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Dynamic geometry software as a dynamic tool for spatial exploration:

- Holzl, Reinhard, Schäfer, Marc

Authors: Holzl, Reinhard , Schäfer, Marc
Date: 2013
Language: English
Type: text , article
Identifier: http://hdl.handle.net/10962/140871 , vital:37925 , https://hdl.handle.net/10520/EJC146065
Description: Dynamic Geometry Software (DGS) such as GeoGebra, Geometer's Sketchpad and Cabri Geometry offer a wealth of opportunities for an exploratory style of teaching and learning Mathematics, particularly in the exploration of space and shape. The new Curriculum and Assessment Policy Statement (CAPS) foregrounds the use of spatial skills and properties of shapes and objects "to identify, pose and solve problems creatively and critically" (South Africa. DBE, 2011, p. 9). Although the South African Mathematics curriculum no longer places importance on traditional Euclidean construction by means of straightedge and compass, DGS can nonetheless be used to engage with fundamental ideas relating to geometric shapes, symmetry and transformations. This was the impetus behind encouraging the use of GeoGebra in four township schools in the Grahamstown Education District whose Mathematics teachers participate in an ongoing in-service research and development programme hosted by Rhodes University.
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Date Issued: 2013

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Oral literature in Africa

- Kaschula, Russell H

Authors: Kaschula, Russell H
Date: 2013
Subjects: Folk literature -- Study and teaching -- Africa , Oral tradition -- Africa , Folklore and education -- Africa , Books -- Africa -- Reviews
Language: English
Type: article , text
Identifier: http://hdl.handle.net/10962/59355 , vital:27563 , https://doi.org/10.1080/13696815.2012.756804
Description: I have in my possession a first edition, hard copy of Ruth Finnegan’s quintessential work, Oral Literature in Africa. It has a yellow cover, preserved by a plastic sheathe, it is a little frayed around the edges and has that old, musty library smell about it. I love and treasure this book. It is dedicated by Professor Finnegan ‘[t]o all my teachers’. Professor Finnegan is indeed one of my teachers. I properly met Ruth Finnegan at the second International Society for Oral Literature (ISOLA) conference in 1998, which I hosted at the University of Cape Town. She gave a keynote address which included reference to her seminal work and the future of oral literary studies. She has continually influenced our work as researchers following in her footsteps: Isidore Okpewho, Harold Scheub, Abiola Irele, Graham Furniss, Elizabeth Gunner, Karin Barber, Isobel Hofmeyr, John Foley, Olayibi Yai, Edgard Sienaert, Brian Street, Noverino Canonici, Mark Turin, Daniela Merolla, Jan Jansen, Jeff Opland, and many others; some younger, some older, some living, some departed, scholars influenced by this great and humble intellectual and her body of work.
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Date Issued: 2013

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Swansea & Brecon Guild : prelude, the Bevan family, and the first and anniversary peals

- Lewis, Colin A

Authors: Lewis, Colin A
Date: 2013
Language: English
Type: Article
Identifier: vital:6193 , http://hdl.handle.net/10962/d1013420 , http://www.ringingworld.co.uk
Description: [From Conclusion] The Swansea & Brecon Guild owes its foundation largely to the interest of the first Bishop of the Diocese: Edward Bevan, in bells, ringers and ringing. The first peal for the Guild was rung at Talgarth by members of that tower, conducted by Louis Griffiths. The anniversary peal was also rung at Talgarth and consisted of the methods and variations that were probably rung in the original peal. , Colin Lewis was Professor of Geography at Rhodes University, Grahamstown, South Africa from 1989 until his retirement at the end of 2007. In 1990, with the strong support of the incumbent Vice-Chancellor, Dr Derek Henderson, he instigated the Certificate in Change Ringing (Church Bell Ringing) in the Rhodes University Department of Music and Musicology - the first such course to be offered in Africa. Since that date he has lectured in the basic theory, and taught the practice of change ringing. He is the Ringing Master of the Cathedral of St Michael and St George, Grahamstown, South Africa.
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Date Issued: 2013

