the evidentiary value of behavioural science.
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Ciências do Comportamento/métodos , Ensaios Clínicos como Assunto/métodos , Exercício Físico/psicologia , Promoção da Saúde/métodos , Projetos de Pesquisa , Adulto , Feminino , Humanos , Masculino , Motivação , Análise de Regressão , Recompensa , Fatores de Tempo , Estados Unidos , UniversidadesRESUMO
Encouraging vaccination is a pressing policy problem. To assess whether text-based reminders can encourage pharmacy vaccination and what kinds of messages work best, we conducted a megastudy. We randomly assigned 689,693 Walmart pharmacy patients to receive one of 22 different text reminders using a variety of different behavioral science principles to nudge flu vaccination or to a business-as-usual control condition that received no messages. We found that the reminder texts that we tested increased pharmacy vaccination rates by an average of 2.0 percentage points, or 6.8%, over a 3-mo follow-up period. The most-effective messages reminded patients that a flu shot was waiting for them and delivered reminders on multiple days. The top-performing intervention included two texts delivered 3 d apart and communicated to patients that a vaccine was "waiting for you." Neither experts nor lay people anticipated that this would be the best-performing treatment, underscoring the value of simultaneously testing many different nudges in a highly powered megastudy.
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Programas de Imunização , Vacinas contra Influenza/administração & dosagem , Farmácias , Vacinação/métodos , Idoso , COVID-19 , Feminino , Humanos , Influenza Humana/prevenção & controle , Masculino , Pessoa de Meia-Idade , Farmácias/estatística & dados numéricos , Sistemas de Alerta , Envio de Mensagens de Texto , Vacinação/estatística & dados numéricosRESUMO
The COVID-19 pandemic has fundamentally altered how people spend time, with possible consequences for subjective well-being. Using diverse samples from the United States, Canada, Denmark, Brazil, and Spain (n = 31,141), following a preregistered analytic plan, and employing both mega- and meta-analyses, we find consistent gender differences in time spent on necessities. During the pandemic, women-especially mothers-spent more time on tasks such as childcare and household chores. To the extent that women spent more time on chores than men, they reported lower happiness. These data represent one of the most rigorous investigations of gender differences in time use during the forced lockdowns created by the COVID-19 pandemic, and point toward individual differences that should be considered when designing policies now and post-COVID-19.
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COVID-19/epidemiologia , Internacionalidade , Caracteres Sexuais , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de TempoRESUMO
In nine studies using archival data, surveys, and experiments, we identify a factor that predicts gender differences in time stress and burnout. Across academic and professional settings, women are less likely to ask for more time when working under adjustable deadlines (studies 1 to 4a). Women's discomfort in asking for more time on adjustable deadlines uniquely predicts time stress and burnout, controlling for marital status, industry, tenure, and delegation preferences (study 1). Women are less likely to ask for more time to complete their tasks because they hold stronger beliefs that they will be penalized for these requests and worry more about burdening others (studies 1 to 2d). We find no evidence that women are judged more harshly than men (study 3). We also document a simple organizational intervention: formal processes for requesting deadline extensions reduce gender differences in asking for more time (studies 4a to 5).
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Caracteres Sexuais , Estresse Psicológico , Mulheres/psicologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de TempoRESUMO
Honest reporting is essential for society to function well. However, people frequently lie when asked to provide information, such as misrepresenting their income to save money on taxes. A landmark finding published in PNAS [L. L. Shu, N. Mazar, F. Gino, D. Ariely, M. H. Bazerman, Proc. Natl. Acad. Sci. U.S.A. 109, 15197-15200 (2012)] provided evidence for a simple way of encouraging honest reporting: asking people to sign a veracity statement at the beginning instead of at the end of a self-report form. Since this finding was published, various government agencies have adopted this practice. However, in this project, we failed to replicate this result. Across five conceptual replications (n = 4,559) and one highly powered, preregistered, direct replication (n = 1,235) conducted with the authors of the original paper, we observed no effect of signing first on honest reporting. Given the policy applications of this result, it is important to update the scientific record regarding the veracity of these results.
