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41.
Eva Thanheiser Dana Olanoff Amy Hillen Ziv Feldman Jennifer M. Tobias Rachael M. Welder 《Journal of Mathematics Teacher Education》2016,19(2-3):123-148
Mathematical task design has been a central focus of the mathematics education research community over the last few years. In this study, six university teacher educators from six different US institutions formed a community of practice to explore key aspects of task design (planning, implementing, reflecting, and modifying) in the context of comparing fractions using reasoning and sense-making. By presenting results of their implementation of two tasks with 63 prospective elementary teachers across three institutions and their reflective analysis of the implementation, the authors highlight the importance of collecting and analyzing data and reflecting on this analysis to inform the redesign of tasks. The authors also found that considering different types of tasks (problem solving vs. problem posing) helps illuminate different aspects of prospective elementary teachers' understanding, which can inform task redesign. Finally the authors contribute to the knowledge base on reasoning strategies for comparing fractions and prospective elementary teachers’ knowledge of these strategies. 相似文献
42.
Michael Schön Konrad Steinestel Doreen Spiegelburg Annika Risch Mira Seidel Leon Schurr Ulrich Kai Fassnacht Nikola Golenhofen Tobias Maria Böckers Anja Böckers 《Anatomical sciences education》2022,15(1):89-101
Scientific competencies, as defined in the German competency framework, describe the ability to think independently and act scientifically which is a central component of medical education. This report describes integration of scientific competencies into anatomical teaching. Based on findings seen in two consecutive years of dissection courses, students worked on either a case report (n = 70) or an original research study (n = 6) in the format of a scientific poster while learning to use primary literature. Posters were evaluated by juror teams using standardized evaluation criteria. Student perception of the project was assessed by quantitative and qualitative data obtained from the faculty's course evaluation and an online-survey. Overall, students worked collaboratively and invested extra-time (median 3.0 hours) in poster creation. Primary literature was integrated in 90.8% of the posters. Overall poster quality was satisfactory (46.3 ± 8.5 [mean ± standard deviation] out of 72 points), but several insufficiencies were identified. Students integrated information gained from the donor's death certificate, post-mortem full-body computed tomography (CT) scan (22.4%), and histopathological workup (31.6%) in their case reports. Students responded positively about learning new scientific skills (median 4.0 on a six-point Likert scale), but free-text answers revealed that some students experienced the project as an extra burden in a demanding gross anatomy course. In summary, it was feasible to introduce students to scientific skills during the dissection course and to increase interest in science in approximately a third of the survey respondents. Further adjustments to ensure the posters' scientific quality might be necessary for the future. 相似文献
43.
Julia Iaconisi Friederike Hasselblatt Benjamin Mayer Michael Schoen Tobias Maria Böckers Anja Böckers 《Anatomical sciences education》2019,12(4):386-398
While most German anatomy institutes provide only limited information about body donors and their lives, students have expressed a desire to learn more about these individuals, especially about their motivations to donate their bodies for the sake of medical education. In order to gratify this wish, as well as to further humanize body donors, an educational film was compiled, and a study designed to capture the film's effects on medical students. This is the first study using standardized, validated psychological tools to evaluate the impact of an educational film about body donors on students’ empathy and psychological stress levels. The study followed a longitudinal, controlled, and cluster randomized design, including 77 (48 females/29 males) participants who watched the video either before, midway, or after the dissection course. Questionnaires were completed at four points in time applying the Jefferson Scale for Empathy (JSPE-S) and the Interpersonal Reactivity Index (IRI) to measure empathy. Psychological stress levels were recorded by the Brief Symptom Inventory (BSI). Overall, students recommended the film to be shown to all students (median 6.0; maximum on the six-point Likert scale). Viewing the film revealed no significant changes between study groups or over time in JSPE-S sum scores. All groups demonstrated a significant reduction of BSI values before the dissection course actually started and increased values during the course, but both developments appeared not to be associated with the intervention. Overall, the educational film did not correlate with any negative effects on students’ empathy and psychological stress levels, and it was strongly approved of by students, as it provided more humanizing personal information about body donors without violating their anonymity. 相似文献
44.
