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Giang A, Edwards MR, Fletcher SM, Gardner-Frolick R, Gryba R, Mathias JD, Venier-Cambron C, Anderies JM, Berglund E, Carley S, Erickson JS, Grubert E, Hadjimichael A, Hill J, Mayfield E, Nock D, Pikok KK, Saari RK, Samudio Lezcano M, Siddiqi A, Skerker JB, Tessum CW. Equity and modeling in sustainability science: Examples and opportunities throughout the process. Proc Natl Acad Sci U S A 2024; 121:e2215688121. [PMID: 38498705 PMCID: PMC10990085 DOI: 10.1073/pnas.2215688121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024] Open
Abstract
Equity is core to sustainability, but current interventions to enhance sustainability often fall short in adequately addressing this linkage. Models are important tools for informing action, and their development and use present opportunities to center equity in process and outcomes. This Perspective highlights progress in integrating equity into systems modeling in sustainability science, as well as key challenges, tensions, and future directions. We present a conceptual framework for equity in systems modeling, focused on its distributional, procedural, and recognitional dimensions. We discuss examples of how modelers engage with these different dimensions throughout the modeling process and from across a range of modeling approaches and topics, including water resources, energy systems, air quality, and conservation. Synthesizing across these examples, we identify significant advances in enhancing procedural and recognitional equity by reframing models as tools to explore pluralism in worldviews and knowledge systems; enabling models to better represent distributional inequity through new computational techniques and data sources; investigating the dynamics that can drive inequities by linking different modeling approaches; and developing more nuanced metrics for assessing equity outcomes. We also identify important future directions, such as an increased focus on using models to identify pathways to transform underlying conditions that lead to inequities and move toward desired futures. By looking at examples across the diverse fields within sustainability science, we argue that there are valuable opportunities for mutual learning on how to use models more effectively as tools to support sustainable and equitable futures.
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Affiliation(s)
- Amanda Giang
- Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
- Department of Mechanical Engineering, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
| | - Morgan R. Edwards
- La Follette School of Public Affairs, University of Wisconsin-Madison, Madison, WI53706
- Nelson Institute Center for Sustainability and the Global Environment, University of Wisconsin-Madison, Madison, WI53706
| | - Sarah M. Fletcher
- Department of Civil and Environmental Engineering, Stanford University, Stanford, CA94305
- Woods Institute for the Environment, Stanford University, Stanford, CA94305
| | - Rivkah Gardner-Frolick
- Department of Mechanical Engineering, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
| | - Rowenna Gryba
- Department of Statistics, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
- Department of Geography, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
- Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, BCV6T 1Z4, Canada
| | - Jean-Denis Mathias
- Université Clermont Auvergne, INRAE, UR LISC, Centre de Clermont-Ferrand, AubièreF-63178, France
| | - Camille Venier-Cambron
- Department of Environmental Geography, Instituut voor Milieuvraagstukken, Vrije Universiteit Amsterdam, Amsterdam1081 HV, The Netherlands
| | - John M. Anderies
- School of Sustainability, Arizona State University, Tempe, AZ85287
| | - Emily Berglund
- Department of Civil Construction, and Environmental Engineering, North Carolina State University, Raleigh, NC27695
| | - Sanya Carley
- Kleinman Center for Energy Policy, Stuart Weitzman School of Design, Department of City Planning, University of Pennsylvania, Philadelphia, PA19104
| | - Jacob Shimkus Erickson
- Nelson Institute Center for Sustainability and the Global Environment, University of Wisconsin-Madison, Madison, WI53706
- Department of Agricultural and Applied Economics, University of Wisconsin-Madison, Madison, WI53706
| | - Emily Grubert
- Keough School of Global Affairs, University of Notre Dame, Notre Dame, IN46556
| | - Antonia Hadjimichael
- Department of Geosciences, College of Earth and Mineral Sciences, Pennsylvania State University, University Park, PA16802
- Earth and Environmental Systems Institute, College of Earth and Mineral Sciences, Pennsylvania State University, University Park, PA16802
| | - Jason Hill
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, Minneapolis, MN55455
| | - Erin Mayfield
- Thayer School of Engineering, Dartmouth College, Hanover, NH03755
| | - Destenie Nock
- Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, PA15213
| | - Kimberly Kivvaq Pikok
- International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, AK99775
| | - Rebecca K. Saari
- Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, ONN2L 3G1, Canada
| | - Mateo Samudio Lezcano
- Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, PA15213
| | - Afreen Siddiqi
- Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA02139
| | - Jennifer B. Skerker
- Department of Civil and Environmental Engineering, Stanford University, Stanford, CA94305
