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1.
This study provides a glimpse into understanding the potential benefits as well as harm of playing video games from the perspective of six Malaysian secondary school students, aged 16-17 years old. The rationale of the study is to enable parents, educators, administrators and policy makers to develop a sound understanding on the impact of playing video games before making any judgment on the contemporary youth culture. Thus, further decision on the acceptance of video games as a new innovation in school or at home could be considered. Although this study is not very extensive, the findings suggest that playing video games contributes to cognitive, social, motivational and emotional development. However, potential harms do exist. Parents play an important role in guiding their children either directly or indirectly, as indicated by the respective students. Caution is advised in the interpretation of the study＇s findings as it is solely based on the perspectives of the students, as the first person＇s views. Nevertheless, each student has their very own perspective on the impact of video games on them.  相似文献   
2.
In the present study, attitudes of elementary school teachers toward different types of bullying (verbal, physical, and relational) were investigated. Six written vignettes describing all types of bullying were given to 405 elementary school teachers (F = 218; M = 187). Results indicated that teachers perceived relational bullying, specifically, social exclusion, less serious than verbal and physical bullying. Unlike previous findings, however, the teachers considered verbal bullying behaviors more serious than physical bullying behaviors and were also more empathetic toward the victim physically bullied and the victim verbally bullied than the victim relationally bullied. Coherent with the findings of empathy, they were also more likely to intervene in verbal and physical bullying behaviors than relational bullying behaviors. Gender of the participant was a significant factor for all variables. The most rated intervention strategy was having a serious talk with the bully, regardless of the type of victimization. Multiple regression analysis illustrated that seriousness and empathy scores both predicted the need for intervention scores significantly in all types of bullying. The findings of this study highlight the importance of increasing teachers’ awareness and knowledge about all types of bullying, their consequences, and intervention skills to lessen bullying behaviors.  相似文献   
3.
While the achievement gap in science exists in the US, research associated with our investigation reveals some high school science programs serving diverse student bodies are successfully closing the gap. Using a mixed methods approach, we identified and investigated ten high schools in a large Southwestern state that fit the definition of “highly successful, highly diverse”. By conducting interviews with science liaisons associated with each school and reviewing the literature, we developed a rubric identifying specific characteristics associated with successful science programs. These characteristics and practices included setting high expectations for students, providing extensive teacher support for student learning, and utilizing student-centered pedagogy. We used the rubric to assess the successful high school science programs and compare them to other high school science programs in the state (i.e., less successful and less diverse high school science programs). Highly successful, highly diverse schools were very different in their approach to science education when compared to the other programs. The findings from this study will help schools with diverse students to strengthen hiring practices, enhance teacher support mechanisms, and develop student-focused strategies in the classroom that increase science achievement.  相似文献   
4.
Recent studies have found short in-service teacher education programs are not providing adequate technology experiences to prepare their participants for teaching mathematics with computers. As an alternative to the short-term courses the author has been teaching a two-term mandatory undergraduate course within a mathematics teacher education program since 1995 to train student teachers and to investigate their perceptions on their preparation to use computers in their own teaching. This article describes issues that emerged from the analysis of this undergraduate course. Data were gathered through questionnaires and students' writings about the course activities. Findings indicated that computer literacy appeared to be an important key factor in utilising the course activities successfully. Students who felt prepared made the link between computer-based mathematical activities and school mathematics, and had more experience of using instructional software during the course than others. Findings of this nature can also assist teacher educators as they incorporate information technology into existing pre-service programs. The implications of these results for the designing and implementing of computer-based undergraduate courses and for further research in this field are discussed.  相似文献   
5.

Objective

This study aims to investigate the degree of biocompatibility and neuroregeneration of a polymer tube, poly-3-hydroxyoctanoate (PHO) in nerve gap repair.

Methods

Forty Wistar Albino male rats were randomized into two groups: autologous nerve gap repair group and PHO tube repair group. In each group, a 10-mm right sciatic nerve defect was created and reconstructed accordingly. Neuroregeneration was studied by sciatic function index (SFI), electromyography, and immunohistochemical studies on Days 7, 21, 45 and 60 of implantation. Biocompatibility was analyzed by the capsule formation around the conduit. Biodegradation was analyzed by the molecular weight loss in vivo.

Results

Electrophysiological and histomorphometric assessments demonstrated neuroregeneration in both groups over time. In the experimental group, a straight alignment of the Schwann cells parallel to the axons was detected. However, autologous nerve graft seems to have a superior neuroregeneration compared to PHO grafts. Minor biodegradation was observed in PHO conduit at the end of 60 d.