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Contratos , Enganação , HumanosRESUMO
Does retirement lead to an existential crisis or present an opportunity to experience a renewed sense of purpose in life? Prior research has documented a negative association between retirement and sense of purpose in life, suggesting that retirement could lead people to feel aimless and lost. We revisited these findings using a quasiexperimental approach and identified the causal impact of retirement on purpose in life. In a nationally representative panel of American adults (N = 8,113), we applied an instrumental-variable analysis to assess how Social Security retirement incentives in the United States drove differences in the likelihood of retirement. Results showed a sizable increase in purpose in life as an outcome of retirement. These improvements were driven by individuals with lower socioeconomic status who retired from dissatisfying jobs. The findings suggest that retirement may provide an opportunity to experience a renewed sense of purpose, especially among socioeconomically disadvantaged populations.
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Aposentadoria , Previdência Social , Adulto , Humanos , Renda , Classe Social , Estados UnidosRESUMO
Around the world, increases in wealth have produced an unintended consequence: a rising sense of time scarcity. We provide evidence that using money to buy time can provide a buffer against this time famine, thereby promoting happiness. Using large, diverse samples from the United States, Canada, Denmark, and The Netherlands (n = 6,271), we show that individuals who spend money on time-saving services report greater life satisfaction. A field experiment provides causal evidence that working adults report greater happiness after spending money on a time-saving purchase than on a material purchase. Together, these results suggest that using money to buy time can protect people from the detrimental effects of time pressure on life satisfaction.
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Felicidade , Satisfação Pessoal , Qualidade de Vida/psicologia , Adulto , Canadá , Comportamento do Consumidor , Dinamarca , Emoções/ética , Feminino , Humanos , Renda , Masculino , Pessoa de Meia-Idade , Países Baixos , Tempo , Estados UnidosRESUMO
Poverty entails more than a scarcity of material resources-it also involves a shortage of time. To examine the causal benefits of reducing time poverty, we conducted a longitudinal field experiment over six consecutive weeks in an urban slum in Kenya with a sample of working mothers, a population who is especially likely to experience severe time poverty. Participants received vouchers for services designed to reduce their burden of unpaid labor. We compared the effect of these vouchers against equivalently valued unconditional cash transfers (UCTs) and a neutral control condition. In contrast to our pre-registered hypotheses, a pre-registered Bayesian ANCOVA indicated that the time-saving, UCT, and control conditions led to similar increases in subjective well-being, reductions in perceived stress, and decreases in relationship conflict (Cohen's d's ranged from 0.25 to 0.85 during the treatment weeks and from 0.21 to 0.36 at the endline). Exploratory analyses revealed that the time-saving vouchers and UCTs produced these benefits through distinct psychological pathways. We conclude by discussing the implications of these results for economic development initiatives. PROTOCOL REGISTRATION: The Stage 1 protocol for this Registered Report was accepted in principle on 27/06/2019. The protocol, as accepted by Nature Human Behaviour, can be found at https://doi.org/10.6084/m9.figshare.c.4368455 .
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COVID-19 has infected millions of people and upended the lives of most humans on the planet. Researchers from across the psychological sciences have sought to document and investigate the impact of COVID-19 in myriad ways, causing an explosion of research that is broad in scope, varied in methods, and challenging to consolidate. Because policy and practice aimed at helping people live healthier and happier lives requires insight from robust patterns of evidence, this article provides a rapid and thorough summary of high-quality studies available through early 2021 examining the mental-health consequences of living through the COVID-19 pandemic. Our review of the evidence indicates that anxiety, depression, and distress increased in the early months of the pandemic. Meanwhile, suicide rates, life satisfaction, and loneliness remained largely stable throughout the first year of the pandemic. In response to these insights, we present seven recommendations (one urgent, two short-term, and four ongoing) to support mental health during the pandemic and beyond.