| | - Christopher W. Tessum
- Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL61801
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Movahedi Nia Z, Prescod C, Westin M, Perkins P, Goitom M, Fevrier K, Bawa S, Kong J. Cross-sectional study to assess the impact of the COVID-19 pandemic on healthcare services and clinical admissions using statistical analysis and discovering hotspots in three regions of the Greater Toronto Area. BMJ Open 2024; 14:e082114. [PMID: 38485179 PMCID: PMC10941105 DOI: 10.1136/bmjopen-2023-082114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 02/28/2024] [Indexed: 03/17/2024] Open
Abstract
OBJECTIVES The COVID-19 pandemic disrupted healthcare services, leading to the cancellation of non-urgent tests, screenings and procedures, a shift towards remote consultations, stalled childhood immunisations and clinic closures which had detrimental effects across the healthcare system. This study investigates the impact of the COVID-19 pandemic on clinical admissions and healthcare quality in the Peel, York and Toronto regions within the Greater Toronto Area (GTA). DESIGN In a cross-sectional study, the negative impact of the pandemic on various healthcare sectors, including preventive and primary care (PPC), the emergency department (ED), alternative level of care (ALC) and imaging, procedures and surgeries is investigated. Study questions include assessing impairments caused by the COVID-19 pandemic and discovering hotspots and critical subregions that require special attention to recover. The measuring technique involves comparing the number of cases during the COVID-19 pandemic with before that, and determining the difference in percentage. Statistical analyses (Mann-Whitney U test, analysis of variance, Dunn's test) is used to evaluate sector-specific changes and inter-relationships. SETTING This work uses primary data which were collected by the Black Creek Community Health Centre. The study population was from three regions of GTA, namely, the city of Toronto, York and Peel. For all health sectors, the sample size was large enough to have a statistical power of 0.95 to capture 1% variation in the number of cases during the COVID-19 pandemic compared with before that. RESULTS All sectors experienced a significant decline in patient volume during the pandemic. ALC admissions surged in some areas, while IPS patients faced delays. Surgery waitlists increased by an average of 9.75%, and completed IPS procedures decreased in several subregions. CONCLUSIONS The COVID-19 pandemic had a universally negative impact on healthcare sectors across various subregions. Identification of the hardest-hit subregions in each sector can assist health officials in crafting recovery policies.
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Affiliation(s)
- Zahra Movahedi Nia
- Africa-Canada Artificial Intelligence and Data Innovation Consortium (ACADIC), Department of Mathematics and Statistics, York University, Toronto, Ontario, Canada
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
| | - Cheryl Prescod
- Black Creek Community Health Centre, Toronto, Ontario, Canada
| | - Michelle Westin
- Black Creek Community Health Centre, Toronto, Ontario, Canada
| | - Patricia Perkins
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
- Faculty of Environment and Urban Change, York University, Toronto, Ontario, Canada
| | - Mary Goitom
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
- School of Social Work, York University, Toronto, Ontario, Canada
| | - Kesha Fevrier
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
- Department of Geography and Planning, Queen's University, Kingston, New York, Canada
| | - Sylvia Bawa
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
- Department of Sociology, York University, Toronto, Ontario, Canada
| | - Jude Kong
- Africa-Canada Artificial Intelligence and Data Innovation Consortium (ACADIC), Department of Mathematics and Statistics, York University, Toronto, Ontario, Canada
- Resilience Research Atlantic Alliance on Sustainability, Supporting Recovery and Renewal (REASURE2) Network, Toronto, Ontario, Canada
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Vergunst F, Vitaro F, Brendgen M, Larose MP, Girard A, Tremblay RE, Côté SM. Mechanisms and pathways linking kindergarten behavior problems with mid-life employment earnings for males from low-income neighborhoods. Child Dev 2024; 95:208-222. [PMID: 37424295 DOI: 10.1111/cdev.13967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 05/29/2023] [Accepted: 06/12/2023] [Indexed: 07/11/2023]
Abstract
Childhood behavior problems are associated with reduced labor market participation and lower earnings in adulthood, but little is known about the pathways and mechanisms that explain these associations. Drawing on a 33-year prospective birth cohort of White males from low-income backgrounds (n = 1040), we conducted a path analysis linking participants' teacher-rated behavior problems at age 6 years-that is, inattention, hyperactivity, aggression-opposition, and low prosociality-to employment earnings at age 35-39 years obtained from tax records. We examined three psychosocial mediators at age 11-12 years (academic, behavioral, social) and two mediators at age 25 years (non-high school graduation, criminal convictions). Our findings support the notion that multiple psychosocial pathways-especially low education attainment-link kindergarten behavior problems to lower employment earnings decades later.
