Internet in Yemen: Problems and Prospects (A Case Study)

The Internet has caught the public in its expanding web. It is beginning to reshape other media and is now making its way into countries all over the world including developing countries. Yemen, as a developing country, introduced Internet services in September 1996. The present study attempts to evaluate Internet services in Yemen from inception up to the end of 1998. The study also hopes to find, among other things, how well and how widely the Internet is used in Yemen and to what extent Yemen can benefit from it, and how Yemen participates in the information highway. A questionnaire was used as a tool for collecting data. The homepages hosted at the Tele-Yemen (ISP) Server were scanned and certain criteria were used for their evaluation. The study was able to pinpoint the problems faced by Yemeni users of the Internet, the constraints confronting its diffusion in Yemen and the profits gained by subscribers. The study came up with several suggestions and recommendations that the two authors hope will provide a basis for assessing the prospects for the future of the Internet in Yemen.     

“It-Getting” in the Colbert Nation Online Forum

Previous experimental research that has found that college students exposed to a clip of the popular Comedy Central program entitled The Colbert Report were unable to distinguish its satirical intent from its stated content. To further investigate whether the show's viewers consume The Colbert Report as a satire of conservative television or construe it as a sincere expression of conservative sentiment, the present study examines the content of the program's online discussion forum. Forum posts reflect a diversity of responses to Stephen Colbert and The Colbert Report, many of them recognizing the ironic qualities of the show and its host.     

Isolation of cells for selective treatment and analysis using a magnetic microfluidic chip

This study describes the development and testing of a magnetic microfluidic chip (MMC) for trapping and isolating cells tagged with superparamagnetic beads (SPBs) in a microfluidic environment for selective treatment and analysis. The trapping and isolation are done in two separate steps; first, the trapping of the tagged cells in a main channel is achieved by soft ferromagnetic disks and second, the transportation of the cells into side chambers for isolation is executed by tapered conductive paths made of Gold (Au). Numerical simulations were performed to analyze the magnetic flux and force distributions of the disks and conducting paths, for trapping and transporting SPBs. The MMC was fabricated using standard microfabrication processes. Experiments were performed with E. coli (K12 strand) tagged with 2.8 μm SPBs. The results showed that E. coli can be separated from a sample solution by trapping them at the disk sites, and then isolated into chambers by transporting them along the tapered conducting paths. Once the E. coli was trapped inside the side chambers, two selective treatments were performed. In one chamber, a solution with minimal nutrition content was added and, in another chamber, a solution with essential nutrition was added. The results showed that the growth of bacteria cultured in the second chamber containing nutrient was significantly higher, demonstrating that the E. coli was not affected by the magnetically driven transportation and the feasibility of performing different treatments on selectively isolated cells on a single microfluidic platform.     

Effective consultants: a conceptual framework for helping school systems achieve systemic reform

A growing number of organisations – universities, non-profits, independent consultants – are emerging as partners to school systems pursuing systemic improvement. This proliferation invites questions probing the interaction between school systems and their consulting partners. Drawing on a cross-disciplinary review of literature, this theoretical paper (1) explores the processes and strategies used by consulting organisations as partners to school systems and (2) proposes a conceptual framework as a starting point for implementation and evaluation of effective consulting for systemic improvement.     

适度运动对摄入高能饲料大鼠T淋巴细胞亚群免疫的影响

以SD大鼠为实验动物,通过8 w的高能饲料摄入和4 w的运动锻炼后,检测其血清总蛋白、白蛋白含量,外周血CD3 细胞数量、CD4 、CD8 T细胞百分比的变化,来研究适度运动锻炼对高能饲料摄入动物免疫功能的影响。结果显示:适度运动锻炼明显提高CD3 T细胞数量,使CD4 T细胞百分比从55.2%-56.6%迅速上升到62.6%-63.0%,使高能饲料摄入组的CD8 T细胞百分比从56.2%极显著地下降到42.2%,从而使运动组的CD4 /CD8 的比值(1.49±0.10)显著高于对照组(1.01±0.07),表明适度运动锻炼具有显著促进正相免疫调节的作用。     

The use of self‐learning modules to facilitate learning of basic science concepts in an integrated medical curriculum

This study used qualitative and quantitative approaches to evaluate the effectiveness of self‐learning modules (SLMs) developed to facilitate and individualize students' learning of basic medical sciences. Twenty physiology and nineteen microanatomy SLMs were designed with interactive images, animations, narrations, and self‐assessments. Of 41 medical students, 40 students voluntarily completed a questionnaire with open‐ended and closed‐ended items to evaluate students' attitudes and perspectives on the learning value of SLMs. Closed‐ended items were assessed on a five‐point Likert scale (5 = high score) and the data were expressed as mean ± standard deviation. Open‐ended questions further evaluated students' perspectives on the effectiveness of SLMs; student responses to open‐ended questions were analyzed to identify shared patterns or themes in their experience using SLMs. The results of the midterm examination were also analyzed to compare student performance on items related to SLMs and traditional sessions. Students positively evaluated their experience using the SLMs with an overall mean score of 4.25 (SD ± 0.84). Most students (97%) indicated that the SLMs improved understanding and facilitated learning basic science concepts. SLMs were reported to allow learner control, to help in preparation for subsequent in‐class discussion, and to improve understanding and retention. A significant difference in students' performance was observed when comparing SLM‐related items with non‐SLM items in the midterm examination (P < 0.05). In conclusion, the use of SLMs in an integrated basic science curriculum has the potential to individualize the teaching and improve the learning of basic sciences. Anat Sci Educ 3: 219–226, 2010. © 2010 American Association of Anatomists.     

Acceptance and usage of a mobile information system services in University of Jordan

Along with the significant development of information and communication technologies (ICTSs), an incredible number of mobile applications have become available. Hence, the main purpose of the current study is to investigate the use and acceptance of the ‘Mobile Information System’ developed and implemented by University of Jordan, which Known as (Mobile Student Information System). Data were obtained from 275 undergraduate students of University of Jordan via questionnaire to test the ‘Mobile Services Acceptance Model’ using Structural Equation Model. The results reveal that user acceptance of mobile information system services is largely affected by trust, perceived security, perceived ease of use and perceived usefulness. Findings also show that context of applications is a strong motivational factor of perceived ease of use and perceived usefulness, which then significantly affects user intention to use mobile information system. While, the personal characteristics and features do not have effect on user intentions. Both theoretical and practical implications of the study’s findings are discussed.