A COMPARISON OF EXPERIMENTAL AND NUMERICAL BEHAVIOUR CHARACTERISTICS OF A SHIP ENTERING A LOCK USING BENCHMARK TEST DATA

This paper discusses several papers that were presented at the 3rd International Conference on Ship Manoeuvring in Shallow and Confined Water, which had a non-exclusive focus on Ship Behaviour in Locks. For this conference, experimental model test data obtained at Flanders Hydraulics Research had been made public and researchers were encouraged to compare numerical with experimental results [1]. Data of benchmark tests carried out both with self- propelled and captive models were used by researchers for comparison with various numerical tools. The objective of this paper is to give a selected overview of how accurately numerical tools are presently able to predict the hydrodynamic forces that occur on ships approaching locks. Based on this, the paper concludes that experiments and numerical tools complement each other.

To Teach or Not to Teach the Five-Paragraph Essay?

While the field of composition might like to believe it has moved on from concern about the five-paragraph essay, the debate is far from over. The five-paragraph essay continues to be taught, and oppositionists continue to rail against it. As long as the five-paragraph essay continues as a common form of writing assessment on standardized exams and as a form commonly taught in schools, it is a form that will likely persist. Instead of calling for the retirement of the five-paragraph essay, practitioners and researchers need to rethink the potential of the five-paragraph essay as a foundational form and to reconsider approaches to teaching it. Some of the problems associated with the five-paragraph essay are likely due to pedagogical decisions, such as an exclusive focus on the five-paragraph essay and not advancing to other forms when students are ready rather the five-paragraph essay form itself. In this paper, I define the five-paragraph essay, outline some of the historical links to the five-paragraph essay, challenge common criticisms of it, and suggest that such essay might be a useful foundational form.

Which representations of their gender group affect men’s orientation towards care? the case of parental leave-taking intentions

Men are currently underrepresented in traditionally female care-oriented (communal) engagement such as taking parental leave, whereas they are overrepresented in traditionally male (agentic) engagement such as breadwinning or leadership. We examined to what extent different prototypical representations of men affect men’s self-reported parental leave-taking intentions and more generally the future they can imagine for themselves with regard to work and care roles (i.e., their possible selves). We expected prototypes of men that combine the two basic stereotype dimensions of agency and communion to increase men’s communal intentions. In two experiments (N1 = 132, N2 = 233), we presented male participants with contrived newspaper articles that described the ideal man of today with varying degrees of agency and communion (between-subjects design with four conditions; combined agentic and communal vs. agentic vs. communal vs. control condition). Results of Experiment 1 were in line with the main hypothesis that especially presenting a combination of agency and communion increases men’s expectations for communal engagement: As compared to a control condition, men expected more to engage in caretaking in the future, reported higher parental leave-taking intentions, and tended to expect taking longer parental leave. Experiment 2 only partially replicated these findings, namely for parental leave-taking intentions. Both experiments additionally provided initial evidence for a contrast effect in that an exclusive focus on agency also increased men’s self-reported parental leave-taking intentions compared to the control condition. Yet, exclusively emphasizing communion in prototypes of men did not affect men’s communal intentions, which were high to begin with. We further did not find evidence for preregistered mechanisms. We discuss conditions and explanations for the emergence of these mixed effects as well as implications for the communication of gendered norms and barriers to men’s communal engagement more broadly.

The Reform Communist Interpretation of the Stalinist Period in Czech Historiography and Its Legacy

This article is concerned with the continuities in the interpretation of the 1950s in Czechoslovakia from 1956 to the present. It first concentrates on the way the year 1956 (one that remained quiet in the country, as opposed to Poland and Hungary) has been treated in Czechoslovak historiography. It aims to show that an almost exclusive focus on political history has produced until today a misleading image of this apparent communist stability as based on repression rather than on a genuine basis of support for the communist rule. The German historiography of communism shows the usefulness of a socio-political approach that could serve as model. The article then further retraces the permanence of this misleading interpretation to the influence of a highly politicized narrative of the terror period inspired by the work of historian Karel Kaplan and other intellectuals of the Prague Spring era. For this it makes use of Kaplan’s autobiography, which has only ever appeared in French. One particular point of interest is the historiographical treatment reserved to the Stalinist leader Klement Gottwald. The article suggests that this reform communist narrative, which blames the terror on the Soviets without questioning the responsibility of Czech society, has kept the history of the 1950s in Czechoslovakia from evolving at the same pace as the historiography of the post-1968 period. It therefore needs to be acknowledged and challenged.

