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The present study focuses on the analysis of physico-chemical parameters: electrical conductivity, nitrate and phosphate in the Akaki River basin of Addis Ababa, Ethiopia. These secondary water qua ...
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Spinel-bearing mantle xenoliths have been recovered in the pyroclastic breccia surrounding the Lake Nyos maar. These include spinel lherzolites, spinel harzburgites and olivine websterites. They exhibit coarse granular or protogranular to weakly porphyroclastic textures, and show variations in mineral chemistry, modal compositions and equilibrium temperature. The xenoliths consist of four mineral phases typical of upper mantle origin: olivine (Fo89–Fo91.5, NiO = 0.29–0.38 wt%, CaO =...
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The study of sex differences in cognition has been shrouded with much controversy.Working memory is a central construct in cognitive neuroscience.This study examined sex differences in working memory of students in Ahmadu Bello University, Zaria using the N-back task.To achieve this aim, fifty four (54) students of Ahmadu Bello University in the age range of 18-35 years consisting of 31 females and 23 males were used for the study.The subjects were screened for some confounding variables...
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Teacher education in South Africa has mainly undergone these developmental models,from macroscopic view it has experienced three developmental stages:closed,open and university-orientation training;form medium-view it has gone through three organization forms:separated independent colleges,departments of education and faculties of education under the university.At present,from microscopic view it appears parallel,continuous and diversified model coexists.All these phenomena not only reflect...
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The study was conducted on cattle at Hirna municipal abattoir from November 2011 to March 2012 in Hirna town. The objective of the study was to determine the prevalence and type of indigestible foreign bodies in rumen and reticulum of cattle slaughtered at the abattoir. From the total of 384 cattle examined, 92 (23.9%) were found positive for different types of foreign bodies in their rumen and/or reticulum. The foreign bodies recovered includes: plastic 44 (11.5%), rope 18 (4.7%), piece of...
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This article analyzes the vulnerability and resilience levels of farm households inNorth Shewa, Ethiopia, using a survey of 452 households.Agro ecological based classification was done to analyze vulnerability to climate change induced shocks.Integrated vulnerability analysis approach was employed to develop indexes for socioeconomic and biophysical indicators.The indicators have been classified into adaptive capacity, exposure and sensitivity to climate change impact.Then Principal...
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This article presents the results of an empirical study that explored and compared the size, composition, roles and functions of Ghanaian university governing councils and the extent to which their governance systems facilitate efficiency and effectiveness in these universities. Using both primary and secondary data obtained from three private and two public universities purposely sampled from Ghana in a survey which was conducted between March and September 2007, it was revealed that the...
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Recent development and trends in the world of Information Communication and Technology (ICT) have brought about tremendous changes in the world’s ways of operation; it has also made great impact in the world of education both in the content and delivery of educational services. Information Communication and Technology is a term referring to Technologies that are used for collecting, storing, editing and passing information in various forms. Its use has introduced originality in learning...
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This study, conducted during the summer of 2008 in Kumasi, Ghana analysed the role of religious and moral education (RME) in ameliorating the witchcraft discourse in three Ghanaian junior secondary schools. Although the syllabus acknowledges the pernicious effects of witchcraft allegations, it adopts a ‘Thou shalt not’ approach that fails to adequately grapple with the challenge. Through the use of semi-structured interviews, classroom observations and a questionnaire, pupils’ attitudes...
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This report presents the findings of the first phase of the Komuniti Tok Piksa (KTP) project, a research project commissioned by the National AIDS Council and AusAID under the large research grant funding round. The study, conducted by a team comprising researchers from the University of Technology Sydney and the University of Goroka, investigates the use of visual and creative tools in HIV and AIDS prevention and education in Papua New Guinea. The report presents an innovative methodology...
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In order ensure that American are competitive with in other countries, since the 1980s, U.S. policymakers have been trying improve the K-12 public school system. Recent reform efforts have led the current high-stakes testing movement, which measures student achievement and school effectiveness mainly by standardized test scores. In this article, the authors explain how the current high-stakes testing movement has harmed African American through (1) instructional practices that have not...
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The diversity of cultures,politics,unbalanced regional economic development,makes it hard to achieve the balanced development of basic education in Africa.This paper studies the primary education in Nigeria in terms of gender,policy,teaching languages,and religious culture,in an attempt to find the way to solve the unbalanced development of basic education in Africa.
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In order to bridge the digital gap and to facilitate the use of ICT in teaching and learning among lecturers and students in Nigeria universities, the Nigeria Communication Commission (NCC) organized a workshop to train lecturers in the use of ICT skill and knowledge. It was expected that 12,000 lecturers from various universities will be trained. It was discovered that the idea was welcomed since most of them find if difficult to integrate ICT in their academic work. As a result of this,...