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Affiliation(s)
- Francis Vergunst
- Department of Special Needs Education, University of Oslo, Oslo, Norway
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- Department of Social and Preventive Medicine, University of Montreal, Montreal, Quebec, Canada
| | - Frank Vitaro
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- School of Psycho-Education, University of Montreal, Montreal, Quebec, Canada
| | - Mara Brendgen
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- Department of Psychology, University of Quebec in Montreal, Montreal, Quebec, Canada
| | - Marie-Pier Larose
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- Department of Social and Preventive Medicine, University of Montreal, Montreal, Quebec, Canada
- Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland
| | - Alain Girard
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
| | - Richard E Tremblay
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- Department of Pediatrics and Psychology, University of Montreal, Montreal, Quebec, Canada
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Dublin, Ireland
| | - Sylvana M Côté
- Sainte-Justine Hospital Research Center, Montreal, Quebec, Canada
- Department of Social and Preventive Medicine, University of Montreal, Montreal, Quebec, Canada
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Luo Y, Li A, Soman D, Zhao J. A meta-analytic cognitive framework of nudge and sludge. R Soc Open Sci 2023; 10:230053. [PMID: 38034123 PMCID: PMC10685127 DOI: 10.1098/rsos.230053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 10/31/2023] [Indexed: 12/02/2023]
Abstract
Public and private institutions have gained traction in developing interventions to alter people's behaviours in predictable ways without limiting the freedom of choice or significantly changing the incentive structure. A nudge is designed to facilitate actions by minimizing friction, while a sludge is an intervention that inhibits actions by increasing friction, but the underlying cognitive mechanisms behind these interventions remain largely unknown. Here, we develop a novel cognitive framework by organizing these interventions along six cognitive processes: attention, perception, memory, effort, intrinsic motivation and extrinsic motivation. In addition, we conduct a meta-analysis of field experiments (i.e. randomized controlled trials) that contained real behavioural measures (n = 184 papers, k = 184 observations, N = 2 245 373 participants) from 2008 to 2021 to examine the effect size of these interventions targeting each cognitive process. Our findings demonstrate that interventions changing effort are more effective than interventions changing intrinsic motivation, and nudge and sludge interventions had similar effect sizes. However, these results need to be interpreted with caution due to a potential publication bias. This new meta-analytic framework provides cognitive principles for organizing nudge and sludge with corresponding behavioural impacts. The insights gained from this framework help inform the design and development of future interventions based on cognitive insights.
