A dialectic perspective on the interactive relationship between social media and civic participation: the moderating role of social capital

By analyzing representative national survey data, this study explores the ways in which social media and social capital jointly affect civic participation. In particular, the study examines how the use of social media to express opinions or acquire trusted information influence citizens participatory activities in civic affairs. Our findings suggest that both social media use and social capital promote civic activities. Interestingly, this study reveals that social media exert differential effects on civic participation, depending on the individual's level of social capital, rather than having an equal impact on civic participation. The study offers a new perspective from which to examine the relationships between social media, social capital, and civic participation. The results and implications are discussed in detail below.     

Use of the International Prostate Symptom Score (IPSS) in Chinese male patients with benign prostatic hyperplasia

Purpose: To test the psychometric properties of the International Prostate Symptom Score (Hong Kong Chinese version 2) (IPSS) in Chinese male patients with benign prostatic hyperplasia (BPH) under secondary care.

Methods: A prospective longitudinal study was done by interviewing subjects at baseline, at 2 week after baseline for assessing test–retest reliability and at 26 week after baseline for assessing responsiveness. All subjects were interviewed to complete a structured questionnaire including IPSS, Short Form-12 Health Survey version 2 (SF-12v2) and Depression Anxiety Stress Scale (DASS).

Results: The IPSS HRQOL score had weak correlations with SF-12v2 summary and DASS domain scores. For reliability analysis, Cronbach’s alpha coefficient was 0.90 for the seven symptom-related items. The intraclass correlation coefficients of the IPSS total symptom score and HRQOL score were 0.90 and 0.86, respectively. For sensitivity, statistically significant differences were detected between the subjects with BPH and those without for IPSS total symptom score (effect size?=?0.68) but not the IPSS HRQOL score. The areas under ROC curves for the IPSS total symptom and HRQOL scores were 0.67 and 0.60, respectively.

Conclusions: The IPSS was valid, reliable instrument in Chinese patients with BPH. The IPSS total symptom score, but not the HRQOL score, is sensitive in differentiating subgroups.     

Associations Between Toddlers' Naturalistic Media Experience and Observed Learning from Screens

Using secondary analysis, researchers examined associations between two‐year‐olds' (N = 135) naturalistic use of interactive and noninteractive media with performance on a screen‐based learning task. Parents reported the number of minutes that children spent the previous day doing nine media‐related activities (e.g., watching television, playing handheld videogames). The object‐retrieval task required children to watch a hiding event on video and then search for the object on another screen or a real felt board. Results indicated that toddlers' naturalistic experience with interactive (but not noninteractive) media predicted their screen‐based learning in the laboratory. This was true regardless of whether children were tested using interactive or noninteractive video, suggesting that using interactive media (but not watching noninteractive video) is associated with children's learning from screen media generally.     

Study of musculoskeletal risks of the office-based surgeries

Due to the cost and time benefits associated with patients and physicians, outpatient surgeries continue to become more and more popular over time. With the increase in the number of office-based surgical procedures, the prevalence of work-related musculoskeletal disorders (WMSDs) associated with office-based surgeries has been reported. The purpose of this pilot study is to ergonomically evaluate the risk of work-related musculoskeletal disorders of physicians/surgeons performing office-based surgery (OBS). Ergonomic assessment tools included Questionnaire, the BodyMap and the Rapid Upper Limb Assessment for measuring potential ergonomic concerns. The findings have shown that the ergonomic issues of greatest concerns were the discomforts in the neck, shoulders, arms/wrists, and back. Some additional comments were provided by the participants regarding the duration of discomfort or clarification on the frequency of their body discomfort. This study suggests that there is a considerable risk of musculoskeletal injuries of physicians/surgeons performing the OBS tasks. By properly using the ergonomic assessment techniques, valuable information on ergonomic OBS workplace design and selection could assist in the early interventions of WMSD prevention.     

Review of research on victims' experiences in restorative justice: Implications for youth justice

Despite claims that restorative justice is “victim centered,” and deliberately focused on healing harms to victims, some studies report that particular applications of restorative justice may not be fully consistent with its fundamental principles and values. Under such circumstances these programs may focus on outcomes (e.g., rehabilitation of youthful offenders) rather than process, and in doing so, may fail to identify and respond effectively to victims' needs. To take a closer look at this phenomenon, this article examines a sample of published restorative justice studies that highlight ‘negative’ experiences of victims. Given a number of studies that indicate victims typically have satisfying experiences in restorative justice practices such reports of negative experiences and practices should be viewed as ‘outliers.’ However, such outliers may provide substantively meaningful insights that inform best practice standard for restorative justice. Implications are drawn for the use of restorative justice practices for youth justice.     

