2,204 research outputs found

    Exploring Student Teachers’ Views on ePortfolios as an Empowering Tool to Enhance Self-Directed Learning in an Online Teacher Education Course

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    This paper explores Economics student teachers’ views on ePortfolios as an empowering tool to enhance self-directed learning in an online teacher education course. An interpretive phenomenological research approach was employed for data collection and a purposive convenient sampling technique was selected to collect data. Only Postgraduate Certificate of Education (PGCE) and Batchelor of Education (BEd) Senior Phase/Further Education and Training Economics Subject Methodology (SDEC00N) student teachers registered on myUnisa for the modules were targeted. Multiple sections from the ePortfolios that had been considered for the purpose of this study were taken from their creative writing assignments, a research projects, lesson plans, reflective journal entries, podcasts, blog postings. Data were collected and analysed on a weekly basis to create a plethora of information. Student teachers felt that they were empowered with different subject content knowledge, technological pedagogical content knowledge (TPCK) and other technologies, student-centred methods and techniques through the ePortfolio project

    The Boers and the Anglo-Boer War (1899-1902) in the twentieth-century moral imaginary

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    In 1891 Lord Randolph Churchill, father of the more famous Winston, visited South Africa and the soon-to-be Rhodesia on a trip that was intended to combine big-game hunting with the even more exciting prospects of entering the gold mining business. During the eight months of the visit, Churchill contributed a series of letters to the Daily Graphic on his thoughts and experiences, in one of which he had this to say about the Boers: The Boer farmer personifies useless idleness. Occupying a farm of from six thousand to ten thousand acres, he contents himself with raising a herd of a few hundred head of cattle, which are left almost entirely to the care of the natives whom he employs. It may be asserted, generally with truth, that he never plants a tree, never digs a well, never makes a road, never grows a blade of corn…. He passes his day doing absolutely nothing beyond smoking and drinking coffee. He is perfectly uneducated. With the exception of the Bible, every word of which in its most literal interpretation he believes with fanatical credulity, he never opens a book, he never even reads a newspaper. His simple ignorance is unfathomable, and this in stolid composure he shares with his wife, his sons, his daughters, being proud that his children should grow up as ignorant, as uncultivated, as hopelessly unprogressive as himself. In the winter time he moves with his herd of cattle into the better pastures and milder climate of the low country veldt, and lives as idly and uselessly in his waggon as he does in his farmhouse. The summer sees him returning home, and so on [sic], year after year, generation after generation, the Boer farmer drags out the most ignoble existence ever experienced by a race with any pretensions to civilization. (94–95) The piece caused an outcry, and when a year later Churchill republished the letters as Men, Mines and Animals in South Africa (1892), he attempted to exonerate himself by claiming that these views were intended “to be exclusively confined to…the Dutch population of the Transvaal,” not “generally to the Dutch in South Africa” and went on: “The Dutch settlers in Cape Colony are as worthy of praise as their relatives, the Transvaal Boers, are of blame. The former, loyal, thrifty, industrious, hospitable, liberal are and will, I trust, remain the back-bone of our great colony at the Cape of Good Hope

    Improved timing recovery in wireless mobile receivers

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    The problem of timing recovery in wireless mobile receiver systems is critical. This is partly because timing recovery functions must follow rapid parameter changes inherent in mobile systems and partly because both bandwidth and power must be conserved in low signal to noise ratio communication channels. The ultimate goal is therefore to achieve a low bit error rate on the recovered information for improving QoS provisioning to terminal mobile users. Traditional timing recovery methods have over-relied on phase-locked loops for timing information adjustment. However, associated schemes do not exploit code properties. This leads to synchronization difficulties in digital receivers separated from transmitters by lossy channels. In this paper we present a soft timing phase estimation algorithm for wireless mobile receivers in low signal to noise ratios. In order to develop a bandwidth and power efficient timing recovery method for wireless mobile receivers, a raised cosine filter and a multilevel phase shift keying modulation scheme are implemented and no clock signals are transmitted to the receiver. In the proposed method, the receiver exploits the soft decisions computed at each turbo decoding iteration to provide reliable estimates of a soft timing signal, which in turn, improves the decoding time. The derived method, based on sequential minimization techniques, approaches the theoretical Cramer-Rao bound with unbiased estimates within a few iterations.Key Words: discrete polyphase matched filters, maximum likelihood estimators, iterative turbo receivers, log-MAP b

    World Council of Churches - Yearbook 1999.