The life of signs and the signs of life: bases and implications of Thomas A. Sebeok’s global semiotics

Thomas Sebeok is a major representative of contemporary semiotics who dedicated his entire academic career to weaving his semiotic web, aware from the outset of the interdisciplinary nature of the field. On the belief that wherever there is life there are signs, he extended the scope of the discipline well beyond verbal language and culture. The sign–life relationship is vital for all lifeforms on Earth, human and nonhuman, and demands close attention. Current developments in communication studies globally tend to have an exclusive focus on human signs, losing sight of communication understood in a broad sense as converging with life, with respect to which in reality human communication is only a part. Sebeok’s biosemiotic approach to semiosis, his “global semiotics” offers a foundational critique and response to anthropocentric and phonocentric tendencies that in language and communication studies have insistently exchanged the part for the whole. Today, in the world of global and globalized communication, such shortsightedness does not only indicate a characteristic limitation in sign and communication studies, but represents a generalized attitude that is putting life in danger over the planet. As “semiotic animals” we are called to take responsibility for the health of semiosis globally.

Beyond behaviour as individual choice: A call to expand understandings around social science in health research

The focus of behavioural sciences in shaping behaviour of individuals and populations is well documented. Research and practice insights from behavioural sciences improve our understanding of how people make choices that in turn determine their health, and in turn the health of the population. However, we argue that an isolated focus on behaviour - which is one link in a chain from macro to the micro interventions - is not in sync with the public health approach which per force includes a multi-level interest. The exclusive focus on behaviour manipulation then becomes a temporary solution at best and facilitator of reproduction of harmful structures at worst. Several researchers and policymakers have begun integrating insights from behavioural economics and related disciplines that explain individual choice, for example, by the establishment of Behavioural Insight Teams, or nudge units to inform the design and implementation of public health programs. In order to comprehensively improve public health, we discuss the limitations of an exclusive focus on behaviour change for public health advancement and call for an explicit integration of broader structural and population-level contexts, processes and factors that shape the lives of individuals and groups, health systems and differential health outcomes.

Is there more to human social learning than enhanced facilitation? Prolonged learning and its impact on culture

Recent scholarship has sought to understand culture by studying attributes of social learning. While celebrating the role of pedagogy and other forms of facilitated learning in human cultural uniqueness, these studies have neglected instances of restricted and prolonged knowledge and skill acquisition. This article analyses illustrative cases of such learning in the ethnographic literature to assess their implications for cultural processes and products. Combined evidence from formal apprenticeship and the informal learning of hunter-gatherers indicates that though enhanced facilitation of learning is undeniable, an exclusive focus on it has resulted in a flawed concept of human culture and its social context. The cases cited suggest that mechanisms to extend learning constitute a vital source of cultural creativity and innovation that should be considered in social learning and culture discussions.

The Problematics of Scientific Discovery

Historically, the problem of discovery or the problem of the genesis of scientific ideas has been taken seriously by the historians, psychologists, sociologists and philosophers who analyzed the creative thinking and formation of ideas and attempted to provide a meaningful account of them. In fact, the philosophical concern with scientific discovery is as old as science and philosophy of science themselves. However, almost throughout the first half of 20th century, philosophical reflection on the phenomenon of scientific discovery remained in a state of suspended animation. This is because the dominant trend in philosophy of science in this period outlawed it. The dominant view in philosophy of science maintained that the phenomenon of scientific discovery is philosophically irrelevant, and an adequate philosophical understanding of science should confine itself to the way in which scientific theories are justified; it was assumed that the process of justification is a neat, spick-and-span phenomenon eminently suited to be described in terms which are, logically speaking, cut and dry. The process of justification or evaluation according to this orthodox view constitutes the essence of science. Obviously, justification was demarcated from discovery. Justification, because of its supposed epistemic transparency, became the exclusive focus of philosophical attention to the detriment of discovery. The invidious distinction between discovery of scientific ideas and justification of finished ideas of science remained the catchword for a long time. This paper is an attempt to critically examine the nihilistic attitude of the dominant philosophies of science and to arrive at a philosophical theory of scientific discovery.

The trees and the forest: Investigating variability surrounding an aggregate result

We agree with Arocha that the common and exclusive focus on aggregate results of psychological studies creates problems. While a paradigm shift toward idiographic approaches or control theory might help, we argue that traditional approaches can accomplish more if measures of variability are taken seriously. We discuss three kinds of studies: within-person treatment studies, questionnaire-based studies, and replication studies. For each of these, we suggest ways to improve psychological meaningfulness by investigating variability surrounding aggregate results, without ending up in an either–or choice between aggregate results and separate, individual results.

Antonio Negri

This chapter focuses on Antonio Negri’s turn to democratic theory in the wake of Italy’s “Long ’68.” As an activist thinker involved in the political struggles of his time, starting in the early 1970s, Negri challenged the Marxist orthodoxy’s exclusive focus on factory workers through a series of conceptual innovations, such as the “multitude,” highlighting the emancipatory potential of diverse political actors and their innovative resistance practices. Despite this crucial contribution, the chapter contends, Negri’s account, too, is haunted by the Rousseauian dream of immediacy: for Negri, insurgencies are moments of democracy because they are the immediate expressions of the multitude. And while Negri refuses to characterize such short-lived moments as failures, he still, like Rousseau, considers their transience a problem, which he tries to resolve through the cultivation of “adequate” revolutionary consciousness—a problematic move, the chapter concludes, which reproduces the antidemocratic Rousseauian tendency to turn political theory into a theory of education in Negri’s work.