Search Results - "Ghaffarzadegan, Navid"

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  1. 1

    Simulation-based what-if analysis for controlling the spread of Covid-19 in universities by Ghaffarzadegan, Navid

    Published in PloS one (01-02-2021)
    “…A simulation model is developed to analyze the spread of covid-19 in universities. The model can be used to conduct a what-if analysis and estimate infection…”
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    Journal Article
  2. 2

    Effect of mandating vaccination on COVID-19 cases in colleges and universities by Ghaffarzadegan, Navid

    “…With the introduction of COVID-19 vaccines, many colleges and universities decided to mandate vaccination for all students and employees. The objective of this…”
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    Journal Article
  3. 3

    Parameter estimation in behavioral epidemic models with endogenous societal risk-response by Osi, Ann, Ghaffarzadegan, Navid

    Published in PLoS computational biology (01-03-2024)
    “…Behavioral epidemic models incorporating endogenous societal risk-response, where changes in risk perceptions prompt adjustments in contact rates, are crucial…”
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  4. 4

    A cyclical wildfire pattern as the outcome of a coupled human natural system by Farkhondehmaal, Farshad, Ghaffarzadegan, Navid

    Published in Scientific reports (28-03-2022)
    “…Over the past decades, wildfire has imposed a considerable cost on natural resources and human lives. In many regions, annual wildfire trends show puzzling…”
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  5. 5

    Enhancing long-term forecasting: Learning from COVID-19 models by Rahmandad, Hazhir, Xu, Ran, Ghaffarzadegan, Navid

    Published in PLoS computational biology (19-05-2022)
    “…While much effort has gone into building predictive models of the COVID-19 pandemic, some have argued that early exponential growth combined with the…”
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  6. 6

    Late retirement, early careers, and the aging of U.S. science and engineering professors by Ghaffarzadegan, Navid, Xu, Ran

    Published in PloS one (26-12-2018)
    “…Studies of rescuing early-career scientists often take narrow approaches and focus on PhD students or postdoc populations. In a multi-method systems approach,…”
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  7. 7

    How small system dynamics models can help the public policy process by Ghaffarzadegan, Navid, Lyneis, John, Richardson, George P.

    Published in System dynamics review (01-01-2011)
    “…Public policies often fail to achieve their intended result because of the complexity of both the environment and the policy‐making process. In this article,…”
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  8. 8

    A Dynamic Model of Post-Traumatic Stress Disorder for Military Personnel and Veterans by Ghaffarzadegan, Navid, Ebrahimvandi, Alireza, Jalali, Mohammad S

    Published in PloS one (07-10-2016)
    “…Post-traumatic stress disorder (PTSD) stands out as a major mental illness; however, little is known about effective policies for mitigating the problem. The…”
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  9. 9

    Global Trends and Regional Variations in Studies of HIV/AIDS by Baghaei Lakeh, Arash, Ghaffarzadegan, Navid

    Published in Scientific reports (23-06-2017)
    “…We conduct textual analysis of a sample of more than 200,000 papers written on HIV/AIDS during the past three decades. Using the Latent Dirichlet Allocation…”
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  10. 10

    Recent trends in the U.S. behavioral and social sciences research (BSSR) workforce by Hur, Hyungjo, Andalib, Maryam A, Maurer, Julie A, Hawley, Joshua D, Ghaffarzadegan, Navid

    Published in PloS one (06-02-2017)
    “…While behavioral and social sciences occupations comprise one of the largest portions of the "STEM" workforce, most studies of diversity in STEM overlook this…”
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  11. 11

    Weather, air pollution, and SARS-CoV-2 transmission: a global analysis by Xu, Ran, Rahmandad, Hazhir, Gupta, Marichi, DiGennaro, Catherine, Ghaffarzadegan, Navid, Amini, Heresh, Jalali, Mohammad S

    Published in The Lancet. Planetary health (01-10-2021)
    “…Understanding how environmental factors affect SARS-CoV-2 transmission could inform global containment efforts. Despite high scientific and public interest and…”
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  12. 12

    Effects of government spending on research workforce development: evidence from biomedical postdoctoral researchers by Hur, Hyungjo, Ghaffarzadegan, Navid, Hawley, Joshua

    Published in PloS one (01-05-2015)
    “…We examine effects of government spending on postdoctoral researchers' (postdocs) productivity in biomedical sciences, the largest population of postdocs in…”
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  13. 13

    A missing behavioural feedback in COVID-19 models is the key to several puzzles by Rahmandad, Hazhir, Xu, Ran, Ghaffarzadegan, Navid

    Published in BMJ global health (01-10-2022)
    “…From government lock-down decisions to individual mask wearing, social distancing and vaccination choices, evolving actions of individuals and policy makers…”
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  14. 14

    Can a Patient's In-Hospital Length of Stay and Mortality Be Explained by Early-Risk Assessments? by Azadeh-Fard, Nasibeh, Ghaffarzadegan, Navid, Camelio, Jaime A

    Published in PloS one (15-09-2016)
    “…To assess whether a patient's in-hospital length of stay (LOS) and mortality can be explained by early objective and/or physicians' subjective-risk…”
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  15. 15

    Simulation‐based estimation of the early spread of COVID‐19 in Iran: actual versus confirmed cases by Ghaffarzadegan, Navid, Rahmandad, Hazhir

    Published in System dynamics review (01-01-2020)
    “…Understanding the state of the COVID‐19 pandemic relies on infection and mortality data. Yet official data may underestimate the actual cases due to limited…”
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  16. 16

    Neuroscience bridging scientific disciplines in health: Who builds the bridge, who pays for it? by Xu, Ran, Ghaffarzadegan, Navid

    Published in Scientometrics (01-11-2018)
    “…The purpose of this study is to investigate the dynamics of cross-disciplinary research in health-related fields as affected by individual and institutional…”
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  17. 17

    Too Many PhD Graduates or Too Few Academic Job Openings: The Basic Reproductive Number R0 in Academia by Larson, Richard C., Ghaffarzadegan, Navid, Xue, Yi

    Published in Systems research and behavioral science (01-11-2014)
    “…The academic job market has become increasingly competitive for PhD graduates. In this note, we ask the basic question of ‘Are we producing more PhDs than…”
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  18. 18

    Sociotechnical interdependencies and tipping‐point dynamics in data‐intensive services by Ghaffarzadegan, Navid, Mostafavi, Sarah, Kim, Hyunjung

    Published in System dynamics review (01-01-2023)
    “…Service science theories do not fully explain failure cases in data‐intensive services – high‐technology services that utilize large volumes of data and…”
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  19. 19

    Too Many PhD Graduates or Too Few Academic Job Openings: The Basic Reproductive Number R 0 in Academia by Larson, Richard C, Ghaffarzadegan, Navid, Xue, Yi

    Published in Systems research and behavioral science (01-11-2014)
    “…The academic job market has become increasingly competitive for PhD graduates. In this note, we ask the basic question of 'Are we producing more PhDs than…”
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    Journal Article
  20. 20

    The Forest and the Trees: A Systems Map of Governance Interdependencies in the Shaping Phase of Road Public–Private Partnerships by Guevara, Jose, Garvin, Michael J, Ghaffarzadegan, Navid

    Published in Journal of management in engineering (01-01-2020)
    “…AbstractThe emergence of public–private partnerships (PPPs) over the last few decades has prompted multiple literature reviews of the PPP body of knowledge…”
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