About the Complexities of Video-Based Assessments: Theoretical and Methodological Approaches to Overcoming Shortcomings of Research on Teachers’ Competence     

Gabriele Kaiser  Andreas Busse  Jessica Hoth  Johannes König  Sigrid Blömeke 《International Journal of Science and Mathematics Education》2015,13(2):369-387

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Professional competencies of (prospective) mathematics teachers—cognitive versus situated approaches     

Gabriele Kaiser  Sigrid Blömeke  Johannes König  Andreas Busse  Martina Döhrmann  Jessica Hoth 《Educational Studies in Mathematics》2017,94(2):161-182

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Hamburg’s Family Literacy project (FLY) in the context of international trends and recent evaluation findings     

Gabriele Rabkin  Stefanie Geffers  Ulrike Hanemann  Meike Heckt  Marcus Pietsch 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2018,64(5):651-677

The authors of this article begin with an introduction to the holistic concept of family literacy and learning and its implementation in various international contexts, paying special attention to the key role played by the notions of lifelong learning and intergenerational learning. The international trends and experiences they outline inspired and underpinned the concept of a prize-winning Family Literacy project called FLY, which was piloted in 2004 in Hamburg, Germany. FLY aims to build bridges between preschools, schools and families by actively involving parents and other family members in children’s literacy education. Its three main pillars are: (1) parents’ participation in their children’s classes; (2) special sessions for parents (without their children); and (3) joint out-of-school activities for teachers, parents and children. These three pillars help families from migrant backgrounds, in particular, to develop a better understanding of German schools and to play a more active role in school life. To illustrate how the FLY concept is integrated into everyday school life, the authors showcase one participating Hamburg school before presenting their own recent study on the impact of FLY in a group of Hamburg primary schools with several years of FLY experience. The results of the evaluation clearly indicate that the project’s main objectives have been achieved: (1) parents of children in FLY schools feel more involved in their children’s learning and are offered more opportunities to take part in school activities; (2) the quality of teaching in these schools has improved, with instruction developing a more skills-based focus due to markedly better classroom management und a more supportive learning environment; and (3) children in FLY schools are more likely to have opportunities to accumulate experience in out-of-school contexts and to be exposed to environments that stimulate and enhance their literacy skills in a tangible way.  相似文献   

The Narrative Approach in Art Education: A Case Study     

Gabriele Esser‐Hall  Jeff Rankin  Dumile Johannes Ndita 《The International Journal of Art & Design Education》2004,23(2):136-147

This case study takes as its focus the work of the Fine Art graduate Dumile Johannes Ndita, who visually narrates his experience of life in contemporary South Africa. The artist graduated from Border Technikon, East London, an institution which teaches the narrative approach. It is the aim of the authors to illustrate how this method enables students to transfer lived experience into image. The three voices in this paper come from different backgrounds. The artist will explain the meaning of his drawings, the teacher will give background information on the community and culture in which he himself and the artist operate and outline teaching methods. Students taught by this method create work that has impact and meaning beyond the confines of the art school. To argue this point, the theoretician will add her voice and reflect on meta‐narratives presented in Dumile Johannes Ndita's drawings. Intricate inter‐textual patterns, shared and interconnecting institutional narratives tie our individual voices to those of the wider community and culture of present‐day South Africa and beyond.  相似文献   

Method evaluation study of a new generation of vitamin D assays     

Dietmar Enko  Gernot Kriegsh?user  Robert Stolba  Elfriede Worf  Gabriele Halwachs-Baumann 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2015,25(2):203-212

Introduction

Recently several diagnostic manufacturers have launched new 25-hydroxy-vitamin D (25[OH]D) assays, which are aligned to the National Institute of Standards and Technology (NIST) Standard Reference Materials (SRM) (NIST, Gaithersburg, Maryland). The aim of this study was to compare the performance of one liquid chromatography-tandem mass spectrometry (LC-MS/MS) method, one enzyme linked immunosorbent assay (ELISA), and one recalibrated and previous version of a chemiluminescence immunoassay (CLIA).

Material and methods

Serum-aliquots of 198 patient samples from routine 25(OH)D analysis were measured by the ClinMass® LC-MS/MS Complete Kit (RECIPE Chemicals + Instruments GmbH, Munich, Germany), the ORGENTEC 25(OH)D₃/D₂ ELISA (ORGENTEC Diagnostika GmbH, Mainz, Germany), the recalibrated Immunodiagnostic Systems (IDS)-iSYS 25(OH)D^S and the previous used IDS-iSYS 25(OH)D CLIA (Immunodiagnostic Systems Ltd, Boldon, United Kingdom). Bland-Altman and Deming regression analyses were calculated for methods comparison of all tested 25(OH)D assays. The LC-MS/MS method was defined as the reference method. Within-run and between-run precision measurements were performed for all methods with three different concentration levels.