Improving near‐peer teaching quality in anatomy by educating teaching assistants: An example from Sweden 下载免费PDF全文
Ellen Johansson Tobias E. Holmin Bengt R. Johansson Magnus Braide 《Anatomical sciences education》2018,11(4):403-409
Peer‐assisted learning has gained momentum in a variety of disciplines, including medical education. In Gothenburg, Sweden, medical students who have finished their compulsory anatomy courses have the option of working as teaching assistants (TAs). Teaching assistants provide small group teaching sessions as a complement to lectures given by faculty. Previously, TAs were left to handle the role as junior teachers by themselves, but since 2011, a continuation course in anatomy has been developed with the aim of providing the TAs better anatomy knowledge and guidance for teaching. The course was designed to comprise 7.5 ECTS credits (equivalent to 5 weeks of full‐time studies), and today all TAs are required to take this course before undertaking their own teaching responsibilities. This study aims to compare course evaluations of TA teaching before and after the introduction of the anatomy continuation course, in order to understand how students perceived teaching performed by self‐learned versus trained TAs. The results of this study demonstrate that there was a trend towards better teaching performed by trained TAs. The variability in rankings decreased significantly after the introduction of the continuation course. This was mainly due to an improvement among the TAs with the lowest levels of performance. In addition to comparing student rankings, TAs were interviewed regarding their experiences and perceptions within the continuation course. The course was generally positively regarded. The TAs described a sense of cohesion and appreciation since the institute invested in a course dedicated specifically for them. Anat Sci Educ 11: 403–409. © 2018 American Association of Anatomists. 相似文献
45.
46.
Robert Tobias 《International Journal of Lifelong Education》2013,32(5):418-429
In common with many other countries, the 1980s and early 1990s in New Zealand were years of considerable upheaval. The welfare state along with many democratic institutions was under attack from the forces of multinational capital. This article reports some findings from a largescale study investigating the impact of these changes on the provision of education and training opportunities for adults as well as possible effects of some of these programmes on wider policies and practices. It is hoped that the study will contribute to greater understanding of the complex relationships between the ‘curriculum’ of adult learning and education and wider social, economic and political forces. This article focuses exclusively on adult education programmes for active citizenship, i.e. programmes explicitly intended to promote, inform, analyse, critique, challenge, or raise public consciousness about public policies and issues. It investigates the nature and extent of the contributions of educational institutions and voluntary organizations to adult and community education for active citizenship. The findings suggest that from one perspective adult education for active citizenship was alive and well in the late 1980s and early 1990s. The period saw an increase in the number of social movements and ‘non-educational’ voluntary organizations and groups engaged in adult education for active citizenship. Much of this drew on progressive or radical democratic traditions. From another perspective the position was by no means as positive. Educational institutions varied widely in their commitment to adult education for active citizenship. Most institutions, drawing on conservative and pragmatic traditions, demonstrated little commitment, while those that were involved drew on liberal traditions. These traditions, grounded in discourses that de-politicized education, reinforced the boundaries between adult education and political action and thus served to legitimate the neo-liberal ideologies. 相似文献
47.
Tobias Rohatsch Gerhard P?ppel und Heinrich Werner 《Informatik - Forschung und Entwicklung》2002,17(2):53-59
Zusammenfassung. Die moderne und hoch komplexe Fertigung, z.B. in der Halbleiterindustrie, erfordert für die dabei anfallenden Messdaten der
Anlagen- bzw. Prozessparameter multivariate Analysemethoden. Eine dieser m?glichen Analysemethoden ist Projection Pursuit
(PP). Dieses Verfahren ist durch geschickte Wahl des so genannten Projektionsindex in der Lage, verschiedenste Datencharakteristika
zu detektieren und diese auf anschauliche Weise zu visualisieren. Bei den Projektionsindizes handelt es sich um Funktionen,
die eine Projektion auf unterschiedliche Merkmale hin bewerten und dabei jeder Projektion einen Funktionswert zuweisen. Dieser
Funktionswert spiegelt die Aussagekraft der Projektion (in Abh?ngigkeit vom verwendeten Index) wider. Die Auswahl bzw. der
Aufbau dieser Indizes ist hierbei von entscheidender Bedeutung. Alle hier vorgestellten Indizes zeichnen sich vor allem durch
ihren robusten Charakter gegenüber durch Ausrei?er kontaminierte Daten, wie sie in realen Datenszenarien vorkommen, aus. Die
durch Anwendung dieser Indizes gewonnenen Einblicke in die komplexe Struktur der Daten erm?glichen es, hochdimensionale Parameterabweichungen
und komplexe Zusammenh?nge innerhalb der Daten zu finden.
