The self-avoiding walk is a classical model in statistical mechanics, probability theory and mathematical physics. It is also a simple model of polymer entropy which is useful in modelling phase behaviour in polymers. This monograph provides an authoritative examination of interacting self-avoiding walks, presenting aspects of the thermodynamic limit, phase behaviour, scaling and critical exponents for lattice polygons, lattice animals and surfaces. It also includes a comprehensive account of constructive methods in models of adsorbing, collapsing, and pulled walks, animals and (...) networks, and for models of walks in confined geometries. Additional topics include scaling, knotting in lattice polygons, generating function methods for directed models of walks and polygons, and an introduction to the Edwards model.This essential second edition includes recent breakthroughs in the field, as well as maintaining the older but still relevant topics. New chapters include an expanded presentation of directed models, an exploration of methods and results for the hexagonal lattice, and a chapter devoted to the Monte Carlo methods. (shrink)

Several important ethical dilemmas emerge when nurses join a public-sector strike. Such industrial action is commonplace in South Africa and was most notably illustrated by a national wage negotiation in 2010. Media coverage of the proceedings suggested unethical behaviour on the part of nurses, and further exploration is merited. Laws, policies and provisional codes are meant to guide nurses’ behaviour during industrial action, while ethical theories can be used to further illuminate the role of nurses in industrial action. There are, (...) however, important aspects to consider before judging whether nurses act unethically when striking. Following Loewy’s suggestion that the nature of the work, the proceeding commitment of the nurse to the patient, the prevailing situation when the strike is planned and the person(s) who stand(s) to benefit from the strike be considered, coupled with a consideration of the South African historical socio-political context, important aspects of the ethics of nurses’ behaviour in industrial action transpire. (shrink)

Approximately one in three adults has reported being abused or neglected by a caregiver during their childhood (i.e., they have experienced child maltreatment), though the exact prevalence differs...

This article was motivated by the need to academically frame and share the response of the North-West University to the perceived increase of academic dishonesty during Covid-19. Within the ambit of the online teaching and learning approach that became dominant during the Covid-19 pandemic, the NWU established a Community of Practice for Academic Integrity to enhance Academic Integrity in a holistic manner. By critically discussing the NWU’s response through their CoPAI, the lessons learned, and strategies developed in the process, the (...) NWU can hopefully assist other Higher Education institutes to progressively enhance AI in the future. This is important, because many contextual shifts in teaching and learning approaches, pedagogy, assessment, and the application of technology, that were enforced in an online mode of delivery during the pandemic, will prevail in future.In writing this article, we focused on contextualising the NWU CoPAI within current literature on community of practice and Academic integrity and emphasising the unique strategy and holistic nature of this CoPAI. The establishment of the CoPAI is discussed within the appreciative inquiry as methodological framework. This methodology is commonly used by CoPs, but it is particularly relevant to the CoPAI since CoPAI sought answers to all the AI questions that presented itself due to disruptions in the higher education landscape. The appreciative inquiry method allowed for the opportunity to find some answers in a holistic manner. Some of these answers or insights gained through the activities of CoPAI is further discussed in the latter part of the article. In conclusion, some of the outcomes and shortcomings of CoPAI at the NWU are highlighted.The main finding of this article concluded that the establishment of a CoPAI can enhance AI at HE institutions in a holistic manner. The applicability, relevance, and success of this CoPAI was realised through its holistic approach which included the valorisation of institutional aspects, the engagement and empowerment of lecturers, and the engagement and empowerment of students. This novel and unique approach to promote AI in HE could fill the existing knowledge gap in the South African context, where the establishment of a CoPAI, the application of appreciative inquiry as methodology, and the inclusion of a holistic approach are still absent. It might however also be an example for other HE institutions to follow globally. (shrink)

It has been made clear for quite some time that if the Bible has become a classic of Western culture because of its normativity, then the responsibility of the biblical scholar cannot be restricted to giving readers clear access to the original intentions of the biblical writers. It must also include the question: ‘What does a reading of the biblical text do to someone who submits to its world of vision?’ This is a question that has been especially significant in (...) the study of apocalyptic literature, as all apocalypses are hortatory. The implication is that, even in the historical context in which the text was first produced, there is room to consider the earliest stages of audience interaction with the text. Interestingly, most studies making use of this model do not address what the implications of this kind of ‘reading as performance’ might be for today’s reader. This research argued that in the understanding of the biblical text as an oral performance, there is a need to leave room for all that happens to a text after it leaves the author’s hands. The method proposed urged ‘performers’ of texts to pay attention to how they bring themselves to interpretation. More specifically, this method aimed to make use of ritual and liturgy as the rhetorical or performative context within which biblical texts functioned and still function. This research thus proposed a liturgical-functional reading reading of biblical texts which integrates affective reading and the deliberate move from cognitive to affective processes. (shrink)

