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Search Results: 1 - 10 of 45 matches for " Kerryn Torrance "
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Lose Yourself in the Music, The Moment, Yo! Music Therapy with an Adolescent Group Involved in Gangsterism
Sunelle Fouché,Kerryn Torrance
Voices: A World Forum for Music Therapy , 2005,
Abstract: Since forming the Music Therapy Community Clinic and beginning our work in Cape Town's townships, we have been overwhelmed by the needs of the communities, the open arms with which they welcome and invite us in, and the many challenges we meet on a daily basis. At times, we become disheartened, struggling to make sense of our work, and at others, the music just works: it sings, dances, permeates, draws in, explores and explains. As we are writing this article, in June 2005, we are in the process of reflecting back on a busy school term at our Heideveld Project. A new project focuses on a group of adolescents, facing the danger of becoming immersed in the gang culture of this community. This is the subject of this essay.
Collaborative Work: Negotiations between Music Therapists and Community Musicians in the Development of a South African Community Music Therapy Project
Helen Oosthuizen,Sunelle Fouché,Kerryn Torrance
Voices: A World Forum for Music Therapy , 2007,
Abstract: Music therapy in South Africa is slowly negotiating a practice that takes into account our continent's musical vibrancy, as well as contextual understandings of "health" and "illness." Although music therapy in the (so-called) developed world is situated within the paradigms of medicine, education, psychology and research - in the formal and often scientific sense - in South Africa, this practice needs to be re-defined to make it relevant to the contexts in which we work. The Music Therapy Community Clinic (MTCC) is a non-profit organisation whose aim is to provide music therapy services to previously disadvantaged communities in Cape Town, South Africa. Socio-political problems such as poverty, unemployment, gang violence and HIV and Aids have lead to the fragmentation and disintegration of many of these communities. The MTCC's Music for Life project emerged out of a need to provide after-school music activities and to reach a wider group of children than those seen for clinical music therapy sessions. As the project has developed and expanded, the music therapists have drawn in community musicians to offer an increasing range of musical activities to children. The collaboration between music therapists and community musicians has led to many questions about the roles and identities of each. This article is based on a presentation given by the MTCC at a Symposium for South African Arts Therapists held in Cape Town in June 2007. The article discusses the merits and challenges of the Music for Life Project and offers reflections from both community musicians and music therapists pertaining to our negotiated and changing roles as we continue to develop the project together.
Nondefective secant varieties of varieties of completely decomposable forms
Douglas A. Torrance
Mathematics , 2013,
Abstract: A variation of Waring's problem from classical number theory is the question, ``What is the smallest number $s$ such that any generic homogeneous polynomial of degree $d$ in $n+1$ variables may be written as the sum of at most $s$ products of linear forms?'' This question may be answered geometrically by determining the smallest $s$ such that the $s$\nth secant variety of the variety of completely decomposable forms fills the ambient space. If this secant variety has the expected dimension, it is called nondefective, and $s=\left\lceil\binom{n+d}{d}/(dn+1)\right\rceil$. It is conjectured that the secant variety is always nondefective unless $d=2$ and $2\leq s\leq\frac{n}{2}$. We prove several special cases of this conjecture. In particular, we define functions $s_1$ and $s_2$ such that the secant variety is nondefective when $n\geq 3$ and $s\leq s_1(d)$ or when $n=3$ and $s\geq s_2(d)$ and a function $c$ such that the secant variety is nondefective when $d\geq n\geq 4$ and $s\leq 2^{n-3}c(n,d)$. We further show that the secant variety is nondefective when $s\leq 30$ unless $d=2$ and $2\leq s\leq\frac{n}{2}$.
Generic forms of low Chow rank
Douglas A. Torrance
Mathematics , 2015,
Abstract: The least number of products of linear forms that may be added together to obtain a given form is the Chow rank of this form. The Chow rank of a generic form corresponds to the smallest s for which the sth secant variety of the Chow variety fills the ambient space. We show that, except for certain known exceptions, this secant variety has the expected dimension for low values of s.
Castelnuovo-Mumford regularity and arithmetic Cohen-Macaulayness of complete bipartite subspace arrangements
Zach Teitler,Douglas A. Torrance
Mathematics , 2012, DOI: 10.1016/j.jpaa.2014.07.027
Abstract: We give the Castelnuovo-Mumford regularity of arrangements of (n-2)-planes in P^n whose incidence graph is a sufficiently large complete bipartite graph, and determine when such arrangements are arithmetically Cohen-Macaulay.
