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91.
Rodrigo Ramirez-Campillo Javier Sanchez-Sanchez Blanca Romero-Moraleda Javier Yanci Antonio García-Hermoso Filipe Manuel Clemente 《Journal of sports sciences》2020,38(13):1475-1487
ABSTRACT To assess the effects of plyometric jump training (PJT) in female soccer player’s vertical jump height, a review was conducted using the data sources PubMed, MEDLINE, Web Of Science and SCOPUS. Only peer-review articles were included. To qualify for inclusion in the meta-analysis, studies must have included (i) a PJT programme of at least 2 weeks, (ii) cohorts of healthy female soccer players with no restriction for age, (iii) a control group, (iv) a measure of countermovement jump (CMJ). The inverse variance random-effects model for meta-analyses was used. From 7,136 records initially identified through database searching, 8 were eligible for meta-analysis, comprising 9 training groups (n = 99) and 9 control groups (n = 94). The magnitude of the main effect was moderate (ES = 1.01 [95%CI = 0.36–1.66], Z = 3.04, p = 0.002). Sub-group analyses were performed (i.e., PJT frequency, duration and total number of sessions), revealing no significant subgroup differences (p = 0.34–0.96). Among the studies included in this review, none reported injury or other adverse effects. In conclusion, PJT is effective in female soccer players for the improvement of vertical jump height. In future, research must identify specific dose–response relationships following PJT, particularly in the long term. 相似文献
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94.
Anna Llongueras-Aparicio Juan Antonio Casas-Pardo 《Educational Philosophy and Theory》2019,51(10):1042-1050
The aim of this paper is to explore the identity of the teacher as a dialectical being that is in permanent construction, to identify some obstacles teachers might find in this process while operating in an institutional framework, and the effects these could have upon the teacher and the goals she pursues with her students. By ruling out the idea of identity as an autonomous self that can be constructed with no ties with its context, we propose that identity is dialogical and is built through the relationships we establish with others. This fact situates the relationship between the student and the teacher at the center of pedagogical practices and allows us to establish the ideas of teacher presence and integrity as central elements for the moral development of students. In this context, we identify the excessive institutionalization of the role of the teacher as a cause for the reduction of identity and a defensive retreat to the possible outcomes of being judged by strictly formal criteria, which in turn can hinder the relation between student and teacher and risks possible negative consequences in the moral growth of both. 相似文献
95.
Antonio J. Hidalgo I.E.S. San Fernando I.C.E. José Otero 《International Journal of Science Education》2013,35(7):845-857
This paper addresses the concept of geological time as used by students who face tasks that demand three types of skills: to locate events in time, to order them according to time calendar, and to manage time intervals. The empirical study consisted of asking high school students as well as technical school students to carry out tasks that required the use of the three previously mentioned components. It was found, first, that students frequently used erroneous temporal labels, which shows a lack of knowledge that would allow them to locate events within the context of geobiologic data. Second, the students did not store the representation of a succession of events, but were nevertheless able to create it by means of the deductive use of previous knowledge. Finally, the importance of having an appropriate representation of geological time intervals became patent while observing the students' difficulties in understanding geologic changes. 相似文献
96.
Raquel Magidin de Kramer Jessica Masters Laura M. O'Dwyer Sheralyn Dash Michael Russell 《The Teacher Educator》2013,48(3):236-259
Online professional development (OPD) has potential to improve teacher quality by improving teachers' knowledge and instructional practices. These changes, in turn, have potential to improve student achievement. Unfortunately, there is a dearth of scientific research on the effects of OPD on teachers and, more importantly, on students. This article presents the results of a randomized controlled trial exploring the effects of a series of three learning-community model OPD workshops on teachers' content knowledge, teachers' instructional practices, students' content knowledge, and students' practices in the context of seventh-grade English language arts. There were statistically significant effects on teachers' vocabulary and overall English language arts content knowledge and on vocabulary and writing practices. The effect sizes of these changes ranged from small to medium. There were statistically significant effects on students' reading comprehension practices. 相似文献
97.
Gabriela Gonçalves Lily A. Arasaratnam-Smith Natércia Rodrigues Raquel Carvalheiro 《Journal of Intercultural Communication Research》2020,49(3):242-262
ABSTRACT This article explores the psychometric validation of an Intercultural Communication Competence (ICC) scale. Three studies were performed: (1) psychometric evidence pertaining to the scale’s reliability and factor structure and an analysis of the measurement invariance; (2) assessment of convergent and predictive validity; and (3) analyzes the association between ICC and affective and cognitive dimensions of cultural empathy. A three-factor model with eight items yielded the best fit to the data. The scale showed non-invariance between genders, but proved to be a predictor of intercultural contact. Convergent validity were demonstrated. 相似文献
98.
Caito André Kunrath Fábio Yuzo Nakamura André Roca Antonio Tessitore Israel Teoldo Da Costa 《Journal of sports sciences》2020,38(15):1818-1828
ABSTRACT
Objectives
We examine how mental fatigue (MF) influences peripheral perception, tactical behaviour, and physical performance of soccer players during a standardized small-sided game. 相似文献99.
100.
Raquel Barata Paula Castro Maria Amélia Martins-Loução 《Environmental Education Research》2017,23(9):1322-1334
This study tested the influence of both environmental education (EE) and commitment interventions among teenagers for promoting energy and water conservation at home. Conservation behaviours were measured in two ways – directly and through questionnaires – prior to and after the interventions. Results indicate (1) EE participants may have saved more energy than non-participants and (2) those signing a public commitment saved more energy and water than those who did not. Results from the questionnaire measures demonstrated the importance of EE for promoting ecological self-identity and a personal norm for energy conservation. Based on these results the use of commitment interventions in EE initiatives for promoting conservation behaviours among teenagers is proposed. 相似文献