The Role of Patriotism in Explaining the TV Audience of National Team Games—Evidence From Four International Tournaments

In the literature addressing the determinants of TV audiences in sports, both the absolute and relative playing strength of the opponents play a prominent role. Regarding national team competitions, however, this study conjectures that patriotism matters as well. Analyzing the Swiss TV audience at 2 World Cups and 2 European Football Championships, this study finds strong evidence that TV ratings are highly affected by the sizes of the groups of foreign residents affiliated with the teams playing on the field.     

MathePraxis – connecting first-year mathematics with engineering applications

First-year engineering students often complain about their mathematics courses as the significance of the difficult and abstract calculus to their field of study remains unclear. We report on the project MathePraxis, a feasibility study which was designed as a means to give first-year students some impression about the use of mathematics in real practice. We aim to increase the motivation and retention rates among engineering students by connecting the contents of the first-year mathematics lectures with practical applications. We developed three projects, two of which are described in this article: an inverted pendulum considered as a model for the automated control within a Segway and a study on the optimal design of a ribbed cooler. In this article, we briefly present the mathematical content of the projects and report on their implementation.     

Organizational knowledge creation and the generation of new product ideas: A behavioral approach

In this paper, we address the pre-project phase of idea generation in the product innovation process, where the effective generation of new product ideas still remains an issue of high relevance for both management scholars and practitioners. We relate Nonaka and colleagues’ four knowledge creation modes of socialization, externalization, combination, and internalization to the novelty of product ideas generated. Taking a behavioral perspective on the four modes, we posit positive relationships between socialization as well as internalization and the novelty of product ideas, whereas we postulate negative relationships for externalization as well as combination. Using data from multiple respondents in 33 companies, our results confirm the proposed linkages.     

A learning optimizer for a federated database management system

Anfrageoptimierer in modernen Datenbanksystemen (DBS) verwenden ein Kostenmodell, um für eine Anfrage einen effizienten Zugriffsplan aus der Menge aller m?glichen Zugriffspl?ne auszuw?hlen. Die Genauigkeit, mit der diese Kosten gesch?tzt werden, h?ngt stark davon ab, wie genau Statistiken über die Datenverteilung die ihnen zugrunde liegenden Daten modellieren. Veraltete Statistiken, oder ungültige Annahmen im statistischen Modell, führen h?ufig zur Auswahl suboptimaler Zugriffspl?ne und dadurch zu Defiziten bei der Ausführungsgeschwindigkeit von Datenbankanfragen. F?derierte Systeme müssen auf dem koordinierenden DBS Statistiken über verteilte Daten unterhalten, um effiziente Zugriffspl?ne zu entwickeln, wenn Daten aus verschiedenen Datenquellen zusammengeführt werden. Fehlerhafte Statistiken verursachen in diesem Fall schlechte Lastenverteilung sowie zus?tzlichen Kommunikationsaufwand und Netzlast. Die Synchronisation dieser zus?tzlichen Statistiken mit den Statistiken der entfernten Datenquellen ist problematisch, da Datenquellen v?llig unabh?ngig voneinander sind und ihre Statistiken eventuell nicht externalisieren oder inkompatible bzw. andere statistische Modelle verwenden als das koordinierende DBS. Im folgenden zeigen wir eine Erweiterung der Feedback-Schleife von DB2s lernendem Optimierer (LEO) auf f?derierte Architekturen, die es LEO erm?glicht, automatisch Statistiken über Daten auf entfernten Datenquellen zu lernen und zu verwalten. Wir diskutieren mehrere M?glichkeiten, Feedback für f?derierte Anfragen zu erhalten und stellen einen L?sung vor, die lokales Feedback verwendet, und einen Stichprobenprozess (statistical sampling) zu steuren, der die ben?tigten entfernten Daten basierend auf dem Feedback effizient ermittelt. Mittels einer detaillierten Leistungsanalyse der vorgestellten M?glichkeiten im Rahmen einer Fallstudie belegen wir, dass der potenzielle Geschwindigkeitszuwachs für Datenbankanfragen sehr hoch ist, w?hrend die Zusatzbelastung durch LEO in moderaten Grenzen liegt.     

Culturally responsive student assessment and quality work in higher education

Educational Assessment, Evaluation and Accountability -     

Computer support for knowledge communication in science exhibitions: Novel perspectives from research on collaborative learning

In this article, the potentials of advanced technologies for learning in science exhibitions are outlined. For this purpose, we conceptualize science exhibitions as dynamic information space for knowledge building which includes three pathways of knowledge communication. This article centers on the second pathway, that is, knowledge communication among visitors. We argue that advanced technologies have specific potentials to support all forms of visitor-to-visitor knowledge communication and, furthermore, allow for new forms of knowledge communication among unacquainted visitors and beyond the actual museum visit. We discuss mechanisms of collaborative learning with regard to their relevance for visitor-to-visitor knowledge communication and present prototypical advanced media applications in science exhibitions that address these mechanisms. This article both contributes to our understanding of collaborative learning in science exhibitions and the support advanced technologies can provide for visitor-to-visitor knowledge communication in science exhibitions.     

Stichwort: Literalität — Schriftlichkeit

Ohne Zusammenfassung