SOCIAL GROUP RELATED ENTRY PARTICIPATION MOTIVATIONS FOR CONTINUING PROFESSIONAL DEVELOPMENT ACTIVITIES AMONG MALAYSIAN REGISTERED QUANTITY SURVEYORS
Mohd Hisham Ariffin,Johan Victor Torrance
Journal of Construction in Developing Countries , 2008,
Abstract: Continuing Professional Development (CPD) is aimed at continually updating Malaysian quantity surveying professionals’ knowledge to help them adapt to changes and challenges in the Malaysian construction industry. Proof of such participation is now a condition for the renewal of quantity surveying practice licenses with the Board of Quantity Surveyors Malaysia. This article describes the findings of the qualitative research phase of a research into CPD entry participation motivations of Malaysian Registered Quantity Surveyors. The analysis method of the interview transcripts of 31 registered quantity surveyors combined content analysis and grounded theory analysis. This analysis generated seven motivation themes regarding participation in CPD activities. The influence of the social group underlie five of these motivation themes, that are professional and geographical isolation, professional belonging, ''balancing'' of obligations, racial group orientations, and social participation in voluntary associations. It is proposed that further research in group influences on entry participation motivations for CPD activities be done.
The Rate-Size Trade-Off Structures Intraspecific Variation in Daphnia ambigua Life History Parameters
John P. DeLong, Torrance C. Hanley
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0081024
Abstract: The identification of trade-offs is necessary for understanding the evolution and maintenance of diversity. Here we employ the supply-demand (SD) body size optimization model to predict a trade-off between asymptotic body size and growth rate. We use the SD model to quantitatively predict the slope of the relationship between asymptotic body size and growth rate under high and low food regimes and then test the predictions against observations for Daphnia ambigua. Close quantitative agreement between observed and predicted slopes at both food levels lends support to the model and confirms that a ‘rate-size’ trade-off structures life history variation in this population. In contrast to classic life history expectations, growth and reproduction were positively correlated after controlling for the rate-size trade-off. We included 12 Daphnia clones in our study, but clone identity explained only some of the variation in life history traits. We also tested the hypothesis that growth rate would be positively related to intergenic spacer length (i.e. the growth rate hypothesis) across clones, but we found that clones with intermediate intergenic spacer lengths had larger asymptotic sizes and slower growth rates. Our results strongly support a resource-based optimization of body size following the SD model. Furthermore, because some resource allocation decisions necessarily precede others, understanding interdependent life history traits may require a more nested approach.
Assisting role redesign: a qualitative evaluation of the implementation of a podiatry assistant role to a community health setting utilising a traineeship approach
Moran Anna M,Nancarrow Susan A,Wiseman Leah,Maher Kerryn
Journal of Foot and Ankle Research , 2012, DOI: 10.1186/1757-1146-5-30
Abstract: Background Increasing demands for podiatry combined with workforce shortages due to attrition, part-time working practices and rural healthcare shortages means that in some geographic areas in Australia there are insufficient professionals to meet service demand. Although podiatry assistants have been introduced to help relieve workforce shortages there has been little evaluation of their impact on patient, staff and/or service outcomes. This research explores the processes and outcomes of a ‘trainee’ approach to introducing a podiatry assistant (PA) role to a community setting in the Australian Capital Territory (ACT) Government Health Service Directorate. Method A qualitative methodology was employed involving interviews and focus groups with service managers, qualified practitioners, the assistant, service users and consumer representatives. Perspectives of the implementation process; the traineeship approach; the underlying mechanisms that help or hinder the implementation process; and the perceived impact of the role were explored. Data were analysed using the Richie and Spencer Framework approach. Results Although the impact of the PA role had not been measured at the time of the evaluation, the implementation of the PA traineeship was considered a success in terms of enabling the transfer of a basic foot-care service from nursing back to podiatry; releasing