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COVID-19 , Humanos , Solidão/psicologia , Saúde Mental , Pandemias , SARS-CoV-2RESUMO
BACKGROUND: To date, public health policies implemented during the COVID-19 pandemic have been evaluated on the basis of their ability to reduce transmission and minimise economic harm. We aimed to assess the association between COVID-19 policy restrictions and mental health during the COVID-19 pandemic. METHODS: In this longitudinal analysis, we combined daily policy stringency data from the Oxford COVID-19 Government Response Tracker with psychological distress scores and life evaluations captured in the Imperial College London-YouGov COVID-19 Behaviour Tracker Global Survey in fortnightly cross-sections from samples of 15 countries between April 27, 2020, and June 28, 2021. The mental health questions provided a sample size of 432 642 valid responses, with an average of 14 918 responses every 2 weeks. To investigate how policy stringency was associated with mental health, we considered two potential mediators: observed physical distancing and perceptions of the government's handling of the pandemic. Countries were grouped on the basis of their response to the COVID-19 pandemic as those pursuing an elimination strategy (countries that aimed to eliminate community transmission of SARS-CoV-2 within their borders) or those pursuing a mitigation strategy (countries that aimed to control SARS-CoV-2 transmission). Using a combined dataset of country-level and individual-level data, we estimated linear regression models with country-fixed effects (ie, dummy variables representing the countries in our sample) and with individual and contextual covariates. Additionally, we analysed data from a sample of Nordic countries, to compare Sweden (that pursued a mitigation strategy) to other Nordic countries (that adopted a near-elimination strategy). FINDINGS: Controlling for individual and contextual variables, higher policy stringency was associated with higher mean psychological distress scores and lower life evaluations (standardised coefficients ß=0·014 [95% CI 0·005 to 0·023] for psychological distress; ß=-0·010 [-0·015 to -0·004] for life evaluation). Pandemic intensity (number of deaths per 100 000 inhabitants) was also associated with higher mean psychological distress scores and lower life evaluations (standardised coefficients ß=0·016 [0·008 to 0·025] for psychological distress; ß=-0·010 [-0·017 to -0·004] for life evaluation). The negative association between policy stringency and mental health was mediated by observed physical distancing and perceptions of the government's handling of the pandemic. We observed that countries pursuing an elimination strategy used different policy timings and intensities compared with countries pursuing a mitigation strategy. The containment policies of countries pursuing elimination strategies were on average less stringent, and fewer deaths were observed. INTERPRETATION: Changes in mental health measures during the first 15 months of the COVID-19 pandemic were small. More stringent COVID-19 policies were associated with poorer mental health. Elimination strategies minimised transmission and deaths, while restricting mental health effects. FUNDING: None.
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COVID-19 , Humanos , Saúde Mental , Pandemias/prevenção & controle , Política Pública , SARS-CoV-2RESUMO
The impacts of COVID-19 on workers and workplaces across the globe have been dramatic. This broad review of prior research rooted in work and organizational psychology, and related fields, is intended to make sense of the implications for employees, teams, and work organizations. This review and preview of relevant literatures focuses on (a) emergent changes in work practices (e.g., working from home, virtual teamwork) and (b) emergent changes for workers (e.g., social distancing, stress, and unemployment). In addition, potential moderating factors (demographic characteristics, individual differences, and organizational norms) are examined given the likelihood that COVID-19 will generate disparate effects. This broad-scope overview provides an integrative approach for considering the implications of COVID-19 for work, workers, and organizations while also identifying issues for future research and insights to inform solutions. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
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COVID-19 , Individualidade , Cultura Organizacional , Distanciamento Físico , Teletrabalho , Desemprego , Local de Trabalho , COVID-19/prevenção & controle , HumanosRESUMO
Across five field experiments with employees of a large organization (n = 68,915), we examined whether standard behavioural interventions ('nudges') successfully reduced single-occupancy vehicle commutes. In Studies 1 and 2, we sent letters and emails with nudges designed to increase carpooling. These interventions failed to increase carpool sign-up or usage. In Studies 3a and 4, we examined the efficacy of other well-established behavioural interventions: non-cash incentives and personalized travel plans. Again, we found no positive effect of these interventions. Across studies, effect sizes ranged from Cohen's d = -0.01 to d = 0.05. Equivalence testing, using study-specific smallest effect sizes of interest, revealed that the treatment effects observed in four out of five of our experiments were statistically equivalent to zero (P < 0.04). The failure of these well-powered experiments designed to nudge commuting behaviour highlights both the difficulty of changing commuter behaviour and the importance of publishing null results to build cumulative knowledge about how to encourage sustainable travel.
