569 research outputs found

    Transportation and Taxes: What New Hampshire Residents Think About Maintaining Highways and Bridges

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    In this brief, authors Linda Fogg, Lawrence Hamilton, and Erin Bell share New Hampshire residents’ responses to questions on the state’s transportation infrastructure in surveys conducted by the University of New Hampshire’s Granite State Poll during 2016 and 2017. They report that only 36 percent of state residents are aware of the worsening conditions of New Hampshire highways and bridges. A thin majority support increased spending on public transportation, while 42 percent support more spending on highway maintenance and environmental protection. Disaster preparation and stormwater management are seen as lower priorities. There is little agreement on the main source of funds—for example, tolls, gas taxes, per-mile assessments—to maintain highways and bridges. Majorities would support a gas tax increase of 10 cents or somewhat more if needed to maintain state highways and bridges. Both awareness of infrastructure conditions and willingness to support tax increases to maintain highways and bridges vary by party affiliation

    Positive Sustainable Built Environments: The Cognitive and Behavioral Affordances of Environmentally Responsible Behavior in Green Residence Halls

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    A changing climate and global resource degradation have prompted technological innovations that reduce greenhouse gas emissions and are responsive to local ecological conditions. Green buildings that minimize the environmental impacts of the construction process and ongoing maintenance of the built environment, have been praised for their resource efficiency, design innovation, and benefits to building occupants. Increasingly, a growing body of literature has begun to examine the mutually beneficial relationships between sustainable architecture and building occupants. In addition to the well-documented benefits of inhabiting green buildings, the environmentally responsible behaviors (ERBs) of building occupants are worthy of examination. As a counterbalance to the dominant narrative in the green building industry that frames the building occupant as a potential energy liability, this research adopts a hopeful perspective of human behavior. Human behavior, though a significant contributor to global climate change, can also be part of the solution. This dissertation asserts that the situational context of green buildings may be designed to support the ERBs of building occupants. Much of the current research examining occupant ERBs in green buildings has focused exclusively on educational buildings, or buildings designed with a pedagogical intent (e.g., schools, museums, libraries). Less is known about how occupants learn about issues of sustainability and adopt environmental behaviors in buildings that are not designed to teach. This dissertation focuses on the environmental behaviors emerging from the informal relationship between undergraduate students and their on-campus residence halls, asking how the built environment supports or undermines the ERBs of occupants in green and non-green buildings over time. This dissertation develops and tests a theoretical model for understanding how buildings may support occupant ERBs. The Positive Sustainable Built Environments (PSBE) model is composed of three principle domains: Prime, Permit, and Invite. Collectively, the three components of the PSBE model suggest that a building 1) may prepare occupants to participate in ERBs through the restoration of their mental resources and/or by communicating a sustainable ethos, 2) may allow building occupants to control aspects of the interior environment related to their own energy and resource consumption, and 3) may encourage occupants to engage in ERBs through building features that implement a variety of behavioral intervention strategies. Occupant ERBs were measured over the course of one academic year through an online survey conducted with the first-time residents of six undergraduate residence halls. While many studies have explored the effectiveness of environmental behavior change intervention strategies with undergraduate students, very little research has examined the pre-existing psychological dimensions and the situational context of green buildings that may influence students’ environmental behaviors. The results of a linear mixed-effects regression analysis revealed no significant relationship between occupying a green residence hall and students’ ERBs. However, a further analysis of specific building characteristics, analyzed according to the PSBE model, suggest strong support for two of the three domains. The Prime and Invite domains were found to positively support occupant ERBs, regardless of the greenness of the residence hall. Additionally, several personal characteristics (i.e., Biospheric values, Environmental Concern, Technology motive, and Egoistic values) were found to significantly impact students’ ERBs. Results are discussed in light of implications for designers seeking to harness the existing environmental inclinations of college students and to adapt the physical and informational environments of residence halls to better support environmentally responsible behavior.PHDArch&Nat ResEnv PhDUniversity of Michigan, Horace H. Rackham School of Graduate Studieshttps://deepblue.lib.umich.edu/bitstream/2027.42/147618/1/emham_1.pd