Eingegangen am 11. Februar 2002 / Angenommen am 14. Mai 2002 相似文献
48.
Dipl.-Gwl. Stephan Abele Dr. Samuel Greiff Tobias Gschwendtner Sascha Wüstenberg Reinhold Nickolaus Alexander Nitzschke Joachim Funke 《Zeitschrift für Erziehungswissenschaft》2012,15(2):363-391
This article is about the importance and validity of dynamic problem solving (DPS) in predicting technical problem solving performances. In addition to DPS, fluid intelligence and technical knowledge were included in the study. Assessing DPS and fluid intelligence simultaneously also allowed for testing the empirical distinction between both constructs. Results are based on data of a sample of car mechatronics (n?=?129) and electronics technicians (n?=?88) and showed that DPS and fluid intelligence were empirically separable. In the first sample (electronics technicians) DPS explained technical problem solving performance best, although fluid intelligence showed incremental validity too. In the second sample (car mechatronics) fluid intelligence was weakly related to the criterion whereas DPS was not at all. When technical knowledge was added to the prediction, both DPS and fluid intelligence did not predict technical problem solving performance. However, in the sample of the electronics technicians fluid intelligence indirectly affected the criterion through technical knowledge. A discussion of the somewhat contradictory results, the different results patterns in the two samples and a theoretical explanation of the results are provided. 相似文献
49.
Frank Lipowsky Tobias C. Stubbe Caroline Theurer Gabriele Faust 《Zeitschrift für Erziehungswissenschaft》2018,21(5):897-927
The number of students enrolled in private schools has been growing continuously in the past years, especially in elementary schools. There is a variety of reasons for this development. Among other expectations, parents anticipate a superior education for their children and hope for bigger academic success. However, empirical results on the effectiveness of private schools are inconsistent and ambiguous, partly because many studies used cross-sectional data. Longitudinal studies investigating the development of elementary school students are especially lacking.The present study compares academic achievement gains of students enrolled in public schools to students who learned in the so-called BIP-creativity elementary schools. BIP schools are private schools that aim to promote the development of the talent, intelligence and personality of their students. This study investigates the development of students in mathematics, reading and orthography over a 4-years period.As the group of BIP-students is selected in terms of their socio-economic background, analyses were run in two ways. First, multilevel analyses controlling for student and class characteristics were performed. Second, a Propensity Score Matching based on school enrollment data was used in order to select a comparable group of students from public schools. Each BIP-student was matched to a student from the public schools that had a comparable socio-economic background and similar cognitive characteristics. Neither multilevel analyses nor mean comparisons of the matched samples could reveal any differences between the two groups of students in the three domains of academic achievement at the end of fourth grade. 相似文献
50.
An extension of two confirmatory factor models for multitrait-multimethod measurement designs with structurally different methods to the analysis of latent interaction effects is presented: the nonlinear latent difference (NL-LD) model and the nonlinear correlated trait–correlated method-minus-one (NL-CTC[M – 1]) model. Both models are compared with regard to (a) the psychometric definition of the latent variables, (b) the capabilities of explaining latent method effects, and (c) the analysis of latent interaction effects. Using the latent moderated structural equation approach, we show how moderated method effects can be examined in the NL-CTC(M – 1) model. This fine-grained analysis of method effects is not feasible using the classical NL-LD model. We propose an extended version of the NL-LD model, which recovers the results of the NL-CTC(M – 1) model. The different versions of the nonlinear multimethod models are illustrated using real data from a multirater study. Finally, the advantages and challenges of incorporating latent interaction effects in complex CFA–MTMM models are discussed. 相似文献