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Affiliation(s)
- Yu Luo
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Andrew Li
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Dilip Soman
- Rotman School of Management, University of Toronto, Toronto, Canada
| | - Jiaying Zhao
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
- Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, British Columbia, Canada
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Orhierhor M, Pringle W, Halperin D, Parsons J, Halperin SA, Bettinger JA. Lessons learned from the experiences and perspectives of frontline healthcare workers on the COVID-19 response: a qualitative descriptive study. BMC Health Serv Res 2023; 23:1074. [PMID: 37805603 PMCID: PMC10559616 DOI: 10.1186/s12913-023-10062-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/25/2023] [Indexed: 10/09/2023] Open
Abstract
BACKGROUND During the COVID-19 pandemic, healthcare systems and healthcare workers (HCWs) faced significant demands and unique challenges. In this qualitative study, we explore the effects of the COVID-19 public health policies on British Columbia's frontline HCWs, describe what worked in the management of the pandemic, and elucidate the lessons learned that could be applied to future pandemic preparedness, recovery and response. METHODS This qualitative descriptive study is part of a larger, national multi-case study on pandemic policy communication and uptake. Semi-structured interviews were conducted from November 2020- June 2021 with fourteen HCWs working in long-term care (LTC), acute care and public health settings. Data were inductively coded, and analyzed following a resilience framework for public health emergency preparedness, which emphasizes the essential elements of a public health system, vital to all phases of health emergency management, readiness, response and recovery. RESULTS HCWs experienced confusion, frustration, uncertainty, anxiety, fatigue and stress, during the pandemic and detailed challenges that affected policy implementation. This included communication and coordination inconsistencies between the province and regional health authorities; lack of involvement of frontline staff in pandemic planning; inadequate training and support; inadequate personal protective equipment resource capacity and mobilization; and staffing shortages. HCWs recommended increased collaboration between frontline staff and policy makers, investment in preparing and practicing pandemic plans, and the need for training in emergency management and infection prevention and control. CONCLUSIONS Pandemic planning, response and recovery should include inputs from actors/key stakeholders at the provincial, regional and local levels, to facilitate better coordination, communication and outcomes. Also, given the critical roles of frontline HCWs in policy implementation, they should be adequately supported and consideration must be given to how they interpret and act on policies. Bi-directional communication channels should be incorporated between policymakers and frontline HCWs to verify the appropriate adoption of policies, reflective learning, and to ensure policy limitations are being communicated and acted upon by policy makers.
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Affiliation(s)
- Marian Orhierhor
- Vaccine Evaluation Center, BC Children's Hospital Research Institute, University of British Columbia, A5-950 West 28th Street, Vancouver, BC, V5Z 4H4, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
| | - Wendy Pringle
- Vaccine Evaluation Center, BC Children's Hospital Research Institute, University of British Columbia, A5-950 West 28th Street, Vancouver, BC, V5Z 4H4, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
| | - Donna Halperin
- Rankin School of Nursing, St. Francis Xavier University, 4130 University Ave, Antigonish, Nova Scotia, B2G 2W5, Canada
- Canadian Center for Vaccinology, Dalhousie University, IWK Health, Nova Scotia Health, Halifax, Nova Scotia, B3K 6R8, Canada
| | - Janet Parsons
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, M5B 1W8, Canada
- Department of Occupational Science & Occupational Therapy, Department of Physical Therapy, and the Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
| | - Scott A Halperin
- Canadian Center for Vaccinology, Dalhousie University, IWK Health, Nova Scotia Health, Halifax, Nova Scotia, B3K 6R8, Canada
- Departments of Pediatrics and Microbiology & Immunology, Dalhousie University, 5850/5980 University Ave, Halifax, Nova Scotia, Canada
| | - Julie A Bettinger
- Vaccine Evaluation Center, BC Children's Hospital Research Institute, University of British Columbia, A5-950 West 28th Street, Vancouver, BC, V5Z 4H4, Canada.
- Department of Pediatrics, University of British Columbia, Vancouver, Canada.
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McIntyre CL, Boucher TQ, Scheerer NE, Gurm M, Iarocci G. Brief Report: Alexithymia Trait Severity, Not Autistic Trait Severity, Relates to Caregiver Reactions to Autistic Children's Negative Emotions. J Autism Dev Disord 2023; 53:4100-4106. [PMID: 35437678 DOI: 10.1007/s10803-022-05494-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2022] [Indexed: 10/18/2022]
Abstract
Alexithymia impacts an individual's ability to recognize and understand emotions and frequently co-occurs with autism. This study investigated the relationship between children's alexithymia, autistic traits, and caregiver reactions to their child's negative emotions. Caregivers of 54 autistic and 51 non-autistic children between the ages of 7 and 12 years rated their child's alexithymia and autistic trait severity and their reactions to their child's negative emotions. Caregivers of autistic children reported greater supportive reactions and fewer restrictive/controlling reactions to their child's negative emotions when their child had more alexithymia traits. This study extends previous research by demonstrating that caregivers of autistic children with co-occurring alexithymia traits represent a specific subgroup of caregivers that respond more positively to their child's negative emotions.