Results

Compared to the LC-MS/MS method, the new IDS-iSYS 25(OH)D^S and ORGENTEC 25(OH)D₃/D₂ assay demonstrated mean relative biases of 16.3% and 17.8%. The IDS-iSYS 25(OH)D assay showed the lowest mean bias of 1.5%. Deming regression analyses of the recalibrated IDS-iSYS 25(OH)D^S and the ORGENTEC 25(OH)D₃/D₂ assay showed proportional differences, when compared to the reference method. All assays showed a within-run and between-run imprecision of ≤ 20% at each of the evaluated concentration levels.

Conclusions

The evaluated standardized immunoassays and LC-MS/MS are useful methods for measuring 25(OH)D serum-levels in clinical laboratories.Key words: vitamin D, immunoassays, liquid chromatography-tandem mass spectrometry, reference standards, quality improvement  相似文献   

What boxing-related stimuli reveal about response behaviour     

Giovanni Ottoboni  Gabriele Russo 《Journal of sports sciences》2015,33(10):1019-1027

When two athletes meet inside the ropes of the boxing ring to fight, their cognitive systems have to respond as quickly as possible to a manifold of stimuli to assure victory. In the present work, we studied the pre-attentive mechanisms, which form the basis of an athlete’s ability in reacting to an opponent’s punches. Expert boxers, beginner boxers and people with no experience of boxing performed a Simon-like task where they judged the colour of the boxing gloves worn by athletes in attack postures by pressing two lateralised keys. Although participants were not instructed to pay attention to the direction of the punches, beginner boxers’ responses resembled a defence-related pattern, expert boxers’ resembled counterattacks, whereas non-athletes’ responses were not influenced by the unrelated task information. Results are discussed in the light of an expertise-related action simulation account.  相似文献   

Additive benefits of external focus and enhanced performance expectancy for motor learning     

Luigi A. M. Pascua  Gabriele Wulf  Rebecca Lewthwaite 《Journal of sports sciences》2015,33(1):58-66

The authors examined the individual and combined influences of 2 factors that have been shown to benefit motor learning: an external focus of attention and enhanced performance expectancies. Another purpose of this study was to gain further insight into the mechanisms underlying these variables. In a factorial design, participants learning a novel motor skill (i.e., throwing with the non-dominant arm) were or were not given external focus instructions, and were or were not provided bogus positive social-comparative feedback to enhance their expectancies. This resulted in 4 groups: external focus, enhanced expectancy, external focus/enhanced expectancy and control. External focus instructions and enhanced expectancies had additive benefits for learning: the external focus/enhanced expectancy group demonstrated the greatest throwing accuracy on both retention and transfer tests, while the accuracy scores of the external focus and enhanced expectancy groups were lower, but higher than those of the control group. Furthermore, self-efficacy was increased by both external focus and enhanced expectancy, and predicted retention and transfer performance. Positive affect was heightened in the enhanced expectancy and external focus/enhanced expectancy groups after practice and predicted transfer performance. The findings suggest that the learning benefits of an external focus and enhanced expectancies mediate learning through partially different mechanisms.  相似文献   

Market information approaches, product innovativeness, and firm performance: An empirical study in the fashion industry     

Paola Cillo  Luigi M. De Luca  Gabriele Troilo 《Research Policy》2010,39(9):1242-1252

In this study the authors propose a distinction between two approaches to market information, rooted in the marked-based learning theory. The two approaches are conceptualized and operationalized on the basis of their differences along three processes: generation, dissemination and use of market information. In the retrospective approach, the generation process is based on expressed customer needs and extant market relations; the dissemination is based on formal mechanisms; the use process is more instrumental. In the forward-looking approach, the generation process is based on latent customer needs and on the evolutionary patterns of the future market relations; the dissemination process is more informal; the use of information is more conceptual. A series of hypotheses concerning the relationships between these approaches, product innovativeness and firm performance are tested on a sample of Italian fashion firms. Results suggest that the two approaches are complementary for firm performance, but have opposite effects on product innovativeness: while a forward-looking approach is positively related to product innovativeness, a retrospective approach seems to be negatively related. The results also shed light on how market information approaches and product innovativeness jointly affect firm performance.  相似文献   

Self-controlled feedback is effective if it is based on the learner's performance     

Chiviacowsky S  Wulf G 《Research quarterly for exercise and sport》2005,76(1):42-48

The study follows up on the contention that self-controlled feedback schedules benefit learning because they are more tailored to the performers' needs than externally controlled feedback schedules (Chiviacowsky & Wulf, 2002). Under this assumption, one would expect learning advantages for individuals who decide whether they want to receive feedback after a trial rather than before a trial. Participants practiced a sequential timing task, and all could decide the trials on which they received feedback. One group ("self-after") decided after every trial whether they wanted to receive feedback for that trial while another group ("self-before") made that decision before each trial The self-after group showed learning benefits on a delayed transfer test (novel absolute timing requirements) with regard to overall timing and relative-timing accuracy. Thus, self-controlled feedback was more effective when the learner could make a decision about receiving feedback after the trial. This seems to support the view that self-controlled feedback benefits learning, because learners can make a decision about feedback based on their performance on a given trial.  相似文献   

Against feminist science: Harding and the science question in feminism     

Gabriele Lakomski 《Educational Philosophy and Theory》1989,21(2):1-11

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