As part of his program to unify linear algebra and geometry using the language of Clifford algebra, David Hestenes has constructed a (well-known) isomorphism between the conformal group and the orthogonal group of a space two dimensions higher, thus obtaining homogeneous coordinates for conformal geometry.(1) In this paper we show that this construction is the Clifford algebra analogue of a hyperbolic model of Euclidean geometry that has actually been known since Bolyai, Lobachevsky, and Gauss, and we explore its wider invariant (...) theoretic implications. In particular, we show that the Euclidean distance function has a very simple representation in this model, as demonstrated by J. J. Seidel.(18). (shrink)

ABSTRACT This essay suggests that we should understand the varieties of “popular science” as part of a larger phenomenon: the changing set of processes, practices, and actors that generate and transform public knowledge across time, space, and cultures. With such a reconceptualization we can both de‐essentialize and historicize the idea of “popularization,” free it from normative notions, and move beyond existing imbalances in scholarship. The history of public knowledge might thus find a central place in many fundamental narratives of the (...) modern world. More specifically, the essay proposes that we pay more attention to forms of knowledge outside the realm of “science,” embrace the richness, traffic, and transfer of public knowledge on a transnational scale as well as in comparative perspective, and rethink conventional forms of periodization. (shrink)

This third volume of the Amsterdam edition of the apologias contains the critical edition of the Latin text of the apologia against Jacques Lefèvre d’Etaples.

This article investigates why Humboldtian Science, as a heuristic concept, has gained prominence in the historiography of science and requires clarification. It offers an ideal-type model of comparative research and exact measurements across vast spaces, which Susan F. Cannon and others tied to Alexander von Humboldt (1769–1859). Yet, he himself was less “Humboldtian” than this concept suggests. The article proposes to disentangle Humboldtian Science from Humboldt’s science, which constituted a set of individual research practices that defied the ideal of precision. (...) Humboldt’s science was often impromptu, marked by epistemological and personal insecurities, and embedded in the protagonist’s peripatetic way of living and frequently erratic writing style. Historicizing Humboldt’s science undermines the exceptionalism that elevates the Prussian savant above his contemporaries and casts him as a singular figure. This critical reflection encourages biographical approaches to the history of science, balancing heuristic generalizations and attention to individual research styles. (shrink)

What is the responsibility of multinational enterprises in international value chain networks in countries with inadequate institutions? In this article, we present an ethical framework that allows for evaluation of institutions at the macro, mezzo, and micro levels. This framework is used to analyze the case of Telenor in Bangladesh. Telenor is a telecommunications company based in Norway. It is the majority owner (62%) in Grameenphone in Bangladesh. The minority owner is Grameen Telecom, which is part of the Grameen group (...) created by the pioneer of micro finance, Nobel Prize winner Dr. Mohammad Yunus. The case of Telenor in Bangladesh is one of many examples of international value chain networks that span different jurisdictions. The case focuses on relevant issues in the value chain networks: the institutions in Norway and Bangladesh, the owners, suppliers, and customers. We highlight the responses made by the major actors in the value chain, and conclude the article by analyzing the responsibility, or "ability to respond" of these major actors. (shrink)

Alexander von Humboldt: Counternarrative of a dissenter? Content Type Journal Article DOI 10.1007/s11016-010-9514-0 Authors Andreas W. Daum, History Department, 570 Park Hall, State University of New York at Buffalo, Buffalo, NY 14260, USA Journal Metascience Online ISSN 1467-9981 Print ISSN 0815-0796.

Introduction: Placebo and nocebo effects are positive and negative health outcomes that can be elicited by the psychosocial context. They can be mediated by expectations, and may emerge in somatic symptoms even when people are aware of these effects. Interindividual differences could impact placebo and nocebo responding, but findings are inconsistent.Methods: The current work examined expectation as a mediator of the association between verbal placebo and nocebo suggestions and histamine-induced itch across three experimental studies. Moreover, we examined whether interindividual differences, (...) body ignorance) modulated: the direct association between VSs and itch, and the indirect, expectation-mediated association between VSs and itch. Positive VSs were compared to neutral instructions or negative VSs in an open-label or closed-label context using PROCESS. First, mediation of VSs effects on itch by expectations was tested. Next, moderation by individual traits was explored using conditional process analyses.Results: The effects of VSs on itch were significantly mediated by expectation in Study 1 and in the open-label contexts of Studies 2 and 3. Ignorance of bodily signals marginally moderated the direct effects of VSs on itch when closed-label suggestions were given: at low levels of body ignorance, effects of positive and negative VSs were stronger. Moreover, moderated mediation was observed in the open-label groups of Studies 2 and 3: The expectation-mediated effects of VSs on itch were stronger when BAS drive was lower.Conclusion: Overall, the effects of VSs on itch were mediated by expectations in the open-label, but not the closed-label context. Moreover, the current work suggests that placebo and nocebo effects may be moderated by ignorance of bodily signals and the BAS. There was limited evidence that other interindividual differences modulated placebo and nocebo responding in itch. (shrink)