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Condução de Veículo , Comportamento do Consumidor , Comportamento Cooperativo , Motivação , Comunicação Persuasiva , Meios de Transporte , Adulto , Emprego , Feminino , Humanos , MasculinoRESUMO
Over the last two decades, global wealth has risen. Yet material affluence has not translated into time affluence. Most people report feeling persistently 'time poor'-like they have too many things to do and not enough time to do them. Time poverty is linked to lower well-being, physical health and productivity. Individuals, organisations and policymakers often overlook the pernicious effects of time poverty. Billions of dollars are spent each year to alleviate material poverty, while time poverty is often ignored or exacerbated. In this Perspective, we discuss the societal, organisational, institutional and psychological factors that explain why time poverty is often under appreciated. We argue that scientists, policymakers and organisational leaders should devote more attention and resources toward understanding and reducing time poverty to promote psychological and economic well-being.
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Eficiência , Satisfação Pessoal , Qualidade de Vida , Fatores Socioeconômicos , Fatores de Tempo , Trabalho , HumanosRESUMO
Our thoughts, feelings, and behaviors are shaped in critical ways by our beliefs about how we compare to other people. Prior research has predominately focused on the consequences of believing oneself to be better than average (BTA). Research on the consequences of worse-than-average (WTA) beliefs has been far more limited, focusing mostly on the downsides of WTA beliefs. In this paper, we argue for the systematic investigation of the possible long-term benefits of WTA beliefs in domains including motivation, task performance, and subjective well-being. We develop a conceptual framework for examining these possible benefits, we explore the usefulness of this framework to generate novel insights in an important psychological domain (skill learning), and we conclude with broader recommendations for research in other domains such as friendship formation, moral, and political decision making.
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Who benefits most from helping others? Previous research suggests that common polymorphisms of the oxytocin receptor gene (OXTR) predict whether people behave generously and experience increases in positive mood in response to socially focused experiences in daily life. Building on these findings, we conducted an experiment with a large, ethnically homogenous sample (N = 437) to examine whether individual differences in three frequently studied single nucleotide polymorphisms of OXTR (rs53576, rs2268498, rs2254298) also predict differences in the positive mood benefits of financial generosity. Consistent with past research, participants who were randomly assigned to purchase items for others (vs. themselves) reported greater positive affect. Contrary to predictions, using Bayesian statistics, we found conclusive evidence that the benefits of generosity were not moderated by individual differences in OXTR single nucleotide polymorphisms. The current work highlights the importance of publishing null results to build cumulative knowledge linking neurobiological factors to positive emotional experiences. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Afeto/fisiologia , Emoções/fisiologia , Polimorfismo de Nucleotídeo Único/genética , Receptores de Ocitocina/genética , Comportamento Social , Feminino , Humanos , MasculinoRESUMO
INTRODUCTION: Growing evidence documents strong associations between volunteering and favorable health and well-being outcomes. However, epidemiological studies have not evaluated whether changes in volunteering are associated with subsequent health and well-being outcomes. METHODS: Data were from 12,998 participants in the Health and Retirement Study-a large, diverse, prospective, and nationally representative cohort of U.S. adults aged >50 years. Using multiple logistic, linear, and generalized linear regression models, this study evaluated if changes in volunteering (between t0, 2006/2008 and t1, 2010/2012) were associated with 34 indicators of physical health, health behaviors, and psychosocial well-being (in t2, 2014/2016). Models adjusted for sociodemographics, physical health, health behaviors, psychosocial factors, and personality, as well as volunteering and all outcomes in the prebaseline wave (t0, 2006/2008). Results accounted for multiple testing and data were analyzed in 2019. RESULTS: During the 4-year follow-up period, participants who volunteered ≥100 hours/year (versus 0 hours/year) had a reduced risk of mortality and physical functioning limitations, higher physical activity, and better psychosocial outcomes (higher: positive affect, optimism, and purpose in life; lower: depressive symptoms, hopelessness, loneliness, and infrequent contact with friends). Volunteering was not associated with other physical health outcomes (diabetes, hypertension, stroke, cancer, heart disease, lung disease, arthritis, overweight/obesity, cognitive impairment, and chronic pain), health behaviors (binge drinking, smoking, and sleep problems), or psychosocial outcomes (life satisfaction, mastery, health/financial mastery, depression, negative affect, perceived constraints, and contact with other family/children). CONCLUSIONS: With further research, volunteering is an activity that physicians might suggest to their willing and able patients as a way of simultaneously enhancing health and society.