    Preferred Level of Weird: A Librarian\u27s Guide to Fanfiction

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    This instruction guide aims to provide librarians with an understanding the basics of fanfiction including a glossary of terms, an introduction to the information seeking behaviours of fanfiction readers, and some search tips on a popular general fanfiction archive for helping both librarian and patron find the reading experience they are looking for

    Generational Aspects of U.S. Public Opinion on Renewable Energy and Climate Change

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    The topics of climate change and renewable energy often are linked in policy discussions and scientific analysis, but public opinion on these topics exhibits both overlap and divergence. Although renewable energy has potentially broader acceptance than anthropogenic climate change, it can also sometimes face differently-based opposition. Analyses of U.S. and regional surveys, including time series of repeated surveys in New Hampshire (2010–2018) and northeast Oregon (2011–2018), explore the social bases of public views on both issues. Political divisions are prominent, although somewhat greater regarding climate change. Such divisions widen with education, an interaction effect documented in other studies as well. We also see robust age and temporal effects. Younger adults more often prioritize renewable energy development, and agree with scientists on the reality of anthropogenic climate change (ACC). Across all age groups and both regional series, support for renewable energy and recognition of ACC have been gradually rising. These trends, together with age-cohort replacement and possible changes in age-group voting participation, suggest that public pressure for action on these issues could grow

    Assimilation and emerging health disparities among new generations of U.S. children

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    This article shows that the prevalence of four common child health conditions increases across generations (from first-generation immigrant children to second-generation U.S.-born children of immigrants to third-and-higher-generation children) within each of four major U.S. racial/ethnic groups. In the third-plus generation, black and Hispanic children have higher rates of nearly all conditions. Health care, socioeconomic status, parents’ health, social support, and neighborhood conditions influence child health and help explain third-and-higher-generation racial/ethnic disparities. However, these factors do not explain the generational pattern. The generational pattern may reflect cohort changes, selective ethnic attrition, unhealthy assimilation, or changing responses to survey questions among immigrant groups.assimilation, child health, disparities, immigration, race/ethnicity

    DACA Associated with Improved Birth Outcomes Among Mexican-Immigrant Mothers

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    The 2012 Deferred Action for Childhood Arrivals (DACA) program granted work authorization and protection from deportation to more than 800,000 young undocumented immigrants who arrived to the United States as minors. In a recent study, we investigated the association between this expansion of legal rights and birth outcomes among 72,613 singleton births to high school-educated Mexican-immigrant women in the United States from June 2010 to May 2014 using birth records data from the National Center for Health Statistics. We found that DACA was associated with improvements in the rates of low birth weight and very low birth weight, birth weight in grams, and gestational age among infants born to Mexican-immigrant mothers. Policymakers should consider this evidence of DACA's direct and intergenerational health benefits in future reforms of immigration legislation

    Posttraumatic stress disorder and depression in combat veterans within group based exposure therapy treatment : a correlation between grief and guilt? : a project based upon an investigation at Atlanta Veterans Administration Medical Center, Atlantic, Ga.

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    This study examines the potential multifaceted relationship between Posttraumatic Stress Disorder (PTSD), grief, guilt and depression. A sample pool of 32 veterans diagnosed with chronic PTSD volunteered as participants for this study by completing the Posttraumatic stress disorder checklist (PCL), the Beck Inventory for Depression (BDI), the Prolonged Grief Diagnostic tool, and the Traumatic Related Guilt Inventory (TRGI), pre- and post- group based exposure therapy treatment (GBET). Participants for this study were all male veterans, who ranged in ages from 47-64 years old. Twenty of the participants were African American/Black; 11 participants were Caucasian/White; and one participant identified as other. A paired t-test was run and a paired correlation test was run to determine the change in PTSD, depression, grief and guilt symptoms pre- and post- GBET to determine if there was a significant relationship (positive or negative) between, PTSD and guilt, PTSD and grief, grief and guilt, depression and guilt and depression and grief. Findings showed that all symptoms decreased after four months of GBET treatment and a relationship was strong between grief and guilt post treatment. A relationship was moderate between grief and depression post treatment and guilt and depression post treatment