Mandated RFID and Institutional Responses: Cases of Decentralized Business Units

Using a theory‐building approach based on case studies, this research explores the responses of four decentralized business units to institutional pressure to adopt Radiofrequency Identification (RFID) technology. The institutional pressure emanates from the Department of Defense, and the affected decentralized business units operate in a large defense contractor. Institutional theory explains how organizations respond to external pressures to adopt new procedures, policies, and technologies. The case studies show how business units vary in their response to the RFID mandate and how different internal dynamics manifest. The responses range from complying faithfully, primarily concerned with satisfying the external constituent, to completely ignoring the mandate and focusing on internal efficiency initiative utilizing RFID. A number of propositions are developed to better understand the organizational responses to exogenous pressure to implement RFID. The paper concludes by proposing future research directions and issues that must be considered further.     

Cheong: The Socioemotional Grammar of Koreans

Based on the replies of 36 Korean university students, we analyzed the structural properties that underpin the culture-bound concept of Cheong. Cheong embodies the emotional links among individuals connected to each other by feelings of we-ness and exhibiting the humanistic side of their selves. It is concluded that Western models of the nature of persons and of social relationships are insufficient to account for the socioemotional characteristics of Koreans.     

Geometry of the log-likelihood ratio statistic in misspecified models

We show that the asymptotic mean of the log-likelihood ratio in a misspecified model is a differential geometric quantity that is related to the exponential curvature of Efron (1978), Amari (1982), and the preferred point geometry of [Critchley et al., 1993] and [Critchley et al., 1994]. The mean is invariant with respect to reparameterization, which leads to the differential geometrical approach where coordinate-system invariant quantities like statistical curvatures play an important role. When models are misspecified, the likelihood ratios do not have the chi-squared asymptotic limit, and the asymptotic mean of the likelihood ratio depends on two geometric factors, the departure of models from exponential families (i.e. the exponential curvature) and the departure of embedding spaces from being totally flat in the sense of Critchley et al. (1994). As a special case, the mean becomes the mean of the usual chi-squared limit (i.e. the half of the degrees of freedom) when these two curvatures vanish. The effect of curvatures is shown in the non-nested hypothesis testing approach of Vuong (1989), and we correct the numerator of the test statistic with an estimated asymptotic mean of the log-likelihood ratio to improve the asymptotic approximation to the sampling distribution of the test statistic.     

Channel coordination in supply chains with agents having mean-variance objectives

This paper investigates the issues of channel coordination in a supply chain when the individual supply chain decision makers take mean-variance (MV) objectives. We propose an MV formulation to capture the risk preference of each individual supply chain agent. Through the studies of a wholesale pricing policy, we find that the incorporation of risk concerns into the setting of supply chain coordinating policy is very important because it can substantially affect the achievability of channel coordination. It is also interesting to find that channel coordination depends on how big the net difference between the risk preferences of the supply chain coordinator and the retailer is. Thus, a slightly risk averse supply chain coordinator can successfully coordinate with a slightly risk prone retailer but not a very risk averse retailer. Numerical analyses are included and managerial insights are developed.     

Perceived media bias and third person effect: Comparisons of Americans,Korean Americans,and Koreans in the United States

The current study examined the third person effect (TPE) in relation to media coverage of the shooting incident at Virginia Polytechnic Institute and State University (i.e., Virginia Tech.) in April of 2007. TPE refers to tendency to perceive that media coverage influences others (i.e., the third persons) to a greater extent than self (i.e., the first person). Three groups (non-Korean Americans, Korean Americans, and Koreans living in the United States) were compared with one another for their perceptions of media coverage. Specifically, this study investigated how much individuals perceived media to influence themselves versus the American public and the Korean American public. Additionally, the current study examined the extent to which individuals’ focus on the shooter and their perceptions of media bias were related to TPE. The results showed support for TPE in terms of media coverage resulting in negative feelings toward Korean Americans and Koreans. As individuals focused more on the shooter and also perceived greater media bias against Korean Americans, they thought that the media coverage of the incident would be more likely to influence the American public to have negative feelings about Koreans and Korean Americans.