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Comportamentos Relacionados com a Saúde , Nível de Saúde , Voluntários , Idoso , Idoso de 80 Anos ou mais , Exercício Físico , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Estudos ProspectivosRESUMO
Although people may think that money improves one's relationships, research suggests otherwise. Focusing on money is associated with spending less time maintaining relationships and less desire to rely on others for help. But why does focusing on money relate to worse social outcomes? We propose that when people base their self-esteem on financial success-that is, have financially contingent self-worth-they are likely to feel pressured to pursue success in this domain, which may come at the expense of spending time with close others. Consistent with this idea, results of four cross-sectional studies (N = 2,439) and a daily diary study (N = 246) revealed that basing one's self-worth on financial success is associated with greater feelings of loneliness and social disconnection, and this may be related to experiencing less autonomy and spending less time with family and friends.
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Logro , Status Econômico , Amigos , Amor , Autoimagem , Adulto , Estudos Transversais , Fatores Econômicos , Feminino , Amigos/psicologia , Humanos , Solidão , MasculinoRESUMO
Time is a finite and precious resource, and the way that we value our time can critically shape happiness. In this article, we present a conceptual framework to explain when valuing time can enhance versus undermine wellbeing. Specifically, we review the emotional benefits of valuing time more than money, and discuss the emotional costs of valuing time like money. Lastly, we suggest directions for future research examining the causes and consequences of the value that we place on our time.
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Felicidade , Comportamento Social , Gerenciamento do Tempo/psicologia , Humanos , RendaRESUMO
How does prioritizing time or money shape major life decisions and subsequent well-being? In a preregistered longitudinal study of approximately 1000 graduating university students, respondents who valued time over money chose more intrinsically rewarding activities and were happier 1 year after graduation. These results remained significant controlling for baseline happiness and potential confounds, such as materialism and socioeconomic status, and when using alternative model specifications. These findings extend previous research by showing that the tendency to value time over money is predictive not only of daily consumer choices but also of major life decisions. In addition, this research uncovers a previously unidentified mechanism-the pursuit of intrinsically motivated activities-that underlies the previously observed association between valuing time and happiness. This work sheds new light on whether, when, and how valuing time shapes happiness.
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Felicidade , Motivação , Estudantes , Adolescente , Adulto , Feminino , Humanos , Estudos Longitudinais , MasculinoRESUMO
Recent research suggests that affluent individuals adopt agentic self-concepts, striving to stand out from others and to master the environment on their own. The present study provides a road test of this idea, showing that this theorizing can be utilized to increase charitable giving among the affluent, when individuals do not realize that their behavior is being studied. In a naturalistic field experiment conducted as part of an annual fundraising campaign (N = 12,316), we randomly assigned individuals from an affluent sample to view messages focused on agency (vs. communion). Messages that focused on personal agency (vs. communion) increased the total amount of money that individuals in the sample donated by approximately 82%. These findings provide evidence for a simple, theoretically-grounded method of encouraging donations among those with the greatest capacity to give.