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1.
The rapid development of ICT (information technology and communication) in the last two decades has changed society substantially as a whole. For higher education institutions, the external environment pressure to incorporate ICT in their educational and administrative processes has forced them to invest in resources for infrastructure and training. In addition, teachers have found that they can use technology in their teaching, but lack of full knowledge of how to use it effectively from a pedagogical point of view. The incorporation of new education modalities depends largely on the contextual variables prevailing in the institution and teachers. In UABC (Autonomous University of Baja California), the early days of online education go hack to 1996, so the study period was from 1996 to 2009. An online survey was designed to fmd out the teachers' backgrounds and involvement in online education, their experience as online teachers, and the tools and practices used. Of 97 teachers who were identified with some experience in online teaching, 70% responded to the Survey (68). It was found that the highest percentage (33%) of teachers who responded the survey started teaching online between 2003 and 2006. 56% of teachers have been teaching between one and five online courses. On the other hand, most teachers recognized that 30%-79% of the content of their courses were online based. The most popular learning management system used is moodle followed by blackboard in teachers' preference. In general, teachers expressed using the three main communication tools of online education: forums, chat and e-mail, favoring the use of e-mail. The communication slrategies teachers often use in their courses promoted student-student and student-teacher interaction. In their evaluation strategies, most said that they used self-assessment, rubrics and to a lesser extent online exams and co-evaluation. The results show that most teachers who have been involved in online education in UABC campus have expressed havi  相似文献   
2.
The purpose of this study was to propose and test a motivational model of persistence in science education. The model posits that science teachers’ support of students’ autonomy positively influences students’ self-perceptions of autonomy and competence. These self-perceptions, in turn, have a positive impact on students’ self-determined motivation toward science which leads to their intentions to pursue science education and eventually work in a scientific domain. This model was tested with high school students (n=728). Results from univariate analyses of variance and from structural equation modeling analyses (with LISREL) were found to support the proposed model. In addition, a direct link was obtained between perceptions of competence and intentions to pursue a science education, indicating that higher levels of perceived competence predicted higher levels of persistence intentions. The present findings support Self-Determination Theory and open the way to future research from a motivational approach in this area.  相似文献   
3.
ABSTRACT

This project examined the interrelationships between power production and upper body kinematics during a series of medicine ball push-press (MBP-P) throws. Twenty-five regular weight trainers (body mass = 86 ± 10 kg) performed a series of ballistic vertical MBP-P throws at loads representing 5% and 10% of their assessed 5RM bench press. Throws were performed lying supine on a force platform (1 kHz) with upper body kinematics assessed using standard infra-red motion capture techniques (0.5 kHz). Gross measures of performance and power production such as peak vertical ball velocity (Velpeak), peak force (Fpeak) and power (Ppeak) were recorded during the propulsive phase of the movement. Comparative analyses indicated that despite significant reductions in Velpeak from the 5% to 10% loads (P < 0.001), Fpeak remained largely unchanged (P = 0.167). Analysis of inter-trial variability showed that the gross measures of performance and power were relatively stable (Coefficient of Variation [CV%] <13%), while most upper limb segmental kinematics varied considerably between trials (CV% up to 70%). This project highlights the complexity of the relationships between power production and upper body kinematics during light load ballistic MBP-P throwing. Additionally, it shows how trained athletes can achieve similar outcomes during ballistic movements using a variety of movement strategies.  相似文献   
4.
The aim of the current study is to assess school leaders’ perceptions and practices in the context of a new policy that emphasizes teacher evaluation. The study draws from survey data of 606 K-12 school leaders in the USA in a state implementing a new teacher evaluation model under Race to the Top. Findings illustrate that school leaders spent significant time on teacher evaluation. Some felt this was a good investment of time (e.g., rich conversations with teachers), increasing the ability for evaluations to improve instruction. Most, however, perceived the time demands as a cost (e.g., spending longer hours on the job, delegating more tasks to others). School leaders felt very confident in their ability to conduct observations and provide feedback to teachers. The opposite was found for student achievement data. Administrators’ reported preparedness, confidence, and beliefs suggest that barriers exist to using student achievement data to evaluate teachers. Findings suggest that school leaders need resources to build capacity, particularly in accommodating the new time demands of teacher evaluation. Administrators could benefit from professional development that addresses the use and value of student achievement if this measure continues to be a substantial component in teacher evaluation models.  相似文献   
5.
