The Economics of Sensationalism: The Lack of Effect of Scandal-Reporting on Business Outcomes     

Brinja Meiseberg  Jochen Lengers  Thomas Ehrmann 《Journal of Media Economics》2016,29(1):4-15

It goes nearly unchallenged that ambition for increased demand and therefore commercial forces induce newspapers to engage in sensationalism. However, who actually benefits, and to what extent, by reporting on alleged scandals remains largely unclear. Accordingly, this study evaluates the business outcomes of the most spectacular German scandal in recent decades. The results provide an explanation for an intentional lack of high-quality journalism; whereas news corporations, as well as advertisers, come away empty-handed, sensationalism seems to be incited by self-seeking journalists.  相似文献   

Using Smartphones as Experimental Tools—a Follow-up: Cognitive Effects by Video Analysis and Reduction of Cognitive Load by Multiple Representations     

Hochberg  Katrin  Becker  Sebastian  Louis  Malte  Klein  Pascal  Kuhn  Jochen 《Journal of Science Education and Technology》2020,29(2):303-317

Journal of Science Education and Technology - Mobile devices (smartphones or tablets) as experimental tools (METs) offer inspiring possibilities for science education, but until now, there has been...  相似文献   

Revisiting the Role of Worries in Explaining the Link Between Test Anxiety and Test Performance     

Schillinger  Frieder L.  Mosbacher  Jochen A.  Brunner  Clemens  Vogel  Stephan E.  Grabner  Roland H. 《Educational Psychology Review》2021,33(4):1887-1906

Educational Psychology Review - The inverse relationship between test anxiety and test performance is commonly explained by test-anxious students’ tendency to worry about a test and the...  相似文献   

Plant cell cultures—a future source of natural products?     

Jochen Berlin 《Endeavour》1984,8(1):5-8

Plant cell cultures are a potential source of commercially important compounds, but although technical problems seem to be relatively easy to solve there are several biological hurdles still to be overcome. An analysis of the state of the art shows that a breakthrough can be expected only if research is intensified on unravelling the regulatory controls in the biosynthesis of natural products. The knowledge gained might then be used to manipulate the expression of secondary metabolism by the techniques of genetic engineering.  相似文献   

Reliability and validity of a soccer passing test using the Footbonaut     

Christian Saal  Jochen Zinner  Harald Fiedler  Ralf Lanwehr  Jürgen Krug 《Sportwissenschaft》2018,48(3):334-340

The aim of this study was to investigate the reliability and validity of a soccer short passing test using the Footbonaut training system. Forty-eight young skilled soccer players and 31 lesser-skilled soccer players completed a test and a retest, each involving four sessions a day of a Footbonaut short passing test (FSPT). We found significant differences in mean execution times for skilled (mean [M]?=?2487, standard deviation [SD] ?=?155) and lesser-skilled players (M?=?2682, SD?=?176) but no significant difference in accuracy (M?=?74.13, SD?=?7.65; M?=?72.19, SD?=?8.13) between groups. The results from linear mixed-effects models show that there were no significant effects of repeated measurements on execution time. In contrast, we found an estimated increase of 0.86% in accuracy per session for both groups. In conclusion, the FSPT offers a reliable and valid method to differentiate young soccer players at different competitive levels, using execution time.  相似文献   

Prospective analysis of technological innovation systems: Identifying technological and organizational development options for biogas in Switzerland   总被引：1，自引：0，他引：1  

Jochen Markard  Martin Stadelmann  Bernhard Truffer 《Research Policy》2009,38(4):655-667

In this article, we put forward a concept for the identification and analysis of future development options of technological innovation systems. The key element of our approach, the so-called variation analysis, is a methodology to identify coherent socio-technical and organizational variants within a specific innovation field. Consistent combinations of these two dimensions may be interpreted as nuclei for alternative future developments of innovation systems. The method may be used in discursive foresight processes to inform strategy formulation of firms or policy makers who see a utility in furthering the innovation field. The paper has a focus on developing the theoretical background and the analytical structure of the methodology. Empirically, we illustrate the method for the innovation system of biomass digestion in Switzerland.  相似文献   

Antecedents of the Initiation of Watching Sexually Explicit Internet Material: A Longitudinal Study Among Adolescents     

Laura Vandenbosch  Jochen Peter 《Mass Communication and Society》2016,19(4):499-521

Little research to date has focused on adolescents’ initiation of watching sexually explicit Internet material (SEIM) and its antecedents. Based on 400 adolescents who had never watched SEIM at baseline (in a three-wave panel study among 1,467 13–17-year-old Dutch adolescents), we examined antecedents of the initiation of watching SEIM one year later. Logistic regression analyses indicated that boys were more likely to start watching SEIM than girls. A hypergender identity increased the likelihood to initiate watching SEIM among girls, whereas frequent exposure to the sexy self-presentation of others in social media especially increased boys’ chance of watching SEIM. An interaction effect between sexual experience and age was also found.  相似文献   

Medium-based design: Extending a medium to create an exploratory learning environment   总被引：1，自引：0，他引：1  

Jochen Rick  K. K. Lamberty 《Interactive Learning Environments》2013,21(3):179-212

This article introduces medium-based design – an approach to creating exploratory learning environments using the method of extending a medium. First, the characteristics of exploratory learning environments and medium-based design are described and grounded in related work. Particular attention is given to extending a medium – medium-based design's core method. Then, the product and process of two environments are detailed to show how medium-based design enables the creation of exploratory learning environments. Finally, a study compares medium-based design to a conventional design process to test the hypothesis that medium-based design is particularly effective in creating exploratory learning environments.  相似文献   

Dealing with complex and ill-structured problems: results of a Plan-Do-Check-Act experiment in a business engineering semester     

Jens Ove Riis  Poul Israelsen  Poul Kyvsgaard Hansen  John Johansen  Jochen Deuse 《European Journal of Engineering Education》2017,42(4):396-412

Challenged by increased globalisation and fast technological development, we carried out an experiment in the third semester of a global business engineering programme aimed at identifying conditions for training student in dealing with complex and ill-structured problems of forming a new business. As this includes a fuzzy front end, learning cannot be measured in traditional, quantitative terms; therefore, we have explored the use of reflection to convert tacit knowledge to explicit knowledge. The experiment adopted a Plan-Do-Check-Act approach and concluded with developing a plan for new learning initiatives in the subsequent year’s semester. The findings conclude that (1) problem-based learning develops more competencies than ordinarily measured at the examination, especially, the social/communication and personal competencies are developed; (2) students are capable of dealing with a complex and ambiguous problem, if properly guided. Four conditions were identified; (3) most students are not conscious of their learning, but are able to reflect if properly encouraged; and (4) improving engineering education should be considered as an organisational learning process.  相似文献   

Software for calculating blood lactate endurance markers     

John Newell  David Higgins  Niall Madden  James Cruickshank  Jochen Einbeck  Kenny McMillan 《Journal of sports sciences》2013,31(12):1403-1409

Abstract

Blood lactate markers are used as summary measures of the underlying model of an athlete's blood lactate response to increasing work rate. Exercise physiologists use these endurance markers, typically corresponding to a work rate in the region of high curvature in the lactate curve, to predict and compare endurance ability. A short theoretical background of the commonly used markers is given and algorithms provided for their calculation. To date, no free software exists that allows the sports scientist to calculate these markers. In this paper, software is introduced for precisely this purpose that will calculate a variety of lactate markers for an individual athlete, an athlete at different instants (e.g. across a season), and simultaneously for a squad.  相似文献