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Teenage pregnancy

- Macleod, Catriona I

Authors: Macleod, Catriona I
Date: 2013
Language: English
Type: Text
Identifier: vital:6301 , http://hdl.handle.net/10962/d1015906
Description: In a book on preventing early pregnancy and poor reproductive outcomes in developing countries, the World Health Organisation (2011) declares that ‘adolescent pregnancy’ contributes to maternal, perinatal and infant mortality, and to a vicious cycle of poverty and ill-health. This statement reflects the common public assumption that ‘teenage pregnancy’ represents an individual, social, health, educational and financial risk that requires remediation. This kind of public perception is spurred by media coverage in which young girls with large protruding stomachs are etched in profile and stories of calamity are told (e.g. Time (21 June 2005) magazine). And yet the very notion of 'teenage pregnancy' is a relatively recent one. Depending on the country one talks about, it has been around since between the 1960s and 1980s. In the United States, for example, the rise of ‘teenage pregnancy’ as a social problem was associated with a shift in gendered power relations. Prior to the late 1960s the morally loaded concepts of 'unwed mother' and 'illegitimate child' were used to describe young women who conceived. For the most part, young pregnant women were excluded from society, with the accompanying shame around the lack of proper conjugal arrangements. The use of the term 'teenage pregnancy' removed the implied moral judgment and replaced it with seeming scientific neutrality. Young pregnant women now became publicly visible and thus the object of scientific scrutiny (Arney & Bergen, 1984).
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Date Issued: 2013

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Treating the psychological sequelae of proactive drug-facilitated sexual assault : knowledge building through systematic case based research

- Padmanabhanunni, Anita, Edwards, David J A

Authors: Padmanabhanunni, Anita , Edwards, David J A
Date: 2013
Language: English
Type: Article
Identifier: vital:6235 , http://hdl.handle.net/10962/d1007785
Description: Background: Drug-facilitated sexual assault (DFSA) has emerged as a distinct category of sexual victimization and precipitates posttraumatic stress disorder (PTSD). Few studies have examined the distinct psychological aspects of PTSD caused by DFSA. Gauntlett-Gilbert, Keegan and Petrak (2004) represent a notable exception and draw on cases, from their clinical experience, treated using Ehlers and Clarks’ (2000) cognitive therapy (CT). Aims: This paper aims to further develop and refine clinical knowledge on CT for PTSD arising from DFSA and advance the findings of Gauntlett-Gilbert et al. (2004). Method: Systematic case based research was used to investigate the applicability of CT for PTSD related to DFSA. Three survivors were treated with CT within the South African context. Results: The case series corroborated existing findings but also documented the presence of somatic and visual intrusions among survivors with partial or complete amnesia for rape and illustrated the utility of imagery interventions in targeting intrusions. The study highlighted the role of physical paralysis in DFSA in compounding helplessness/powerlessness and the necessity of enhancing physical agency and building social support. Conclusion: Distinctive aspects of PTSD related to DFSA can be effectively treated by adapting CT to suit this population group.
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Date Issued: 2013

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Unicorn: A unified communication solution for marginalized communities

- Nyathi, Okelitsi, Terzoli, Alfredo, Tsietsi, Mosiuoa

Authors: Nyathi, Okelitsi , Terzoli, Alfredo , Tsietsi, Mosiuoa
Date: 2013
Subjects: To be catalogued
Language: English
Type: text , article
Identifier: http://hdl.handle.net/10962/430666 , vital:72707 , 10.1109/ICASTech.2013.6707506
Description: The convergence of previously distinct networks into an All-IP network has resulted in an increase in the number and diversity of devices, channels and communication networks available to users. This has increased the number commu-nication options available and is evidenced by the number of different communication devices owned and services subscribed to. How-ever, this has created complexities that call for proper methods to manage these diverse and in-compatible communication options. The objective of Unified Communication (UC) is to seamlessly integrate the dispar-ate communication channels into a device independent plat-form that can easily be managed by users. Due its focus on a largely urban and highly connected market, UC has not benefited marginalized communities. This paper discusses the design and implementation of Unicorn, a UC solution for a middleware software platform called Teleweaver which was designed to support the development of services for marginalized communities. The solution integrates services from a telecommunication container called Mobicents. It seamlessly amalgamates voice, data and video onto one device independent unified platform easily accessible by users.
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Date Issued: 2013

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An Exploratory Framework for Extrusion Detection

- Stalmans, Etienne, Irwin, Barry V W

Authors: Stalmans, Etienne , Irwin, Barry V W
Date: 2012
Language: English
Type: text , article
Identifier: http://hdl.handle.net/10962/428027 , vital:72481 , https://www.researchgate.net/profile/Barry-Ir-win/publication/327622736_An_Exploratory_Framework_for_Extrusion_Detection/links/5b9a12ba299bf14ad4d6a3d7/An-Exploratory-Framework-for-Extrusion-Detection.pdf
Description: Modern network architecture allows multiple connectivity options, increasing the number of possible attack vectors. With the number of internet enabled devices constantly increasing, along with employees using these devices to access internal corporate networks, the attack surface has become too large to monitor from a single end-point. Traditional security measures have focused on securing a small number of network endpoints, by monitoring inbound con-nections and are thus blind to attack vectors such as mobile internet connections and remova-ble devices. Once an attacker has gained access to a network they are able to operate unde-tected on the internal network and exfiltrate data without hindrance. This paper proposes a framework for extrusion detection, where internal network traffic and outbound connections are monitored to detect malicious activity. The proposed framework has a tiered architecture con-sisting of prevention, detection, reaction and reporting. Each tier of the framework feeds into the subsequent tier with reporting providing a feedback mechanism to improve each tier based on the outcome of previous incidents.
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Date Issued: 2012

