System competence modelling: Theoretical foundation and empirical validation of a model involving natural,social and human‐environment systems          下载免费PDF全文

Rainer Mehren  Armin Rempfler  Janine Buchholz  Johannes Hartig  Eva M. Ulrich‐Riedhammer 《科学教学研究杂志》2018,55(5):685-711

Constituting a metacognitive strategy, system competence or systems thinking can only assume its assigned key function as a basic concept for the school subject of geography in Germany after a theoretical and empirical foundation has been established. A measurement instrument is required which is suitable both for supporting students and for the evaluation of methodical‐didactic measures. Such a tool is theoretically anchored in an empirically validated geography‐didactic and cognition‐psychological competence model, providing a differentiated representation of both the internal structure of a competency and the proficiency levels. The starting point of this foundation was the development of a normative‐theoretically derived model of geographic system competence. Its empirical validation was performed in different phases aimed at operationalising the competence model by means of test problems. In order to analyse the factor structure of the theoretical model, various item response models were estimated. The item levels of difficulty expected in the competence model were related to the empirical levels of difficulty and predicted by means of ordinary least squares regression to verify the model for proficiency levels. The two‐dimensional competence model – with the two dimensions ‘system organisation and behaviour’ and ‘system‐adequate intention to act’ – exhibits a better fit in reference to the model fit criteria than the one‐dimensional and three‐dimensional models. The correlations between the expected and empirical item difficulties are positive. Items that should be more difficult according to the competence model are actually shown to be more difficult. These findings suggest the reliability and validity of this new measurement instrument for diagnosing and promoting geographical system competence. It has to be implemented in practice as the next step.  相似文献   

Determinants of proactive and reactive technology licensing: A contingency perspective     

Ulrich Lichtenthaler 《Research Policy》2010,39(1):55-66

Industrial firms increasingly attempt to license their technologies apart from applying them in their own products. Because of the imperfections in technology markets, an active approach towards technology licensing does not automatically result in licensing transactions. To balance prior research, which has focused on licensing transactions as the outcome of licensing intentions, we take a contingency view to analyze how characteristics of a firm's innovation ecosystem determine different strategic types of licensing. Specifically, we distinguish proactive licensing, which refers to identifying recipients for technology transactions, and reactive licensing, which relates to offering licenses to infringers of a firm's intellectual property. Survey data show that environmental antecedents concerning appropriability, i.e., patent protection and technological turbulence, and determinants regarding technology markets, i.e., transaction frequency and competitive intensity, have different effects on proactive and reactive licensing. On this basis, the article has major implications for research into technology licensing, markets for technology, and open innovation.  相似文献   

Irritation und Phantasie     

Univ.-Prof. em. Dr. Arno Combe  Univ.-Prof. Dr. Ulrich Gebhard 《Zeitschrift für Erziehungswissenschaft》2009,12(3):549-571

In processes of experience, we become intensely involved in a situation or–what is particularly important for academic learning–in the examination of a learning object. In this article we show in which ways meaningful, ubiquitous learning processes that embrace the individual can be understood against the background of a theory of learning based on experience. Experience constitutes itself within a process of crisis management which must not be misunderstood as a negativistic perspective. For we will demonstrate how crises and irritation can be transformed into constructive learning processes and how they function as “fruitful elements in educational processes.” However, key processual and structural elements of the process of experience, such as resistance, intuition, imagination, and fantasy, have in effect not yet been developed in learning theory, at least with respect to the academic learning process. It is precisely this gap that this essay acts on. Particularly in the case of fantasy inspired by irritation, its potential of being the focus and dynamic medium of intercommunication between the inner and outer world, and of the corresponding transitions between self and object, becomes evident. This assumption will be thematized with respect to its empirical-psychological and didactic relevance. Finally, using the concept of everyday fantasies it will be demonstrated that and how irritation and fantasy can be fruitfully combined with reflective processes.  相似文献   

Akuteffekte des Einsatzes von Futsalbällen beim Fußballspielen im Sportunterricht     

Jun.-Prof. Dr. Christopher Heim  Ulrich Frick  Robert Prohl 《Sportwissenschaft》2013,43(1):47-55