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    Learning strategies: An answer to our Christian responsibilities towards multicultural education?

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    In a country where development is currently a high priority, effective and efficient learning presents special imperatives for multicultural higher education. One of man's Christian responsibilities is that of education, and in the changing society of the RSA teaching will require a sensitivity to the variation in individual personalities as well as diversity in culture. Students, however, need to realise that they will have to assume a greater responsibility and accountability for their own learning. Knowledge of their own learning and study strategies and application of these can contribute significantly to the accomplishment of optimal learning. An emphasis shift from improved teaching to improved learning has resulted in a depiction of the learner as an active participant in the teaching-learning act. Various instruments for the assessment of learning and study strategies have been developed since the sixties. Two instruments of the past decade that have been tested at the Potchefstroom University since 1989 are discussed and the adoption o f the LASSI (Learning and Study Strategies Inventory) is motivated

    Leaderships Role In Effective Implementation Of School Discipline Policies

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    Discipline is an important aspect of the life of any school. Learning and teaching can only take place effectively in a disciplined environment. In South Africa, discipline policies might not have been effectively implemented due to inadequate sources, lack of commitment and training of school leaders. A qualitative research design was utilized for the investigation on which this article is based. The research consisted of two phases. First, group interviews were conducted with 27 B Ed Honours students; thereafter, individual interviews were conducted with a total of six students selected by purposive sampling. The results seem to suggest that the broader school community should be taken on board to ensure effective discipline policy implementation. The correct legal sources should furthermore be employed in the process of developing school policies. School leaders need thorough training for the development and implementation of discipline policies. Several measures are suggested for the effective introduction of disciplinary policies, among others, that school leadership should play a (more) active role; specifically the principals of schools should be willing to share their knowledge on the implementation of school disciplinary policies with other members of the school leadership

    College Managers’ Views on The Employability of Vocational Engineering Graduates: A Case of The South African TVET College Sector

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    This study investigated the required competencies that TVET college engineering graduates need to be employable and become successful entrepreneurs after completing their studies. The study used a qualitative design and semi-structured interviews to collect the data. Purposive sampling was used to select the participants from three public TVET colleges in Gauteng. The study reported that National Certificate Vocational college engineering graduates need relevant engineering content knowledge, authentic practical engineering workplace experience, soft skills, technical skills and their application in the real world. It was also found that the engineering sector has a negative attitude towards TVET engineering graduates and that there is a lack of lecturers with engineering industry experience. We relied on a small sample; hence, the results of this study may not be generalisable, but moving forward, a cross-national study including all TVET programmes may be required; and, most probably, different results will be generated. We concluded by advocating the review of the TVET engineering curriculum and a paradigm shift to an intense formally supervised and examined industry-oriented workplace component that would boost the technical expertise of graduates. A widespread advocacy campaign in the engineering sector could also help to raise their awareness of TVET programmes

    Should young adults with sore throat be treated with antibiotics?

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    The diagnosis of streptococcal sore throat on clinical grounds remains a problem. In this study the clinical prediction in a group of young adults corresponded with laboratory findings indicative of a streptococcal (group A or non-A) infection in 23% of cases. The culture of throat swabs was of little value, as the only group A culture-positive patient did not show an antibody response, indicating a carrier state. Ln 5 cases a streptococcal infection was diagnosed on rising antibody titres only, as culture remained negative. The value of rising antibody titres as a diagnostic tool is also questioned, since they occurred more frequently in the healthy controls than in the sore-throat group. Antibiotic treatment for sore throat was rarely supported by laboratory findings in the young adult population studied
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