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Vasilios Grammatikopoulos Nikolaos Tsigilis Athanasios Koustelios Yannis Theodorakis 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2005,40(5):427-438
The aim of this study was to develop an instrument for evaluating how an education program has been implemented. Such evaluation
can provide insight into the effectiveness of a program. Examined here was the Olympic Education Program used in Greek schools
since 2000. In it, students learn the history of the Olympic games and the importance of exercise for health along with the
principles and values of sports and volunteerism. The evaluation instrument underlying this study addressed the following
six factors: ‘facilities’, ‘administration’, ‘educational material’, ‘student–teacher relationships’, ‘educational procedures’,
and ‘training’. Results indicate that the instrument, while adequate for assessing effectiveness, should be combined with
advanced statistical methods. 相似文献
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The aim of this study was to examine joint power generation during a concentric knee extension isokinetic test and a squat vertical jump. The isokinetic test joint power was calculated using four different methods. Five participants performed concentric knee extensions at 0.52, 1.57, 3.14 and 5.23 rad x s(-1) on a Lido isokinetic dynamometer. The squat vertical jump was performed on a Kistler force plate. Kinematic data from both tests were collected and analysed using an ELITE optoelectronic system. An inverse dynamics model was applied to measure knee joint moment in the vertical jump. Knee angular position data from the kinematic analysis in the isokinetic test were used to derive the actual knee angular velocity and acceleration, which, in turn, was used to correct the dynamometer moment for inertial effects. Power was measured as the product of angular velocity and moment at the knee joint in both tests. Significant differences (P < 0.05) were found between mean (+/- s) peak knee joint power in the two tests (squat vertical jump: 2255 +/- 434 W; isokinetic knee extension: 771 +/- 81 W). Correlation analysis revealed that there is no relationship between the peak knee joint power during the vertical jump and the slow velocity isokinetic tests. Higher isokinetic velocity tests show better relationships with the vertical jump but only if the correct method for joint power calculation is used in the isokinetic test. These findings suggest that there are important differences in muscle activation and knee joint power development that must be taken into consideration when isokinetic tests are used to predict jumping performance. 相似文献
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The paper discusses the use of systemic networks as a basis for the construction of a questionnaire. The subject of the questionnaire was teachers' views of the philosophy of science. It is argued that systemic networks have potential value in questionnaire construction in such problematic areas, offering help in dealing with both construct and face validity. The networks used, and the questionnaire based on them, were derived from an analysis of various philosophical positions. The analysis identified distinctions depicting the main philosophical differences, which were then represented in a network. The main systems described are inductivism, hypothetico‐deductivism (e.g., Popper, Lakatos), contextualism (e.g., Kuhn) and relativism (e.g., Feyerabend). Major distinctions turn on the issues of the unity of scientific method, criteria of demarcation, patterns of scientific change and the status of scientific knowledge. 相似文献
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This study was conducted to provide further information regarding factors associated with educational evaluation, using a qualitative approach. Fifty-five interviews were carried out with school principals. The results of the present study supported the notion that the qualitative methods could provide information that quantitative procedures could not. Additionally, the findings also provided useful information for solving problems in OEP implementation and enhanced decision-making by indicating points of the program that should be improved. 相似文献
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Anna Iossifidou Vasilios Baltzopoulos Giannis Giakas 《Journal of sports sciences》2013,31(10):1121-1127
The aim of this study was to examine joint power generation during a concentric knee extension isokinetic test and a squat vertical jump. The isokinetic test joint power was calculated using four different methods. Five participants performed concentric knee extensions at 0.52, 1.57, 3.14 and 5.23 rad?·?s?1 on a Lido isokinetic dynamometer. The squat vertical jump was performed on a Kistler force plate. Kinematic data from both tests were collected and analysed using an ELITE optoelectronic system. An inverse dynamics model was applied to measure knee joint moment in the vertical jump. Knee angular position data from the kinematic analysis in the isokinetic test were used to derive the actual knee angular velocity and acceleration, which, in turn, was used to correct the dynamometer moment for inertial effects. Power was measured as the product of angular velocity and moment at the knee joint in both tests. Significant differences (P <?0.05) were found between mean (?± s) peak knee joint power in the two tests (squat vertical jump: 2255?±?434W; isokinetic knee extension: 771?±?81W). Correlation analysis revealed that there is no relationship between the peak knee joint power during the vertical jump and the slow velocity isokinetic tests. Higher isokinetic velocity tests show better relationships with the vertical jump but only if the correct method for joint power calculation is used in the isokinetic test. These findings suggest that there are important differences in muscle activation and knee joint power development that must be taken into consideration when isokinetic tests are used to predict jumping performance. 相似文献