    Views of the Highway: Infrastructure Reality, Perceptions, and Politics

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    Transportation infrastructure such as highways and bridges requires upgrades and maintenance. In many U.S. regions, these requirements have surpassed current funding, so new solutions are needed. One obvious though imperfect source is gasoline taxes, but raising these is politically risky, regardless of need. To illuminate this conflict, we analyze data from four random-sample telephone surveys (2016–2018, n = 2,035) that asked residents in the U.S. state of New Hampshire about their perceptions of highway and bridge conditions, and support for gas tax increases. About one third of the respondents counterfactually reported that highway and bridge conditions had improved compared with 10 or 20 years ago. At the county level, subjective perceptions correlate well with actual pavement and bridge conditions. Majorities of respondents also said they would support tax increases of 5 of 10 cents, although support falls off at higher amounts. Support for a tax increase varies not only with the proposed amount, but also with individual characteristics—especially political identity. In a structural equation model, infrastructure perceptions serve as an intervening variable between ideology and tax support: if infrastructure is falsely seen as improving, that supports an ideologically favored rejection of taxes. Partisan differences in perceptions of physical conditions, noted previously in other domains such as climate change, pose an unexpected challenge in building public support for transportation infrastructure

    Rootless tephra stratigraphy and emplacement processes

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    Volcanic rootless cones are the products of thermohydraulic explosions involving rapid heat transfer from active lava (fuel) to external sources of water (coolant). Rootless eruptions are attributed to molten fuel–coolant interactions (MFCIs), but previous studies have not performed systematic investigations of rootless tephrostratigraphy and grain-size distributions to establish a baseline for evaluating relationships between environmental factors, MFCI efficiency, fragmentation, and patterns of tephra dispersal. This study examines a 13.55-m-thick vertical section through an archetypal rootless tephra sequence, which includes a rhythmic succession of 28 bed pairs. Each bed pair is interpreted to be the result of a discrete explosion cycle, with fine-grained basal material emplaced dominantly as tephra fall during an energetic opening phase, followed by the deposition of coarser-grained material mainly as ballistic ejecta during a weaker coda phase. Nine additional layers are interleaved throughout the stratigraphy and are interpreted to be dilute pyroclastic density current (PDC) deposits. Overall, the stratigraphy divides into four units: unit 1 contains the largest number of sediment-rich PDC deposits, units 2 and 3 are dominated by a rhythmic succession of bed pairs, and unit 4 includes welded layers. This pattern is consistent with a general decrease in MFCI efficiency due to the depletion of locally available coolant (i.e., groundwater or wet sediments). Changing conduit/vent geometries, mixing conditions, coolant and melt temperatures, and/or coolant impurities may also have affected MFCI efficiency, but the rhythmic nature of the bed pairs implies a periodic explosion process, which can be explained by temporary increases in the water-to-lava mass ratio during cycles of groundwater recharge.We acknowledge financial support from the National Science Foundation (NSF) grant EAR-119648, National Aeronautics and Space Administration (NASA) Mars Data Analysis Program (MDAP) grant NNG05GQ39G, NASA Mars Fundamental Research Program (MFRP) grant NNG05GM08G, NASA Postdoctoral Program (NPP), Geological Society of America (GSA), and Icelandic Centre for Research (RANNÍS). We are grateful to Stephen Scheidt for his help developing photogrammetric reconstructions of Cone 53 and we thank Richard Brown for his editorial handing of this manuscript as well as Peter Reynolds and Adrian Pittari for their constructive reviews.Peer Reviewe
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