Conclusions

Although neuroregeneration is detected in PHO grafts with minor degradation in 60 d, autologous nerve graft is found to be superior in axonal regeneration compared to PHO nerve tube grafts. PHO conduits were found to create minor inflammatory reaction in vivo, resulting in good soft tissue response.  相似文献   
6.
The study compared the effects of dynamic geometry software and physical manipulatives on the spatial visualisation skills of first‐year pre‐service mathematics teachers. A pre‐ and post‐test quasi‐experimental design was used. The Purdue Spatial Visualisation Test (PSVT) was used for the pre‐ and post‐test. There were three treatment groups. The first group (n = 34) used Dynamic Geometry Software (DGS) Cabri 3D as a virtual manipulative and the second group (n = 32) used physical manipulatives. In the control group (n = 30), the students received traditional instruction. The results of the study showed that physical manipulatives and DGS‐based types of instruction are more effective in developing the students' spatial visualisation skills than traditional instruction. In addition, students in the DGS‐based group performed better than the physical manipulative‐based group in the views section of the PSVT.  相似文献   
7.
ABSTRACT

The authors find justification for integrating science, technology, engineering, and mathematics (STEM) in the complex problems that today's students will face as tomorrow's STEM professionals. Teachers with individual subject-area specialties in the STEM content areas have limited experience in integrating STEM. In this study, the authors investigated the conceptual changes of secondary school teachers teaching domain-specific STEM courses after a week-long professional development experience integrating earthquake engineering and domain-specific concepts. They documented and then triangulated outcomes of the experience using participating teachers' concept maps and teacher-generated written materials, respectively. Statistical comparisons of participants' concept maps revealed significant increases in their overall understanding of earthquake engineering and more accurate linkages with and among science domain-specific concepts. Content analyses of teachers' learning products confirmed the concept map analysis and also provided evidence of transfer of workshop learning experiences into teacher-designed curriculum products accurately linking earthquake engineering and domain-specific STEM content knowledge.  相似文献   
8.
The main aim of the study was to evaluate trainee teachers working commitment in their teaching practicum. There were seven component teaching practices and eleven demographic factors. The instrument of the study was extracted from various sources to suit the research design based on Units, Treatments, Observing, and Surveying （UTOS） model modification. The reliability index obtained for both research instruments were reasonably good ranging from 0.7030 to 0.9053. A total of 276 trainee teachers who were doing their practical teaching in one of the state in Malaysia （Kelantan）. Stratified random sampling was used. They made their self-assessment by using the working commitment instrument. At the same time, their teaching processes were guided through conferences, observations and finally evaluations to get their comparative scores of teaching performance. The data were analyzed by using statistical multiple regression at significant ofp 〈 0.05. As a result, a linear equation of trainee teachers＇ commitment comprises contribution of work load, work satisfaction, study opportunities, teachers＇ prospect, marital status, teaching practices, planning and preparation teaching procedure, and religious studies. Furthermore the findings of this study led to some suggestions for future teachers development and become more efficient and adaptive.  相似文献   
9.
The purpose of this study was to examine changes in the quality of science teachers’ argumentation as a result of their engagement in a teacher workshop on earthquake engineering emphasizing distributed learning approaches, which included concept mapping, collaborative game playing, and group lesson planning. The participants were ten high school science teachers from US high schools who elected to attend the workshop. To begin and end the teacher workshop, teachers in small groups engaged in concept mapping exercises with other teachers. Researchers audio-recorded individual teachers’ argumentative statements about the inclusion of earthquake engineering concepts in their concept maps, which were then analyzed to reveal the quality of teachers’ argumentation. Toulmin’s argumentation model formed the framework for designing a classification schema to analyze the quality of participants’ argumentative statements. While the analysis of differences in pre- and post-workshop concept mapping exercises revealed that the number of argumentative statements did not change significantly, the quality of participants’ argumentation did increase significantly. As these differences occurred concurrently with distributed learning approaches used throughout the workshop, these results provide evidence to support distributed learning approaches in professional development workshop activities to increase the quality of science teachers’ argumentation. Additionally, these results support the use of concept mapping as a cognitive scaffold to organize participants’ knowledge, facilitate the presentation of argumentation, and as a research tool for providing evidence of teachers’ argumentation skills.  相似文献   
10.
ABSTRACT

We develop the concept of methods as ‘forces of subjectivation’ in relation to experiments we have encountered in a study of government methods for generating official population statistics. These experiments problematise the subjects of traditional methods based on paper questionnaires and offer new digital technologies and data sources as possible solutions. We reflect on these experiments in relation to recent work on sociological and digital research methods as inventive and live. What this work identifies in relation to questions of research methods we take up to think about government methods in two ways. One concerns how government method experiments offered as solutions to problematic subjects, once put into action, change initial problem formulations and are inventive of new ones. Secondly, they are also inventive of their subjects who do not pre-exist but come into being through the agential capacities that methods configure. Both aspects of methods, we argue, are the result of the interactions and dynamics between human and technological actors, the outcomes of which cannot be settled in advance.  相似文献   
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