This paper contributes to the (re-)conceptualisation of responsible innovation by proposing an evolutionary economic approach that focuses on the role of consumers in the innovation process. After a discussion of the philosophical foundations and ethical implications of this approach, which bears an explanatory potential that has not been adequately considered in previous discussions of responsible innovation, we present a first step towards capturing the important but often neglected role of consumers in innovation processes (including responsible innovation): We propose an agent-based (...) model that incorporates a multidimensional space of characteristics in which new products or services are represented by more than the mere aspect of price and quality. Instead, innovations are denoted by a large set of characteristics, including also negative or harmful ones. The model is used to illustrate that consumers’ heterogeneity and bounded rationality – even if considered in a simple manner – indeed play a crucial role in the creation and diffusion of responsible innovation which can and should be used for further work in this field and for possible extensions of the model. (shrink)

Background: As a non–European Union member state, Albania is increasingly orienting itself on Western models regarding human rights, patient rights, and legal regulations for healthcare. Due to its limited fiscal and legal power, enforcing legal and ethical regulations poses a major problem. Aim: The aim of this study is to investigate nurse’s knowledge and experiences regarding ethical and legal issues in Albanian elder care in state-funded and privately run institutions. Research design: The study was conducted using an inductive and qualitative (...) design, utilizing a focused ethnographic approach, based on Roper and Shapira’s framework. Method: Data were collected between June 2017 and September 2018 using participant observation, field notes, and semi-structured interviews with 15 nurses in seven different elder care institutions. In total, 100 h of observation and 15 interviews were performed. Data analysis was based on Mayring’s qualitative content analysis. Ethical consideration: The approval for the study was obtained from UMIT—The Health and Life Sciences University, Austria. Findings: The findings of the study fell into the following main categories: “Everyday care issues,” “End-of-life issues,” “Legal issues,” and “Ethical-legal education and conflicts.” Discussion: The participants reported many ethical and legal issues when describing their everyday challenges and displayed a strong lack of ethical and legal education. Despite a wide spectrum in the quality of care between private and state-funded nursing homes, older people mostly do not know their own diagnosis. Conclusion: This study indicates that further ethical and legal education is needed. Furthermore, nurses need to be better prepared for ethical conflicts with families, as strengthening patient rights could come into conflict with traditional rights of the Albanian family. (shrink)

Recent research put forward the hypothesis that eye movements are integrated in memory representations and are reactivated when later recalled. However, “looking back to nothing” during recall might be a consequence of spatial memory retrieval. Here, we aimed at distinguishing between the effect of spatial and oculomotor information on perceptual memory. Participants’ task was to judge whether a morph looked rather like the first or second previously presented face. Crucially, faces and morphs were presented in a way that the morph (...) reactivated oculomotor and/or spatial information associated with one of the previously encoded faces. Perceptual face memory was largely influenced by these manipulations. We considered a simple computational model with an excellent match that expresses these biases as a linear combination of recency, saccade, and location. Surprisingly, saccades did not play a role. The results suggest that spatial and temporal rather than oculomotor information biases perceptual face memory. (shrink)

Whilst the academic literature on leadership has identified authenticity as an important leadership attribute, few studies have examined how authentic leadership is evaluated in naturally occurring discourse. This article explores how authentic leadership was characterised and evaluated in the discourse of the British press during the 2015 Labour Party leadership election—won, against the odds, by veteran left-winger Jeremy Corbyn. Using membership categorisation analysis, we show that the media discourse about authentic leadership was both ambiguous and ambivalent. In their representation of (...) authentic leadership, we found that a discourse of ‘ethical’ leadership was played out in tension with a discourse of ‘effective’ leadership. We propose that this complex and contradictory discursive landscape is also relevant in business contexts where ‘ethical’ leaders are subjected to praise for their virtues but also criticism for their ineffectiveness. Future research could usefully study how ‘ethical’ leaders in different settings can be subject to competing evaluations when their ethical values are discursively contrasted to expectations concerning what it takes to be an ‘effective’ leader. (shrink)