Enrolled Nurses (ENs) from foot-care duties; an increase in the number of treatments delivered by the podiatry service; and high levels of stakeholder satisfaction with the role. It was perceived that the transfer of the basic foot-care role from nursing to podiatry through the use of a PA impacted on communication and feedback loops between the PA and the podiatry service; the nursing-podiatry relationship; clinical governance around the foot-care service; and continuity of care for clients through the podiatry service. The traineeship was considered successful in terms of producing a PA whose skills were shaped by and directly met the needs of the practitioners with whom they worked. However, the resource intensiveness of the traineeship model was acknowledged by most who participated in the programme. Conclusions This research has demonstrated that the implementation of a PA using a traineeship approach requires good coordination and communication with a number of agencies and staff and substantial resources to support training and supervision. There are added benefits of the new role to the podiatry service in terms of regaining control over podiatric services which was perceived
Fruit intake associated with urinary estrogen metabolites in healthy premenopausal women  [PDF]
Kerryn W. Reding, Charlotte Atkinson, Kim C. Westerlind, Frank Stanczyk, Erin J. Aiello Bowles, Mellissa Yong, Katherine M. Newton, Johanna W. Lampe
Open Journal of Preventive Medicine (OJPM) , 2012, DOI: 10.4236/ojpm.2012.21001
Abstract: Urinary concentrations of 2:16-hydroxyestrone (2:16-OHE1) approximate concentrations of 2-OHE1 and 16α-OHE1 in breast tissue. As estrogens are purported to be involved in breast cancer development, the 2:16-OHE1 ratio can provide an indication of estrogen metabolite exposure in the breast. With prior studies observing associations between urinary estrogen metabolites and dietary intakeof fruits, vegetables, and fiberascertained from food questionnaires, we examined associations between dietary factors ascertained through 3-day food records and urinary 2:16-OHE1 in191 pre-menopausal healthy women. Fruit consumption was positively associated with 2:16-OHE1 after adjustment for total energy, ethnicity, body mass index, parity, smoking history, and serum estradiol (p = 0.003). Fruit consumption was positively associated with 2-OHE1 concentrations (p = 0.006), but was not associated with 16α-OHE1 (p = 0.92). The Musaceae botanical grouping (comprised primarily of bananas) was positively associated with the 2:16-OHE1 ratio, and Rosaceae (comprised of citrus fruits) and Musaceae botanical groupings were positively associated with 2-OHE1 (but not 16α-OHE1) concentrations, after adjustment for confounders. Our data suggest that dietary fruit intakeis associated with urinary 2-OHE1 and the 2:16-OHE1 ratio and that breast tissue exposure to estrogen metabolites may thus be influenced-by diet.
Associations between Dietary Intake of Fruits and Vegetables in Relation to Urinary Estrogen DNA Adduct Ratio  [PDF]
Kerryn W. Reding, Muhammad Zahid, Ercole Cavalieri, Eleanor G. Rogan, Brianne S. Raccor, Charlotte Atkinson, Mellissa Yong, Katherine M. Newton, Johanna W. Lampe
Open Journal of Preventive Medicine (OJPM) , 2014, DOI: 10.4236/ojpm.2014.46050
Abstract:

Background: Estrogen exposure plays a role in breast cancer (BC) development. A novel estrogen biomarker, the estrogen DNA adduct (EDA) ratio, was shown to be elevated in women at high-risk of BC and among BC cases. Modifiable factors may impact the EDA ratio, with studies demonstrating that resveratrol reduces EDA ratio in vitro. We sought to examine the hypothesis that dietary intake of fruits and vegetables is inversely associated with EDA ratio. Methods: This analysis was conducted in 53 pre-menopausal, healthy women aged 40 - 45 years from a cross-sectional study in which participants provided first-void urine samples and 3-day food records. Urine samples were analyzed using ultra performance liquid chromatography/tandem mass spectrometry. The EDA ratio was calculated as the estrogen-DNA adducts divided by estrogen metabolites and conjugates. A trend test was used to assess associations between tertiles of dietary intake using linear regression. Results: After adjustment for age, total energy, percent adiposity, serum estradiol and estrone-sulfate, we observed inverse associations of EDA ratio with carbohydrate consumption (P = 0.01) and vegetable intake (P = 0.01). EDA ratio was inversely associated with 5 botanical groups (Chenopodiaceae: P = 0.02; Umbelliferae: P = 0.03; Compositae: P = 0.01; Ericaceae: P = 0.01; Musaceae: P = 0.03) but not fruit intake overall. Conclusion: Although these data

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