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Brie McDaniel 《欧洲教育》2017,49(2-3):201-202
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This study investigated how interaction with peers influenced the ways students managed uncertainty during collaborative problem solving in a 5th-grade class. The analysis focused on peer responses to individuals’ attempts to manage uncertainty they experienced while engaged in collaborative efforts to design, build, and program robots and achieve assignment objectives. Patterns of peer response were established through discourse analysis of work sessions for 5 teams engaged in 2 collaborative projects. Three socially supportive peer responses and 2 unsupportive peer responses were identified. Peer interaction was influential because students relied on supportive social response to enact most of their uncertainty management strategies. This study provides a useful theoretical contribution to understanding the roles of peer interaction in collaborative problem solving. Conceptualizing collaborative problem solving as a process of negotiating uncertainties can help instructional designers shape tasks and relational contexts to facilitate learning. 相似文献
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Katherine G. McDaniel Taylor Brown Caitlin C. Radford Cynthia H. McDermott Trudy van Houten Martha E. Katz Dana A. Stearns Sabine Hildebrandt 《Anatomical sciences education》2021,14(2):241-251
Anatomy education provides students with opportunities to learn structure and function of the human body, to acquire professional competencies such as teamwork, interpersonal skills, self-awareness, and to reflect on and practice medical ethics. The fulfillment of this wide potential can present challenges in courses that are part of an integrated curriculum and shorter than traditional courses. This new reality, together with students' increasing concern about the stresses within medical education, led to efforts at Harvard Medical School to implement practical steps toward an optimal learning environment in anatomy. These were based on core elements of ethical anatomy education and principles of trauma-informed care. Anatomy is conceptualized here as the “first clinical discipline,” with relational interactions between anatomical educators, medical students, and body donors/patients. Essential prerequisites for the implementation of this work were support by the medical school leadership, open partnership between engaged students and faculty, faculty coordination, and peer-teaching. Specific interventions included pre-course faculty development on course philosophy and invitations to students to share their thoughts on anatomy. Student responses were integrated in course introductions, combined with a pre-dissection laboratory visit, an introductory guide, and a module on the history and ethics of anatomy. During the course, team-building activities were scheduled, and self-reflection encouraged, for example, through written exercises, and elective life-body drawing. Students' responses to the interventions were overall positive, but need further evaluation. This first attempt of a systematic implementation of an optimal learning environment in anatomy led to the identification of areas in need of adjustment. 相似文献
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It is widely suggested that feedback on assignments is useful to students’ learning, however, little research has examined how this feedback may be provided in large classes or the actual effects of such a scheme. We designed and implemented a voluntary ‘earlybird scheme’ that provided detailed feedback to undergraduate Business students on a first draft of a literature review. We then evaluated the effect of this scheme on students’ final marks for the assignment, the scheme’s usage, and students’ perceptions of the scheme. We found that although the usage of the scheme was quite low, it increased the learning of the students who did use it. The most common reason for not using the scheme was a lack of time and, therefore, given the beneficial nature of the scheme overall, we suggest that future implementations include greater structure or a complementary time‐management workshop. 相似文献
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Barbara L. McCombs Mark A. McDaniel 《Educational technology research and development : ETR & D》1983,31(4):213-225
The effects of various alternative treatments (modules), designed to compensate for student differences in precourse memory
abilities (processing and retrieval skills) and motivation (anxiety, curiosity), were investigated for lessons differing in
content and task requirements. Performance on each module was compared to performance on the original (mainline) instructional
module for 63 to 171 students in the Air Force Advanced Instructional System’s inventory management course. Interaction analyses
on lesson times-to-criterion and criterion test scores indicated that the compensating treatments were partially effective
in improving the performance of low-memory or low-reading ability students, low-curious students, or high-anxious students.
Additional benefits that may be expected from an individualization approach that attempts to modify students’ cognitive and
affective learning strategies are discussed.
This research was supported by Air Force Human Resources Laboratory Contract F33615-73-C-4004. Requests for reprints should
be sent to Barbara L. McCombs, Denver Research Institute, Social Systems Research and Evaluation Division, University of Denver,
Denver, CO 80208. 相似文献
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This study explored relationship between students’ conscientiousness and motivation, their impressions of the online environment, and their learning. Also examined were relationships between their impressions of the online environment and their sense of community and their interactions with others. Questionnaires were completed by 84 students at a private college. Students who were more conscientious and intrinsically motivated had more favorable impressions of online courses. They were engaged, and perceived value in the course, and were less anxious or frustrated when taking online courses. Those students who perceived a sense of community, or social presence, also had more favorable impressions. These relationships and their implications are discussed. 相似文献
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Dexin Shi Christine DiStefano Heather L. McDaniel Zhehan Jiang 《Structural equation modeling》2018,25(6):924-945
This study examined the effect of model size on the chi-square test statistics obtained from ordinal factor analysis models. The performance of six robust chi-square test statistics were compared across various conditions, including number of observed variables (p), number of factors, sample size, model (mis)specification, number of categories, and threshold distribution. Results showed that the unweighted least squares (ULS) robust chi-square statistics generally outperform the diagonally weighted least squares (DWLS) robust chi-square statistics. The ULSM estimator performed the best overall. However, when fitting ordinal factor analysis models with a large number of observed variables and small sample size, the ULSM-based chi-square tests may yield empirical variances that are noticeably larger than the theoretical values and inflated Type I error rates. On the other hand, when the number of observed variables is very large, the mean- and variance-corrected chi-square test statistics (e.g., based on ULSMV and WLSMV) could produce empirical variances conspicuously smaller than the theoretical values and Type I error rates lower than the nominal level, and demonstrate lower power rates to reject misspecified models. Recommendations for applied researchers and future empirical studies involving large models are provided. 相似文献
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Andrea H. Hams Kerrie Evans Roger Adams Gordon Waddington Jeremy Witchalls 《Journal of sports sciences》2013,31(22):2588-2595
ABSTRACTWater polo players require a high level of upper-extremity strength, flexibility and coordination to achieve a peak level of throwing performance. Increased levels of shoulder proprioceptive acuity, strength and range of motion (ROM) have been previously associated with higher sporting performance. A coach-rating scale, used to quantify an athlete’s kicking proficiency in soccer; was adapted in the current study to measure each coach’s subjective expert opinion regarding athletes’ throwing mechanics, velocity, and accuracy. To examine this hypothesis shoulder proprioception acuity of 18 water polo players was measured both in-water and on-land using an AMEDA apparatus and correlated with coach-rated throwing performance and clinical measures of shoulder strength and ROM. There was a moderate positive correlation between the in-water and the on-land proprioception acuity (r = 0.47, p < 0.05). The in-water score showing a strong positive correlation with coach rated throwing mechanics (r = 0.68, p < 0.05) and velocity (r = 0.75, p = 0.02), suggesting that superior proprioception acuity contributed to fast, mechanically-efficient throwing. These findings support the notion that in-water proprioceptive acuity is an important determinant of the throwing performance achieved by water polo athletes and its measurement may be a valuable adjunct to current athlete screening. 相似文献