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Evaluation of a service-learning elective as an approach to enhancing the pharmacist's role in health promotion in South Africa

- Srinivas, Sunitha C, Wrench, Wendy W

Authors: Srinivas, Sunitha C , Wrench, Wendy W
Date: 2012
Language: English
Type: text , Article
Identifier: vital:6443 , http://hdl.handle.net/10962/d1006630
Description: Background. A service-learning (SL) elective offered to final-year pharmacy students was introduced in 2007. The elective demonstrated a holistic approach to creating opportunities for future pharmacists to understand the current needs and future challenges of the burden of disease in developing countries such as South Africa and to foresee their key roles in health promotion. Methods. The 2007 Sasol National Festival of Science and Technology (SciFest) was chosen as the ideal platform to implement this elective. Evaluation of the elective was carried out in association with the Academic Development Centre using a web-based software tool known as the ADC evaluation assistant (ADCEA). The ADCEA consisted of a ‘question bank’ from which the course facilitators selected nine ranked closed questions as well as two open-ended questions. Results. SciFest participation, in the course of the service-learning elective, was acknowledged by students to have prepared them as responsible citizens to undertake health promotion in the public sector healthcare system. Conclusion. Students’ experiences of the learning opportunities provided in the SciFest elective highlight the strengths of this SL programme.
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Date Issued: 2012

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Municipal commonage: an undervalued national resource

- Gambiza, James, Shackleton, Charlie M, Davenport, N I, Atkinson, D, Hoffman, Michael T, Martens, C, Puttick, J, De Groot, W

Authors: Gambiza, James , Shackleton, Charlie M , Davenport, N I , Atkinson, D , Hoffman, Michael T , Martens, C , Puttick, J , De Groot, W
Date: 2012
Subjects: Land reform -- South Africa Land use -- South Africa South Africa -- Social conditions
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/49969 , vital:25947
Description: This policy brief will highlight the importance of municipal commonage in enhancing livelihoods of poor urban families. This will be followed by an overview of the role of municipal commonage in the land reform programme. Current challenges in securing benefits from municipal commonages are then outlined. Policy considerations to optimise benefits from commonages conclude the policy brief.
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Date Issued: 2012

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Otoliths versus scales: evaluating the most suitable structure for ageing largemouth bass, Micropterus salmoides, in South Africa

- Taylor, Geraldine C, Weyl, Olaf L F

Authors: Taylor, Geraldine C , Weyl, Olaf L F
Date: 2012
Subjects: To be catalogued
Language: English
Type: text , article
Identifier: http://hdl.handle.net/10962/443907 , vital:74170 , https://doi.org/10.1080/15627020.2012.11407562
Description: The suitability of scales for ageing Micropterus salmoides was determined by comparing the precision of growth zone counts on scales with those obtained from sectioned sagittal otoliths from a sample of 496 fish collected from Wriggleswade and Mankazana Impoundments in the Eastern Cape, South Africa. Otoliths (1.4% rejected) were more readable than scales (41.7% and 7.5% rejected) for Wriggleswade and Mankazana Impoundments respectively. Otolith readings were more precise (average percentage error (APE) = 13.6%; coefficient of variation (CV) = 15.8%) than scales (APE = 18.0%; CV = 21.9%) for the total sample. Growth zone counts between structures were not symmetrically distributed around the agreed ages (otolith age = scale age) of the fish from Wriggleswade Impoundment (Bowker’s test H2: χ2 = 136, d.f. = 27, P 0.05) and graphical comparison showed that scales tended to underestimate age, particularly for fish older than five years. Scales are therefore not suitable structures for ageing South African M. salmoides which may attain ages of up to 13 years.
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Date Issued: 2012

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Remembering Jakes - Chancellor, our chancellor

- Badat, Saleem

Authors: Badat, Saleem
Date: 2012
Language: English
Type: text
Identifier: vital:7584 , http://hdl.handle.net/10962/d1006574
Description: From introduction: Gerwel was an exceptional, courageous, gifted and pioneering South African intellectual, scholar, leader and citizen. He had a profound commitment to creating a just and humane society. Through a long and distinguished association with the higher education sector, as an academic, dean, vice-chancellor, chairperson of the Committee of University Principals in the early 1990s, chancellor, and chairperson of the Mandela Rhodes Foundation, Gerwel was an outstanding champion of higher education. As chancellor, he challenged Rhodes to become socially conscious and think critically and imaginatively about access, equity and transformation, and about its role in socioeconomic development issues in South Africa, especially in the Eastern Cape.
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Date Issued: 2012

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