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Affiliation(s)
- Cassia L McIntyre
- Department of Psychology, Simon Fraser University, 8888 University Drive, V5A 1S6, Burnaby, BC, Canada.
| | - Troy Q Boucher
- Department of Psychology, Simon Fraser University, 8888 University Drive, V5A 1S6, Burnaby, BC, Canada
| | - Nichole E Scheerer
- Department of Psychology, Simon Fraser University, 8888 University Drive, V5A 1S6, Burnaby, BC, Canada
- The Brain and Mind Institute, University of Western Ontario, 1151 Richmond Street, N6A 3K7, London, ON, Canada
| | - Mandeep Gurm
- Department of Psychology, Simon Fraser University, 8888 University Drive, V5A 1S6, Burnaby, BC, Canada
| | - Grace Iarocci
- Department of Psychology, Simon Fraser University, 8888 University Drive, V5A 1S6, Burnaby, BC, Canada
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Cénat JM, Noorishad PG, Dalexis RD, Rousseau C, Derivois D, Kokou-Kpolou CK, Bukaka J, Balayulu-Makila O, Guerrier M. Prevalence and risk factors of depression symptoms among rural and urban populations affected by Ebola virus disease in the Democratic Republic of the Congo: a representative cross-sectional study. BMJ Open 2022; 12:e053375. [PMID: 35017247 PMCID: PMC8753092 DOI: 10.1136/bmjopen-2021-053375] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 12/20/2021] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES High mortality rates, anxiety and distress associated with Ebola virus disease (EVD) are risk factors for mood disorders in affected communities. This study aims to document the prevalence and risk factors associated with depressive symptoms among a representative sample of individuals affected by EVD. DESIGN Cross-sectional study. SETTING The current study was conducted 7 months (March 11, 2019 to April 23, 2019) after the end of the ninth outbreak of EVD in the province of Equateur in the Democratic Republic of the Congo (DRC). PARTICIPANTS A large population-based sample of 1614 adults (50% women, Mage=34.05; SD=12.55) in health zones affected by the ninth outbreak in DRC. PRIMARY AND SECONDARY OUTCOME MEASURES Participants completed questionnaires assessing EVD exposure level, stigmatisation related to EVD and depressive symptoms. The ORs associated with sociodemographic data, EVD exposure level and stigmatisation were analysed through logistic regressions. RESULTS Overall, 62.03% (95% CI 59.66% to 64.40%) of individuals living in areas affected by EVD were categorised as having severe depressive symptoms. The multivariable logistic regression analyses showed that adults in the two higher score categories of exposure to EVD were at two times higher risk of developing severe depressive symptoms (respectively, OR 1.94 (95% CI 1.22 to 3.09); OR 2.34 (95% CI 1.26 to 4.34)). Individuals in the two higher categories of stigmatisation were two to four times more at risk (respectively, OR 2.42 (95% CI 1.53 to 3.83); OR 4.73 (95% CI 2.34 to 9.56)). Living in rural areas (OR 0.19 (95% CI 0.09 to 0.38)) and being unemployed (OR 0.68 (95% CI 0.50 to 0.93)) increased the likelihood of having severe depressive symptoms. CONCLUSIONS Results indicate that depressive symptoms in EVD affected populations is a major public health problem that must be addressed through culturally adapted mental health programs.
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Affiliation(s)
| | | | - Rose Darly Dalexis
- Interdisciplinary School of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Daniel Derivois
- Department of Psychology, Université Bourgogne Franche-Comté, Dijon, Franche-Comté, France
| | | | - Jacqueline Bukaka
- Department of Psychology, University of Kinshasa, Kinshasa, Congo (the Democratic Republic of the)
| | - Oléa Balayulu-Makila
- Department of Psychology, Université Bourgogne Franche-Comté, Dijon, Franche-Comté, France
- Department of Psychology, University of Kinshasa, Kinshasa, Congo (the Democratic Republic of the)
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Jin P, Haider H, Greiner R, Wei S, Häubl G. Using survival prediction techniques to learn consumer-specific reservation price distributions. PLoS One 2021; 16:e0249182. [PMID: 33914769 PMCID: PMC8084175 DOI: 10.1371/journal.pone.0249182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 03/12/2021] [Indexed: 11/18/2022] Open
Abstract
A consumer's "reservation price" (RP) is the highest price that s/he is willing to pay for one unit of a specified product or service. It is an essential concept in many applications, including personalized pricing, auction and negotiation. While consumers will not volunteer their RPs, we may be able to predict these values, based on each consumer's specific information, using a model learned from earlier consumer transactions. Here, we view each such (non)transaction as a censored observation, which motivates us to use techniques from survival analysis/prediction, to produce models that can generate a consumer-specific RP distribution, based on features of each new consumer. To validate this framework of RP, we run experiments on realistic data, with four survival prediction methods. These models performed very well (under three different criteria) on the task of estimating consumer-specific RP distributions, which shows that our RP framework can be effective.
