A Longitudinal Model of Perspective Making and Perspective Taking Within Fluid Online Collectives

Although considerable research has investigated perspective making and perspective taking processes in existing communities of practice, little research has explored how these processes are manifest in fluid online collectives. Fluid collectives do not share common emotional bonds, shared languages, mental models, or clearly defined boundaries that are common in communities of practices and that aid in the perspective development process. This paper conducts a retrospective case study of a revelatory online collective – the autism article on Wikipedia – to explore how the collective develops a perspective over time with a fluid group of diverse participants surrounding a highly contentious issue. We find that the collective develops a perspective over time through three archetypical challenges – chaotic perspective taking, perspective shaping, and perspective defending. Using this data, we develop a longitudinal model of perspective development. The theoretical implications are discussed and a set of propositions are developed for testing in more generalized settings

Bim as an enabler for digital transformation

Organisations all over the world are increasingly becoming digitally enabled, including infrastructure providers and are looking to use this new found a digital way of working to transform the organisation into a more lean, efficient and productive organisation. Digital transformation is not exclusively about digital technology but the fact that technology, which is digital, will enable the organisation to create greater informed decisions around there current and future challenges, objectives and strategy. While many organisations are currently going through a digital transformation process, there are challenges in demonstrating the value of such a transformation process to the broader organisation. This is partly due to the fact that for digital transformation to be successful it must encompass all of the organisation, including traditional business processes and functions that are not prone to change. Furthermore, it can be witnessed that digital transformation is not purely a technical solution but is also an organisational cultural change, one that allows for an agile approach to working and one that acknowledges failure in a positive perspective. A framework is proposed in this paper that utilises the BIM information management processes and adopts them into a digital transformation process. The framework aims to not look at BIM within individual lifecycle stages, but the full adoption of BIM between all the lifecycles stages. Furthermore, it will support the full organisational adoption of BIM within all organisational functions such as risk management, customer reengagement, fiscal management, resource management, ETC. finally, the framework will enable the culture to change requirements by providing a collaborative and transparent environment to digital transformation

Integrable impurity in the supersymmetric t-J model

An impurity coupling to both spin and charge degrees of freedom is added to a periodic t-J chain such that its interaction with the bulk can be varied continuously without losing integrability. Ground state properties, impurity contributions to the susceptibilities and low temperature specific heat are studied as well as transport properties. The impurity phase--shifts are calculated to establish the existence of an impurity bound state in the holon sector.Comment: RevTeX+epsf macros, 4pp. including 4 figure

"It doesn't do any harm, but patients feel better": a qualitative exploratory study on gastroenterologists' perspectives on the role of antidepressants in inflammatory bowel disease

Background: Interest in psychological factors in patients with inflammatory bowel disease (IBD) has increased in recent years. It has even been proposed that treating psychological co-morbidities with antidepressants may control disease activity and improve quality of life. Despite this, there is no data on gastroenterologists' attitudes to, and experiences with, antidepressant therapy in patients with IBD. Methods: We conducted semi-structured interviews with 18 gastroenterologists associated with metropolitan teaching hospitals. Qualitative content analysis was used to examine their responses. Results: Seventy-eight percent of gastroenterologists had treated IBD patients with antidepressants for pain, depression and/or anxiety, and insomnia. Antidepressants were reported to be useful in improving psychosocial well-being, quality of life, and self-management of the disease by patients. However, in this group of gastroenterologists, there appears to be skepticism towards psychological disorders themselves or antidepressant therapy having a central role in either the causation of IBD or its clinical course. Nevertheless, these gastroenterologists were receptive to the idea of conducting a trial of the role of antidepressants in IBD. Conclusion: While the majority of specialists have treated IBD patients with antidepressants, there is considerable skepticism with regard to efficacy of antidepressive therapy or the role of psychological factors in the outcome of IBD patients.Antonina A Mikocka-Walus, Deborah A Turnbull, Nicole T Moulding, Ian G Wilson, Jane M Andrews and Gerald J Holtman

Mobility, risk behavior and HIV/STI rates among female sex workers in Kaiyuan City, Yunnan Province, China

<p>Abstract</p> <p>Background</p> <p>The mobility of female sex workers (FSWs) is a factor in the geographic spread of human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs). This study describes FSW mobility patterns in a high risk area of China to identify factors associated with increased mobility, and to study the incidence and prevalence of HIV/STIs in this group.</p> <p>Methods</p> <p>270 FSWs recruited from a baseline cross-sectional study were invited to participate in a one-year monthly follow-up cohort study in Kaiyuan City, Yunnan Province, China from 2006 to 2007. Laboratory tests were conducted for HIV/STIs at baseline, 6 and 12 months.</p> <p>Results</p> <p>A total of 117 (43.3%) FSWs moved to another city during the year. Risk factors for increased mobility included being from another city within Yunnan (adjusted hazard ratio [AHR] 1.67, 95% confidence interval [CI] 1.09-2.56), being from outside Yunnan (AHR 1.58, 95% CI 1.04-2.54), and working in lower risk entertainment establishments (AHR 1.55, 95% CI 1.03-2.35). HIV-positive subjects, drug users and FSWs in higher risk venue were less likely to change residence, less likely to use condoms with clients, and earned less per client, but had more working locations and more clients each month.</p> <p>Conclusions</p> <p>The least mobile FSWs were from Kaiyuan, worked in higher risk venues, were more likely to use drugs and be HIV-infected. Because FSWs characteristics differ according to the venue at which they work, future prevention work should tailor programs according to venue with a particular focus on FSWs in higher risk venues.</p