172 research outputs found

    Social Worked-Examples Technique to Enhance Student Engagement in Program Visualization

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    يعد تعلم البرمجة من بين أهم التحديات في تعليم علوم الكمبيوتر. حاليا، يتم استخدام تصوير البرامج ) PV ( كأداة للتغلب علىمعدلات الفشل والتسرب العالية في مادة اساسيات البرمجة. ومع ذلك، هناك مخاوف متزايدة بشأن فعالية أدوات تصوير البرامج الحالية استناداالى النتائج المختلطة المستمدة من الدراسات المختلفة. تعتبر مشاركة الطلاب أيضًا عاملاً حيويًا في بناء PV ناجحًا، كما تعد أيضًا جزءًا مهمًامن عملية التعلم بشكل عام. تم إدخال العديد من التقنيات لتعزيز المشاركة في أدوات تصوير البرامج؛ ومع ذلك، فإن مشاركة الطلاب في PVلا يزال يمثل تحديًا كبيراً. استخدمت هذه الورقة ثلاث نظريات مختلفة: البنيوية، والبناء الاجتماعي، والحمل المعرفي لاقتراح تقنية لتعزيزمشاركة الطلاب في استخدام أدوات تصوير البرامج. تعمل تقنية الأمثلة المكتملة الاجتماعية ) SWE ( على تحويل المثال المكتمل التقليدي إلىنشاط اجتماعي ، حيث يتم التركيز بشكل أكبر على دور التعاون في بناء معرفة الطلاب. حددت هذه الدراسة ثلاثة مبادئ يمكن أن تعززمشاركة الطلاب من خلال تقنية SWE : التعلم النشط والتعاون الاجتماعي والأنشطة ذاتس التحميل المنخفض.Learning programming is among the top challenges in computer science education. A part of that, program visualization (PV) is used as a tool to overcome the high failure and drop-out rates in an introductory programming course. Nevertheless, there are rising concerns about the effectiveness of the existing PV tools following the mixed results derived from various studies. Student engagement is also considered a vital factor in building a successful PV, while it is also an important part of the learning process in general. Several techniques have been introduced to enhance PV engagement; however, student engagement with PV is still challenging. This paper employed three theories—constructivism, social constructivism and cognitive load to propose a technique for enhancing student engagement with program visualisation. The social worked-examples (SWE) technique transforms the traditional worked-example into a social activity, whereby a greater focus is placed on the collaboration role in constructing students’ knowledge. This study identified three principles that could enhance student engagement through the SWE technique: active learning, social collaboration and low-load activity

    Explaining the Lack of Progress in Yemeni Women’s Empowerment; Are Women Leaders the Problem?

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    Despite existence of women’s empowerment policies and the appointments of women leaders to oversee the implementation and sometimes design of those policies, the Republic of Yemen has repeatedly ranked last in the WEF Gender Gap Index since 2006. Is this a problem of capacity? Are the women leaders, who are driving the national women’s development agenda forward, lacking in this field? This article investigates this question through a mixed-method research by surveying and interviewing Yemeni women leaders who were involved in empowerment policies in health, education, economic participation and political empowerment between 2006 and 2014. Findings from this research show that the women leaders were highly qualified in terms of expertise; education and professional skills. Furthermore, findings show that the patriarchal system punishes women leaders when they challenge it, which forces many of them to refrain from antagonising the patriarchy. Those who do, risk their professional and even personal wellbeing in their plight against practices that negatively affect women’s empowerment of the larger women community. This finding has significant implications on women’s empowerment policies in Yemen and countries of similar contexts, by directing funding and support from the traditional individual capacity building efforts to those concerning harnessing the collective power

    Explaining the Lack of Progress in Yemeni Women’s Empowerment: Are Women Leaders the Problem?

    Get PDF
    Despite the existence of women’s empowerment policies and the appointments of women leaders to oversee the implementation and sometimes design of those policies, the Republic of Yemen has repeatedly ranked last in the WEF Gender Gap Index since 2006. Is this a problem of capacity? Are the women leaders, who are driving the national women’s development agenda forward, lacking in this field? This article investigates this question through a mixed-method research by surveying and interviewing Yemeni women leaders who were involved in empowerment policies in health, education, economic participation and political empowerment between 2006 and 2014. Findings from this research show that the women leaders were highly qualified in terms of expertise, education, and professional skills. Furthermore, findings show that the patriarchal system punishes women leaders when they challenge it, which forces many of them to refrain from antagonising the patriarchy. Those who do, risk their professional and even personal well-being in their plight against practices that negatively affect women’s empowerment of the larger women community. This finding has significant implications for women’s empowerment policies in Yemen and countries of similar contexts, by directing funding and support from the traditional individual capacity building efforts to those concerning harnessing the collective power