In Ontario, Canada, autism has become widely politicized. In the last 20 years, instances of personal and organizational advocacy developed into wider-scale policy and programs. Government press releases indicate Ontario’s developing response to autism as a social policy issue, while reflecting societal perceptions and priorities surrounding autism. Informed by Critical Disability Studies and Critical Autism Studies, this article uses a content analysis to explore the manifest and latent priorities of Ontario’s provincial government displayed in press releases between 2001-2019 accessed through (...) the Ontario Newsroom, an online repository of press releases and media advisories that features different initiatives published by the government of Ontario. Press releases were selected based on the search term “autism” and analyzed in two steps. First, this article presents the most frequently used words in press release headlines. Second, key themes within press releases are explored. Press releases emphasize the stories of non-autistic people, altruists, positivists, treatment-seekers, autistic children, and normative families. What is left out is a social representation of autism. Prominent themes display ableist perceptions of autism, reproducing power imbalances and inequity based on disability and family status. These findings reveal government objectives and priorities, reflecting broader societal perceptions of autism. (shrink)

The coronavirus disease 2019 (COVID-19) pandemic has again confirmed our obsession with, and misuse of, the Book of Revelation. Of course, this is definitely not the first time that Revelation’s themes and imagery have been pulled out and used to try and explain the current situation. In fact, the Book of Revelation is well-known as ‘the’ book of the New Testament where information about the present as well as the future can be found. Unfortunately, in situations like these, people simply (...) do not bother to draw from the reservoir of experiences on which the author of Revelation naturally expected his hearer or reader to draw. This phenomenon is made worse by the fact that the primary study of the text has moved into the academic institution and, by inference, away from the faith movement. This may make earnest scholarly biblical study of the Apocalypse seem irrelevant to the general concerns of the faith community and the world. But the Book of Revelation does provide an indispensable resource for helping Christians conceive of their place in the contemporary world and meditate on the role the church is to play in a modern, secular society. John’s Apocalypse is not a mere nostalgic trip down memory lane; it is a form of anamnesis or recollection – in recalling or performing the narrative, the past is made physically present. By way of a performative reading of the Book of Revelation, this article makes use of a more practical exegetical dimension. Contribution: This method brings the Apocalypse as New Testament text back into the life of the community of faith it belongs to and should be performed in, thus also increasing the usage and impact of the Book of Revelation in the faith community. (shrink)

We propose a new approach for tracing value change. Value change may lead to a mismatch between current value priorities in society and the values for which technologies were designed in the past, such as energy technologies based on fossil fuels, which were developed when sustainability was not considered a very important value. Better anticipating value change is essential to avoid a lack of social acceptance and moral acceptability of technologies. While value change can be studied historically and qualitatively, we (...) propose a more quantitative approach that uses large text corpora. It uses probabilistic topic models, which allow us to trace values that are latent. We demonstrate the approach for five types of value change in technology. Our approach is useful for testing hypotheses about value change, such as verifying whether value change has occurred and identifying patterns of value change. The approach can be used to trace value change for various technologies and text corpora, including scientific articles, newspaper articles, and policy documents. (shrink)

The practice of coercive measures in psychiatry is controversial. Although some have suggested that it may be acceptable if patients are a danger to others or to themselves, others committed themselves to eliminate it. Ethical, legal and clinical considerations become more complex when the mental incapacity is temporary and when the coercive measures serve to restore autonomy. We discuss these issues, addressing the conflict between autonomy and beneficence/non-maleficence, human dignity, the experiences of patients and the effects of coercive measures. We (...) argue that an appeal to respect autonomy and/or human dignity cannot be a sufficient reason to reject coercive measures. All together, these ethical aspects can be used both to support and to reject a non-seclusion approach. The total lack of controlled trials about the beneficial effects of coercive measures in different populations however, argues against the use of coercive measures. (shrink)

Literature on Shared Mental Models has been burgeoning in recent years and this has provided increasingly detailed insight and evidence into the importance of SMMs within specific contexts. However, because past research predominantly focused on SMM structure as measured by diverse, context-dependent measures, a consolidated multi-dimensional measure of perceived SMMs that can be used across diverse team contexts is currently lacking. Furthermore, different conceptualizations of the dimensionality of SMMs exist, which further impedes the comparison between studies. These key limitations might (...) hinder future development in the SMM literature. We argue that the field of SMMs has now matured enough that it is possible to take a deductive approach and evaluate the prior studies in order to refine the key SMMs dimensions, operationalizations, and measurement. Hence, we take a three-stage approach to consolidate existing literature scale-based measures of SMMs, using four samples. Ultimately, this leads to a 20-item five-dimensional scale – the Five Factor Perceived Shared Mental Model Scale. Our scale provides scholars with a tool which enables the measurement, and comparison, of SMMs across diverse team contexts. It offers practitioners the option to more straightforwardly assess perceived SMMs in their teams, allowing the identification of challenges in their teams and facilitating the design of appropriate interventions. (shrink)

In meeting the challenges of fashioning a new health care system, South Africa stands poised to contribute to a better future for its own citizens and the subcontinent.