The growth of high-stakes testing in state accountability systems necessitates further examination of their impact on stakeholders. Prompted by broader state-level reform in Kentucky, this evaluation aims to provide insight into a new accountability system's effect on social studies teachers. Using a goal-free evaluation model and case study design, the researchers examined the content and instructional decisions made by a group of U.S. history teachers in response to a new end-of-course exam designed by ACT-QualityCore. The evaluation incorporated a content analysis (...) of teacher materials, observation of a professional learning community meeting, and teacher interviews. The results of this evaluation indicate that teachers generally support the changes in the new assessment system but find specific elements frustrating and hesitate to completely revamp their instructional practices. Considering these assessment system changes occurred to advance Kentucky's goal of college and career readiness for all, this evaluation provides insight into what is actually happening in classrooms and should assist teachers and administrators as they assess the impact of these reforms on classroom practice. (shrink)

Ein sicheres Kriterium für den menschlichen Tod gibt es nicht. Die neu entfachte Diskussion über den Hirntod zeigt, dass allein aus einem medizinisch-naturwissenschaftlichen Verständnis heraus keine angemessene Bestimmung des Todes zu gewinnen ist. Die Beiträge des Bandes verdeutlichen: Um den Tod begrifflich angemessen zu fassen, muss die personale Dimension des menschlichen Lebens berücksichtigt werden.

Wilson et al. focus on one class of AGL tasks: the cognitively demanding task of detecting non‐adjacent dependencies (NADs) among items. They provide a typology of the different types of NADs in natural languages and in AGL tasks. A range of cues affect NAD learning, ranging from the variability and number of intervening elements to the presence of shared prosodic cues between the dependent items. These cues, important for humans to discover non‐adjacent dependencies, are also found to facilitate NAD learning (...) in several nonhuman animal species. (shrink)

ABSTRACTPrior research on attention bias in anxious youth, often utilising a visual dot probe task, has yielded inconsistent findings, which may be due to how bias is assessed and/or variability in the phenomenon. The present study utilises eye gaze tracking to assess attention bias in socially anxious adolescents, and explores several methodological and within-subject factors that may contribute to variability in attention bias. Attention bias to threat was measured in forty-two treatment-seeking adolescents diagnosed with Social Anxiety Disorder. Bias scores toward (...) emotional stimuli and bias scores away from emotional stimuli were explored. Bias scores changed between vigilance and avoidance within individuals and over the course of stimulus presentation. These differences were not associated with participant characteristics nor with self-reported social anxiety symptoms. However, clinician rated severity of social anxiety, explained a signific... (shrink)

Despite arguments that successful inquiry hinges on an engaging question, relatively little attention has been paid to how teachers craft such questions. This study examined how six high school civics teachers defined and developed compelling questions and evaluated the potential of compelling questions to influence curriculum and instruction. This study used qualitative research methods and generated data through interviews, verbal reports, and content analysis of teacher-completed materials. Findings suggest that teachers are hopeful that compelling questions will prompt challenging instruction that (...) is more relevant to students, but they also acknowledge the various barriers that may temper the impact. Situated within the context of Kentucky's revised social studies standards document, this study provides valuable insight into the potential of a standards document to influence teachers’ understanding and use of inquiry and inquiry questions. (shrink)

Wilson et al. focus on one class of AGL tasks: the cognitively demanding task of detecting non‐adjacent dependencies (NADs) among items. They provide a typology of the different types of NADs in natural languages and in AGL tasks. A range of cues affect NAD learning, ranging from the variability and number of intervening elements to the presence of shared prosodic cues between the dependent items. These cues, important for humans to discover non‐adjacent dependencies, are also found to facilitate NAD learning (...) in several nonhuman animal species. (shrink)

Aboriginal Australians have an intrinsic relationship to Country, kinship and community. The processes related to colonisation have decimated traditional lifestyles, ecology and even families. The challenge for energy engineers lies in the ability to reconcile the profession of engineering with the contemporary and traditional cultural and physical needs of Aboriginal people. A discussion around Aboriginal peoples’ most deeply held values will be linked to both global and professional ethical canons. This discussion has implications for Aboriginal and Indigenous peoples globally. A (...) fictitious case study—the ‘Warrigal Downs Energy Hub’—provides us with a hypothetical project to which we can link both examples and frameworks. Our team of Aboriginal and non-Aboriginal educators and engineers provides us with a right, wrong and even better way to work sensitively, meaningfully and reciprocally with Aboriginal people in Australia and, indeed, globally. (shrink)

Clinical trials for acute conditions such as myocardial infarction and stroke pose challenges related to informed consent due to time limitations, stress, and severe illness. Consent processes shou...