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61.
MULTILEVEL ANALYSIS OF THE EFFECTS OF STUDENT AND INSTRUCTOR/COURSE CHARACTERISTICS ON STUDENT RATINGS 总被引:2,自引:0,他引:2
Multilevel SEM was used to examine the extent to which student, instructor, and course characteristics affect student ratings. Data were gathered from 1867 students enrolled in 117 courses at a large teacher training college in Israel. Four alternative two-level models that differ in only the nature of the relationship among interest in the course subject, expected grade, and student ratings were tested. Two of the models were judged as less appropriate, one because it failed to support the spurious relationship assumed between expected grade and student ratings, and the other on grounds of poor model-data fit. The other two models were equally good both in terms of the model-data fit and the amount of variance in student ratings that is accounted for by each of them. Both models supported the mediation effect of expected grade in the relationship between interest in the course subject and student ratings. 相似文献
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Ulrich Haase 《Educational Media International》2013,50(3):22-27
When the Super-8 system was introduced, providing a much higher picture quality by reason of its larger frame size, the educationist as well as the amateur could not fail to recognize the possibilities opened up by the new development. Even if Super-8 could not rival the 16 mm. film in light output and sharpness of picture, it had the advantages of cheapness and ease of handling, either when ‘shooting’ film or projecting it. From these points of view the new Super-8 format has much to recommend it for the use of film groups in schools and youth organizations. 相似文献
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This paper examines the relationship between a firm's strategic framework and business environment and the probability of becoming the target of “copying”, differentiated into (i) unauthorized reproduction of its technological product elements or insignia, and (ii) patent and trademark infringement. Based on bivariate and multivariate analyses of survey data, we show patterns of the links between being (legally or illegally) imitated and IP protection (e.g., defensive publishing), general strategy (e.g., selling products abroad or off-shoring R&D activities) and organizational factors (e.g., firm size). Management implications for successful strategies against the different types of being copied are derived. 相似文献
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Sebastian T. Opitz Ute Harms Knut Neumann Kristin Kowalzik Arne Frank 《Research in Science Education》2015,45(5):691-715
Energy is considered both a core idea and a crosscutting concept in science education. A thorough understanding of the energy concept is thought to help students learn about other (related) concepts within and across science subjects, thereby fostering scientific literacy. This study investigates students’ progression in understanding the energy concept in biological contexts at the transition from primary to lower secondary school by employing a quantitative, cross-sectional study in grades 3–6 (N?=?540) using complex multiple-choice items. Based on a model developed in a previous study, energy concepts were assessed along four aspects of energy: (1) forms and sources of energy, (2) transfer and transformation, (3) degradation and dissipation, and (4) energy conservation. Two parallel test forms (A and B) indicated energy concept scores to increase significantly by a factor of 2.3 (A)/1.7 (B) from grade 3 to grade 6. Students were observed to progress in their understanding of all four aspects of the concept and scored highest on items for energy forms. The lowest scores and the smallest gain across grades were found for energy conservation. Based on our results, we argue that despite numerous learning opportunities, students lack a more integrated understanding of energy at this stage, underlining the requirement of a more explicit approach to teaching energy to young learners. Likewise, more interdisciplinary links for energy learning between relevant contexts in each science discipline may enable older students to more efficiently use energy as a tool and crosscutting concept with which to analyze complex content. 相似文献
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This study examines teaching evaluation based on student feedback which is intended to contribute to teachers’ professional development. Although studies have highlighted that teaching evaluation is a potential source of professional development and that follow-up sessions are crucial to this benefit, little attention has been paid to the usefulness of follow-up sessions as perceived by the teachers involved. Based on 217 teacher responses and analysis done with Structural Equation Modelling, this article provides additional insight into teaching evaluation by investigating possible antecedents for teachers’ perceived usefulness of follow-up sessions and for evaluation-related stress. Our results indicate that the perceived developmental purposes of teaching evaluation, recognition of the person conducting follow-up sessions and perceived clear communication from leaders are positively related to teachers’ perceived usefulness of follow-up sessions. Higher levels of perceived control purposes are related to higher levels of reported stress among the evaluated teachers. 相似文献
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Knut Neumann 《Zeitschrift für Erziehungswissenschaft》2013,16(1):35-39
Competence models are supposed to structure a competence into different sub-competencies and to describe different levels of competence with respect to these sub-competencies. In developing a competence model (and measuring the respective competence) the following questions need to be answered: How many sub-competencies can be meaningfully differentiated and at which grain size should different levels of competence be measured. The number of sub-competencies and the grain size of the competence levels define the level of detail of a competence model. Previous research in the field of competence modeling suggests that the same competence can be modeled at different levels of detail. This raises the question which relation such competence models have to each other. The following article presents the results of a discussion of these questions in scope of the priority program “Competence Models for Assessing Individual Learning Outcomes and Evaluating Educational Processes”. 相似文献
69.
The impact of physics teachers’ pedagogical content knowledge and motivation on students’ achievement and interest 下载免费PDF全文
This paper examines students’ achievement and interest and the extent to which they are predicted by teacher knowledge and motivation. Student achievement and interest are both considered desirable outcomes of school instruction. Teacher pedagogical content knowledge has been identified a major predictor of student achievement in previous research, whereas teacher motivation is considered a decisive factor influencing students’ interest. So far, however, most research either focused on knowledge or motivation (both on the students’ as well as the teachers’ side), rarely investigating them together or examining the instructional mechanisms through which the supposed effects of teacher knowledge and motivation are facilitated. In the present study, N = 77 physics teachers and their classes in Germany and Switzerland are investigated utilizing a multi‐method approach in combining data obtained from test‐instruments (teacher pedagogical content knowledge, student achievement) and questionnaires (teacher motivation, student interest, student perceived enthusiastic teaching) as well as videotaped instruction (cognitive activation rated by observers). Multi‐level structural equation modeling was used to support the assumptions that teacher pedagogical content knowledge positively predicted students’ achievement; the effect was mediated by cognitive activation. Teachers’ motivation predicted students’ interest which was mediated by enthusiastic teaching as perceived by students. Neither did teacher pedagogical content knowledge predict students’ interest, nor teacher motivation students’ achievement. This implies that in order to improve students’ cognitive as well as affective outcomes, both teachers’ knowledge but also their motivation need to be considered. © 2016 The Authors. Journal of Research in Science Teaching Published by Wiley Periodicals, Inc. J Res Sci Teach 54:586–614, 2017 相似文献
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