This study evaluated the effects of utilising futsal balls during physical education lessons via a comparison with traditional and indoor (felt) footballs. A total of 423 5^th grade pupils (197 female and 226 male, age range 10–13 years, mean age 10 years 11.5 months) took part in a series of conditions designed to assess the bearing different football types (i.e. felt, leather and futsal) have on technical playing ability and game awareness. The results indicate that utilizing futsal balls is associated with improvements in most areas of assessment. In particular control of bouncing balls is significantly faster with futsal balls when compared to traditionally used leather or felt footballs. An increase in the number of ball contacts for each player and improvements in the quality of offensive play were also observed and participants appeared to have markedly less fear of the futsal ball in comparison with other types of balls. In conjunction, these findings lend strong support to the concept of making greater use of futsal balls when playing indoor football with young people.  相似文献   

Measurement invariance and validity of a brief questionnaire on reading motivation in elementary students          下载免费PDF全文

Franziska Stutz  Ellen Schaffner  Ulrich Schiefele 《Journal of Research in Reading》2017,40(4):439-461

In order to initiate more research on the role of reading motivation during the initial stages of learning to comprehend texts, we developed the Reading Motivation Questionnaire for Elementary Students (RMQ‐E). The sample comprised 1497 elementary students in Grades 1–3. By means of exploratory and confirmatory factor analyses, three factors were determined: Curiosity, involvement and competition. The three‐factor structure of the RMQ‐E was found to be invariant across grade levels (scalar invariance) and across female and male students (strict invariance). As was anticipated, students in higher grades and male students were lower in curiosity and involvement than students in lower grades and female students. Whereas competitive reading motivation did not differ across grade levels, it was higher for boys than for girls. Moreover, the contributions of involvement and competition to reading amount and reading competence were in accordance with the hypotheses. The predictive validity of curiosity, however, was not confirmed.  相似文献   

Does parental homework involvement mediate the relationship between family background and educational outcomes?     

Hanna Dumont  Ulrich Trautwein  Oliver Lüdtke  Marko Neumann  Alois Niggli  Inge Schnyder 《Contemporary educational psychology》2012

This research examines whether parental homework involvement mediates the relationship between family background and educational outcomes such as academic achievement and academic self-concept. Data from two studies in which grade 8 students (N = 1274 and N = 1911) described their parents’ involvement in the homework process were reanalyzed via structural equation modeling. Perceived parental homework interference and perceived homework-related conflict were negatively related to students’ academic development, whereas perceived parental support and perceived parental competence to help with homework were positively related to academic outcomes. Although there were small associations between some aspects of parental homework involvement and family background variables, parental homework involvement did not mediate the relationship between family background and educational outcomes. Findings highlight the need for differentiated conceptualizations of parental homework involvement as well as detailed analyses of the processes underlying the association between family background and educational outcomes.  相似文献   

TGMD-3在中国3~12岁儿童基本运动技能测试中的信效度研究     

李兴盈  汪晓赞  Dale A.Ulrich  徐勤萍  何耀慧  郭强 《武汉体育学院学报》2022,56(3):86-92

目的: 验证TGMD-3在中国3~12岁儿童基本运动技能测试中的可靠性和有效性。方法: 选取上海、深圳、重庆、洛阳、长沙的512名3~12岁儿童为研究对象进行TGMD-3测试,对测试的难度、区分度、一致性信度、重测信度和评价者信度、结构效度进行统计检验。结果: TGMD-3的13个项目难度范围为0.27~0.78,区分度范围为0.38~0.49。每个年龄组儿童基本运动技能测试(TGMD-3)的内部一致性系数范围为0.808~0.902,其中男女生的内部一致性系数均为0.95;总体的基本运动技能评价者信度(肯德尔协同系数)w为0.944, 2值为28.331,达到显著性水平;重测检验中,移动式运动技能(组内相关系数)ICC为0.755、球类运动技能(组内相关系数)ICC为0.741、总的基本运动技能(组内相关系数)ICC为0.743,均达到了较高水平。通过探索性因子分析验证了TGMD-3的双因子结构,并通过验证性因子分析支持双因子模型(χ²(64)=103.28,p<0.001,CFI=0.960,TLI=0.952,RMSEA=0.049,SRMR=0.043)。结论: TGMD-3儿童基本运动技能测试具有良好的项目难度、区分度,以及可靠的内部一致性信度、重测信度和结构效度,对我国3~12岁儿童具有良好的适用性,可以作为我国儿童基本运动技能发展评价的有效工具。  相似文献   