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Affiliation(s)
- Ping Jin
- Department of Computing Science, University of Alberta, Edmonton, Canada
- * E-mail: (PJ); (HH)
| | - Humza Haider
- Department of Computing Science, University of Alberta, Edmonton, Canada
- * E-mail: (PJ); (HH)
| | - Russell Greiner
- Department of Computing Science, University of Alberta, Edmonton, Canada
- Alberta Machine Intelligence Institute, Edmonton, Alberta, Canada
| | - Sarah Wei
- Warwick Business School, the University of Warwick, Coventry, United Kingdom
| | - Gerald Häubl
- Alberta School of Business, University of Alberta, Edmonton, Canada
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Abstract
Around their first birthdays, infants begin to point, walk, and talk. These abilities are appreciable both by researchers with strictly standardized criteria and caregivers with more relaxed notions of what each of these skills entails. Here, we compare the onsets of these skills and links among them across two data collection methods: observation and parental report. We examine pointing, walking, and talking in a sample of 44 infants studied longitudinally from 6 to 18 months. In this sample, links between pointing and vocabulary were tighter than those between walking and vocabulary, supporting a unified sociocommunicative growth account. Indeed, across several cross-sectional and longitudinal analyses, pointers had larger vocabularies than their nonpointing peers. In contrast to previous work, this did not hold for walkers' versus crawlers' vocabularies in our sample. Comparing across data sources, we find that reported and observed estimates of the growing vocabulary and of age of walk onset were closely correlated, while agreement between parents and researchers on pointing onset and talking onset was weaker. Taken together, these results support a developmental account in which gesture and language are intertwined aspects of early communication and symbolic thinking, whereas the shift from crawling to walking appears indistinct from age in its relation with language. We conclude that pointing, walking, and talking are on similar timelines yet distinct from one another, and discuss methodological and theoretical implications in the context of early development. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Mitchell TL, Thomas D, Smith JA. Unsettling the Settlers: Principles of a Decolonial Approach to Creating Safe(r) Spaces in Post-secondary Education. Am J Community Psychol 2018; 62:350-363. [PMID: 30506806 DOI: 10.1002/ajcp.12287] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this paper we discuss the ongoing colonial relationship between Indigenous and non-Indigenous peoples in Canada with a consideration of how to align the principles and core values of community psychology in relation to Indigenous rights, decolonization, and social justice. In working with Community Psychology values to address issues of social justice it is necessary to recognize that empowerment alone is only one half of the solution. While our discipline focuses on oppression and the empowerment of vulnerable and disenfranchised populations we generally fail to consider the relational aspects of power and justice. Specifically, in recognizing power inequities the focus is often placed on empowerment among vulnerable or subjugated communities while neglecting the requisite counterbalance of consciousness-raising and de-powerment of dominant populations. The authors provide three personal accounts from a non-Indigenous faculty member, an Indigenous doctoral student, and a recently graduated non-Indigenous Masters student. We share our experiences of conscientization and decolonization within the post-secondary and graduate education systems. We describe an educational context, a pedagogical praxis, and our efforts to bridge the theories of Settler colonialism and community psychology. From our individual and collective reflections of engagement with decolonization in the education system we present an emergent framework that highlights four principles for decolonization. In implementing these principles we discuss the co-creation of safe(r), decolonized spaces within post-secondary institutions through deconstructing dominant narratives and illuminating Indigenous narratives of self-determination with attention to the de-powerment of non-Indigenous faculty and students.
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Affiliation(s)
- Terry L Mitchell
- Balsillie School of International Affairs, Laurier University, Waterloo, ON, Canada
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