    Durability Properties Of Stabilized Earth Blocks

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    Tanah sebagai bahan binaan bangunan yang mudah diperolehi. Di negara-negara membangun, pembinaan menggunakan tanah adalah lebih ekonomik dan berkesan. Permintaan yang tinggi dengan sumber yang tidak terhad. Earth as a building material is available everywhere. In developing countries, earth construction is economically the most efficient means to house the greatest number of people with the least demand of resources

    Examining the relationship between agile adoption motivation factors and agile practice clusters used by software startups in Kingdom of Saudi Arabia

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    Agile software development methodology (ASDM) has been increasingly adopted in organizations. Despite many benefits offered by ASDM, successful ASDM adoption is a big challenge for organizations. Many studies show that these methods were adopted partly by selecting a set of agile practices. Therefore, it is difficult for new adopters to choose agile practice sets that fit their organization needs as ASDM has a big pool of available practices or clusters. Agile practices should be selected based on motivation factors that include the organization needs in order to maximize the benefit of adopting them. The aim of this study is to identify the relationships between organization’s ASDM adoption motivation factors and the agile practices clusters. This study used a quantitative approach to evaluate the relationships between these variables. The study was conducted using a questionnaire with 76 software practitioners from software startups in the Kingdom of Saudi Arabia (KSA). The analysis generated 4 clusters; each is associated with a list of practices. These clusters are labeled as project management, quality assurance, software process, and incremental and iterative clusters. This study finds that three adoption motivation factors (a motivation for increased software quality, increased efficiency, or increased effectiveness) are associated with the quality assurance, software process, and incremental and iterative clusters. By understanding these factors in terms of ASDM adoption and which types of agile practice cluster is more suitable will help to increase the success of the agile adoption process. Furthermore, the study will help to understand how the startups selected the practices used. Also, the study could help new startups to easily choose the proper agile practices based on their motivation and needs. The findings will help the organization to select suitable agile practices cluster by matching the motivation factors that correspondingly affect the ASDM successful adoption

    Are married and unmarried Yemeni people differ in their perception of family concept and its function?

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    Introduction In Yemen, conservative social traditions are the norms. Yemen has one of the highest population growth rate and the highest rate of unmet need for family planning (FP) in the world. This study aimed to explore the perception and attitude about family concept and its planning among married and unmarried people in selected Yemeni Governorates. Methods The study was conducted in April-May 2014 through house to house community-based cross-sectional survey with a purposively selected sample in 21 districts in 3 Yemeni governorates. The target population was Yemeni citizens aged 15+ years present in households in the targeted districts at the time of data collection. Married and un married respondents were approached equally with a pre-tested questionnaire and only consented respondents were enrolled. Results Analysis was done using the statistical package for Social Sciences version 22. Differences between married and unmarried respondents was tested by Chi squared test (χ²). Statistical significance was set at p˂0.05. The study involved 2217 respondents. Married and unmarried respondents were not different in their perception and attitude regarding family size, the negative influence of large family size, the relation of family size to children education and age at marriage, and some economic aspects in relation to large family size. However, they differently perceive the meaning of the family; reasons for establishing the family and for having children; decision makers for continuation of children education; reasons for postponing marriage, the influence of having too male children on increasing family income and on boosting father’s prestige amongst others. Conclusions In conclusion, married and unmarried were not different in most of the addressed issues. The few differently perceived issues reflect differences in life experience, reality and social responsibilities. There is a need for further studies to monitor practices related to demographic changes over time in the Yemeni society

    Cholera knowledge, socioeconomic and WaSH characteristics in Aden - Yemen, 2017: a community-based comparative survey

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    Objectives: To improve prevention and control response to the cholera outbreak, we sought to assess and compare the community’s cholera awareness and needs in high and low epidemic areas in Aden. Methods:  A community-based comparative survey was conducted in 2017. We used multi-stage cluster sampling. Eligible household heads in high and low epidemic areas were interviewed. The data collected from both areas using a pretested questionnaire.  Results: Cholera cases and mortality were higher in high epidemic areas compared with low epidemic areas. Socioeconomic, water, sanitation, and hygienic conditions were poorer in high epidemic areas compared with low epidemic areas. Knowledge of cholera transmission and prevention was sub-optimal in both areas. We found a mismatch between the delivered education and distributed preventive materials. Conclusions: Stakeholders should tailor the design, content, and implementation of future cholera prevention and control methods to meet the needs of the community. Future educational camping should focus on transmission prevention, including vaccination. Education and sustainable interventions should be implemented to improve water, sanitation, and hygiene

    Unidirectional flow of flat-top solitons

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    We numerically demonstrate the unidirectional flow of flat-top solitons when interacting with two reflectionless potential wells with slightly different depths. The system is described by a nonlinear Schr\"{o}dinger equation with dual nonlinearity. The results show that for shallow potential wells, the velocity window for unidirectional flow is larger than for deeper potential wells. A wider flat-top solitons also have a narrow velocity window for unidirectional flow than those for thinner flat-top solitons.Comment: 5 pages, 7 figure
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