The purpose of the present research was to test the applicability of the Dualistic Model of Passion (Vallerand et al., 2003) to being a sport (football) fan. Three studies provided support for this dualistic conceptualization of passion. Study 1 showed that harmonious passion was positively associated with adaptive behaviours (e.g. celebrate the team's victory), whereas obsessive passion was positively associated with maladaptive behaviours (e.g. risking losing one's job to go to a game). Study 2 used a short Passion Scale and showed that harmonious passion was positively related to the positive affective life of fans during the 2006 FIFA World Cup, psychological health (self-esteem and life satisfaction), and public displays of adaptive behaviours (e.g. celebrate the team's victory into the streets), whereas obsessive passion was predictive of maladaptive affective life (e.g. hating opposing teams' fans) and behaviours (e.g. mocking opposing teams' fans). Finally, Study 3 examined the role of obsessive passion as a predictor of partner's conflict that in turn undermined partner's relationship satisfaction. Overall, the present results provided support for the Dualistic Model of Passion. The conceptual and applied implications of the findings are discussed.  相似文献   
6.
7.
Constructing knowledge in the context of BioWorld   总被引:1,自引:0,他引:1  
BioWorld is a computer learning environmentdesigned for high school biology students. BioWorldcomplements the biology curriculum by providing ahospital simulation where students can apply what theyhave learned about body systems to problems where theycan reason about diseases. Students workcollaboratively at collecting evidence to confirm orrefute their hypotheses as they attempt to solveBioWorld cases. The present study examined students'use of BioWorld to solve problems related to thedigestive system. Analyses of student actions andverbal dialogue were conducted to pinpoint the typesof features within BioWorld that were most conduciveto learning and scientific reasoning. An exploratoryanalysis of the types of assistance provided tostudents by a teacher, researcher, and BioWorld alonewas conducted to examine how scaffolding influencedstudent actions.  相似文献   
8.
The case study examined two groups of grade 7 students as they engaged in four inquiry phases: posing a question and collecting, analyzing, and representing data. Previous studies reported analyses of statistical reasoning on a single inquiry phase. Our goal was to identify the modes of statistical reasoning displayed during group discussions in all phases as children designed and conducted their own inquiry. A content analysis of audio and video recorded discussions yielded 10 statistical reasoning modes: six relate to Garfield and Gal’s [Garfield, J., Gal, I. (1999). Teaching and assessing statistical reasoning. In L. V. Stiff, & F. R. Curcio (Eds.), Developing mathematical reasoning in grades K-12. 1999 Yearbook (pp. 207–219). Reston, VA: National Council of Teachers of Mathematics] statistical reasoning types involved in the collection, analysis, and representation of data and four modes deal with an aspect of inquiry not exclusively focused upon in the literature on statistical reasoning—i.e., the problem-posing phase. Although students’ reasoning reflected an incomplete understanding of statistics they serve as building blocks for instruction.  相似文献   
9.
坚持下去     
英文歌也是绝佳的英语学习材料。每一首歌都是一首优美的诗,都能给你不一样的感觉。而一首经典的歌曲可以很容易让人记住,这对英语学习来说是非常有益的。这首Keep Holding On(坚持下去)是今年热映的魔幻大片《龙骑士》的主题曲,扣人心弦的旋律、催人奋进的歌词,不仅可以提高你的英语能力,更能给你人生的启迪。  相似文献   
10.
ABSTRACT

This article reviews Rosenthal and Jacobson’s (1968) seminal study, Pygmalion in the Classroom (PC). We consider what preceded PC, the actual study, immediate criticisms of it, Rosenthal’s reactions to the criticism, and, importantly, the research that followed PC from 1968 to roughly 1990. Despite critical criticisms of it, we conclude that PC had a tremendous impact because it stimulated researchers to study expectation effects in the classroom that established that some teachers do form and communicate differential expectations to their students and that some students internalise these expectations in ways that manifest in their actual performance. The research that followed PC has yielded rich concepts and findings that are relevant for theory, practice, and social policy.  相似文献   
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