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We assessed autonomic nervous system modulation through changes in heart rate variability during an archery competition as well as archery performance by comparing novice and experienced adolescent archers. Seven novice (age 14.0 ± 8.5 years, body mass index 22.9 ± 4.3 kg · m(-2), training experience 0.4 ± 0.3 years) and ten experienced archers (age 16.5 ± 10.3 years, body mass index 22.4 ± 3.1 kg · m(-2), training experience 4.1 ± 0.9 years) volunteered. Using beat-by-beat heart rate monitoring, heart rate variability was measured for 20 s before each arrow shot during two rounds of competition. We found that, compared with novices, experienced adolescent archers: (i) take more time per shot; (ii) have a higher low frequency band, square root of the mean of squared differences between successive R-R intervals (i.e. the time elapsing between two consecutive R waves in the electrocardiogram), and percentage of successive normal-to-normal intervals greater than 50 ms; and (iii) demonstrate an increase in parasympathetic nervous system activity compared with pre-competition values. We propose that these characteristics of experienced archers are appropriate for optimal performance during competition. 相似文献
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Cross‐cultural Comparison of Gender Differences in Attitude towards Computers in Japan and Sweden[1]
Vasilios Makrakis 《Scandinavian Journal of Educational Research》2013,57(4):275-287
With the introduction and use of computers in schools, the study of gender differences in attitude towards computers becomes of particular interest. This article concerns the interaction of gender, culture and attitude in computers among Japanese and Swedish ninth‐grade school students. One of the major findings of this study is that most of the differences between the two countries are best explained by the country and the student gender variables. Accordingly, the culture and the society one lives in appears to be of greater importance in determining one's attitudes towards computers more than does, for example, the possession of a computer. The overall country effects are influenced more by the females in both countries than by males. 相似文献
9.
Vassilia?Hatzinikita Vasilios?KoulaidisEmail author Agapitos?Hatzinikitas 《Research in Science Education》2005,35(4):471-495
The explanations of thirty primary pupils for changes in matter were recorded through individual, semi-structured interviews.
The analysis of data pointed to the construction of a system for classifying pupils' explanations of changes in matter. A
parallel analysis of data focused on the identification and interpretation of associations between the explanatory categories
resulting from the classification, and certain variables of the context, that is (a) category of change to be explained, and
(b) familiarity with the system about which they were being questioned. The results of the two phases of the analysis were
combined with the findings of a previous study, to produce the formation of a limited number of pupils' models concerning
matter, changes in matter and their explanations. Pupils' models involve a variety of conceptions which could be attributed
to the presence of a conceptual obstacle: that is the “continuous and static conception of matter.” The definition of teaching
objectives in relation to obstacles (“obstacles as objectives”) can bring together pupils' conceptions with concepts to be
built and consequently to contribute to the design and evaluation of constructivist teaching and appropriate material. 相似文献
10.
The present study was designed to explore relations between implicit theories of intelligence, goal orientations, perceived competence, and school achievement. It was assumed that implicit theories of intelligence orient individuals toward particular goals, which in turn influence achievement behavior. Perceived competence was hypothesized to moderate the relationship between implicit theories, goal orientations and actual achievement. Subjects were 451 elementary and junior high school students. The results of Pearson product moment correlations and Path analysis show theoretically important intercorrelations that replicated previous research. Implicit theories were not related to academic achievement. Goal orientations had an indirect effect on achievement, which was mediated through perceived competence. Educational implications of these findings are discussed. © 2002 Wiley Periodicals, Inc. 相似文献