DNA, Inference, and Information     

Stegmann  Ulrich E. 《The British journal for the philosophy of science》2009,60(1):1-17

This paper assesses Sarkar's ([2003]) deflationary account ofgenetic information. On Sarkar's account, genes carry informationabout proteins because protein synthesis exemplifies what Sarkarcalls a ‘formal information system’. Furthermore,genes are informationally privileged over non-genetic factorsof development because only genes enter into arbitrary relationsto their products (in virtue of the alleged arbitrariness ofthe genetic code). I argue that the deflationary theory doesnot capture four essential features of the ordinary conceptof genetic information: intentionality, exclusiveness, asymmetry,and causal relevance. It is therefore further removed from whatis customarily meant by genetic information than Sarkar admits.Moreover, I argue that it is questionable whether the accountsucceeds in demonstrating that information is theoreticallyuseful in molecular genetics.

1. Introduction
2. Sarkar's InformationSystem
3. The Pre-theoretic Features of Genetic Information

   3.1Intentionality

   3.2 Exclusiveness

   3.3 Asymmetry

   3.4 Causalrelevance

4. Theoretical Usefulness
5. Conclusion

  相似文献   

The role of corporate technology strategy and patent portfolios in low-, medium- and high-technology firms   总被引：2，自引：0，他引：2  

Ulrich Lichtenthaler 《Research Policy》2009,38(3):559-569

Previous research into technology strategies and patent portfolios has focused on high-technology firms, whereas low- and medium-technology companies have been relatively neglected. Therefore, we analyze how corporate technology strategy and the size and composition of patent portfolios affect the performance of low-, medium- and high-technology firms. Data from 136 European companies are used to examine four hypotheses relating financial performance to technological diversification, technological aggressiveness, patent portfolio size, and patent portfolio quality. The cross-industry sample allows analyzing the different consequences of these strategic parameters in low-, medium- and high-technology firms by considering technological intensity as a moderator. Our first finding is that the positive impact of technological aggressiveness is limited in low- and medium-technology companies. Secondly, technological diversification has a positive effect in high-technology firms and a negative effect in low-technology firms. Thirdly, patent portfolio size has a positive effect only in high-technology firms. Finally, patent portfolio quality has an equally positive influence on all firms’ performance. In part, these results conflict with the findings of previous research into high-technology companies, and they call for rethinking the role of technology strategies and intellectual property portfolios in firms across industries.  相似文献   

Technological innovations and sectoral change: Transformative capacity, adaptability, patterns of change: An analytical framework   总被引：1，自引：0，他引：1  

Ulrich Dolata   《Research Policy》2009,38(6):1066-1076

Following up on recent debates about sectoral systems of innovation and production, the paper introduces a heuristic framework for analyzing and explaining distinct patterns of technology-based sectoral change. The concept is based on two interrelated influencing factors. The first is the sectoral-specific transformative capacity of new technologies themselves, that is, their substantial or incremental impact on socioeconomic and institutional change in a given sectoral system. The second is the sectoral adaptability of socioeconomic structures, institutions, and actors confronted with the opportunities presented by new technologies. The first factor—the sectoral transformative capacity of new technologies—enables us to identify the technology-based pressure to change and adjust the structural, institutional, and organizational architectures of the sectoral system. The second, complementary factor—sectoral adaptability—helps us to discern the distinct social patterns of anticipating and adopting this technology-based pressure. The specific interplay between the two influencing factors creates distinguishable modes of sectoral transformation, ranging from anticipative and smooth adjustments to reactive and crisis-ridden patterns of change. Even processes of radical sectoral change continue over longer periods of mismatch and are characterized by numerous and mostly gradual organizational, structural and institutional transformations.  相似文献