Differences in soil chemical properties with distance to roads and age of development in urban areas

The main objective of this study was to characterize variation in soil chemical properties with length of urbanization period and distance to roads. Urban boundaries from 1920’s (old), 1960’s (middle) and 2000’s (new) were identified for three cities in northeast Ohio: Massillon, Wooster and Canton. Within each identified historic boundary, soil samples were collected from two road-side and two interior lawns in one public school site in each city. Thus, there were three urban age and two distance-to-roads classes. Soil particle composition and basic chemical properties including pH, available phosphorus (P), exchangeable potassium (K), calcium (Ca), magnesium (Mg), cation exchange capacity (CEC), nitrate, total carbon (C), total nitrogen (N), and soil organic matter (SOM) were measured. Two notable spatio-temporal patterns appeared repeatedly in the data set. First, total C, total N and SOM were higher in the soils of old (>50 years) urban sites than of newly developed sites. Similar, but not always significant, trends in soil pH, and exchangeable Ca were also observed. Second, road-side soils had higher pH, Ca, total C and N than interior sites regardless of urban age. These data indicate that key soil chemical properties can vary in predictable ways with urban age and distance-to-roads classes. Such variations in key soil chemical properties may influence or reflect soil biota and biogeochemical processes in urban soils.     

Racial/ethnic segregation and health disparities: Future directions and opportunities

Health researchers have investigated the association between racial segregation and racial health disparities with multilevel approaches. This study systematically reviews these multilevel studies and identifies broad trends and potential directions for future research on racial segregation and health disparities in the US. After searching databases including CINAHL and MEDLINE, we systematically reviewed 66 articles published between 2003 and 2019 and found four major gaps in racial/ethnic segregation and health disparities: (a) the concept of segregation was rarely operationalized at the neighborhood level, (b) except for the evenness and exposure dimension, other dimensions of segregation are overlooked, (c) little attention was paid to the segregation between whites and non‐black minorities, particularly Hispanics and Asians, and (d) mental health outcomes were largely absent. Future directions and opportunities include: First, other segregation dimensions should be explored. Second, the spatial scales for segregation measures should be clarified. Third, the theoretical frameworks for black and non‐black minorities should be tested. Fourth, mental health, substance use, and the use of mental health care should be examined. Fifth, the long‐term health effect of segregation has to be investigated, and finally, other competing explanations for why segregation matters at the neighborhood level should be answered.     

A place to heal: a qualitative focus group study of respite care preferences among individuals experiencing homelessness*

Homeless patients have longer hospital stays than housed persons due, in part, to a lack of safe discharge locations. Respite care for homeless individuals decreases hospital length of stay and readmissions rates. This study aimed to develop client-centered recommendations for medical respite care. We conducted four focus group interviews (n?=?25 participants) between August 2010 and February 2013 of homeless adult residents in Minnesota. Four domains of respite care were identified from content analysis of interviews: physical, relational, facilitation, and amenities. Novel recommendations include (a) a facility equipped to address mental health and substance dependence needs, (b) a standardized training protocol for respite staff, (c) the creation of a patient advocate, and (d) the creation of a respite case manager to facilitate post-discharge instructions and connection to primary care and social services. These new and actionable recommendations could help inform policies and the development of future medical respite care facilities.     

Inference on high-dimensional implicit dynamic models using a guided intermediate resampling filter

Statistics and Computing - We propose a method for inference on moderately high-dimensional, nonlinear, non-Gaussian, partially observed Markov process models for which the transition density is...     

On Fisher’s dispersion test for integer-valued autoregressive Poisson models with applications

The integer-valued autoregressive (INAR) model has been widely used in diverse fields. Since the task of identifying the underlying distribution of time-series models is a crucial step for further inferences, we consider the goodness-of-fit test for the Poisson assumption on first-order INAR models. For a test, we employ Fisher’s dispersion test due to its simplicity and then derive its null limiting distribution. As an illustration, a simulation study and real data analysis are conducted for the counts of coal mining disasters, the monthly crime data set from New South Wales, and the annual numbers of worldwide earthquakes.     

New employee orientation: cases of Korean corporations

Despite its effectiveness in socialization and development, new employee orientation (NEO) as a stand-alone training intervention has rarely been a topic of interest in the academic world. The purpose of this study was to examine the NEO programmes for university graduates in Korean corporations. Through an extensive review of NEO-related materials in 10 large Korean corporations, the designs and contents of Korean NEOs were analysed. As a result, all investigated corporations were found to use most of the institutionalized socialization tactics: formal, collective, fixed, sequential, and serial. The contents of the NEOs mainly focused on the synergism and integration roles. The embedded national culture and organizational contexts in Korean corporations were explored to explain the practices of the NEOs. Implications for HRD practice and research were suggested.     

On the cores of games arising from integer edge covering functions of graphs

In this paper, we study cooperative games arising from integer edge covering problems on graphs. We introduce two games, a rigid k-edge covering game and its relaxed game, as generalizations of a rigid edge covering game and its relaxed game studied by Liu and Fang (2007). Then we give a characterization of the cores of both games, find relationships between them, and give necessary and sufficient conditions for the balancedness of a rigid k-edge covering game and its relaxed game.     

BONDING AND BRIDGING ACTIVITIES OF U.S. PENTECOSTALS

A growing body of literature weighs the influence of religion on civic life. Largely missing from prior analysis is Pentecostals. With novel religious beliefs and practices, Pentecostals might be expected to focus more on in-group bonding activities than out-group bridging activities. We test this expectation using national data from the 2005 Baylor Religion Survey. We contrast three measures of Pentecostalism: denominational affiliation, speaking in tongues at a place of worship, and self-described Pentecostal/charismatic identity. Results affirm high rates of bonding activity (church attendance and other congregation activity) for contemporary Pentecostals. Results for Pentecostal bridging are more complicated. People in Pentecostal denominations and those who speak in tongues participate less in community organizations and politics. However, this is more a function of social class and general conservatism than religious culture or sense of identity. Comparable to other conservative Protestants, the vitality of Pentecostal groups seems no impediment to democratic society.     

Droit aux congés et conciliation entre travail et vie familiale dans les pays développés: pourquoi les travailleurs des Etats‐Unis sont perdants

A partir d'un indice synthétique des dispositions réglementaires sur les congés annuels et familiaux en Europe occidentale, aux Etats‐Unis, au Canada, en Australie, au Japon et en Corée, les auteurs classent ces pays quant au soutien à l'équilibre entre travail et famille. Les Etats‐Unis arrivent derniers: les employeurs ne sont pas tenus d'accorder des congés annuels, et les salariés ne peuvent prendre plus de douze semaines de congés par an pour raisons familiales. Ces normes comparativement basses s'expliqueraient par une conception fondée sur le libre marché et un postulat d'égalité de rapport de forces entre employeur et salarié. Vision qui n'est pleinement partagée par aucune des autres démocraties examinées.