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2003

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Articles 5671 - 5700 of 7815

Full-Text Articles in Social and Behavioral Sciences

Dehydration And Partial Melting In Subduction Zones: Constraints From U-Series Disequilibria, Bernard Bourdon, Simon Turner, Anthony Dosseto Jan 2003

Dehydration And Partial Melting In Subduction Zones: Constraints From U-Series Disequilibria, Bernard Bourdon, Simon Turner, Anthony Dosseto

Faculty of Science, Medicine and Health - Papers: part A

We present a critical reappraisal of U-series data from arc volcanoes to constrain slab dehydration and melting processes using a global subduction zone data set. There is no clear evidence for significant mobilization of Th or Pa in dehydration fluids while the source region of arc rocks is relatively oxidized and mobility of U is strongly enhanced. It is argued that along-arc U/Th and U/Pa isotope data reflect time-integrated addition of U from the slab to the mantle wedge. The presence of large Ra-Th disequilibrium correlated with Ba/Th ratios provides evidence for some very recent fluid addition and fast magma …


The Chronostratigraphy Of A Holocene Barrier Estuary: Lake Illawarra Nsw, Craig R. Sloss, Brian G. Jones, Colin V. Murray-Wallace, Charles Mcclennan Jan 2003

The Chronostratigraphy Of A Holocene Barrier Estuary: Lake Illawarra Nsw, Craig R. Sloss, Brian G. Jones, Colin V. Murray-Wallace, Charles Mcclennan

Faculty of Science, Medicine and Health - Papers: part A

Valley-fill sequences, preserved in topographic lows associated with incised valley systems, potentially preserve a record of Holocene sea level fluctuations. A detailed litho- and biostratigraphy of the Holocene barrier estuary, Lake Illawarra, New South Wales has been constructed. Forty kilometres of seismic surveys, forty-one vibracores, supplemented by auger drill holes and trenches, and faunal analysis provides the data for this investigation. A detailed chronology of the infilling of the barrier estuary has been established using 115 aspartic acid derived ages and six radiocarbon ages. The results provide a detailed chronology for the deposition of marine transgressive deposits, barrier growth, and …


Vygotsky's Socio-Cultural Theory And The Zone Of Proximal Development, Irina Verenikina Jan 2003

Vygotsky's Socio-Cultural Theory And The Zone Of Proximal Development, Irina Verenikina

Faculty of Social Sciences - Papers (Archive)

Vygotsky's life goal was to create a psychology adequate for the investigation of consciousness. He stated that consciousness is constructed through a subject’s interactions with the world. Consciousness is neither reducible to behaviour nor separate from it, but instead is an attribute of the organisation of practical activity. It is the process that organises behaviour. Vygotsky introduced the idea of externally mediated activity that involves the use of external means to reach a goal. This led to the idea that mental processes could only be understood if we understand the tools and signs that mediate them. Wertsch believed that it …


Replacing Traditional Lectures, Tutorials And Exams With A Knowledge Building Community (Kbc): A Constructivist, Problem-Based Approach To Pre-Service Primary Teacher Education, Brian L. Cambourne, Julie Kiggins, Brian Ferry Jan 2003

Replacing Traditional Lectures, Tutorials And Exams With A Knowledge Building Community (Kbc): A Constructivist, Problem-Based Approach To Pre-Service Primary Teacher Education, Brian L. Cambourne, Julie Kiggins, Brian Ferry

Faculty of Social Sciences - Papers (Archive)

This paper reports on a journey that begun in 1997 when a small group in the Faculty of Education at the University of Wollongong agreed to trial an alternative model of teacher education known as the Knowledge Building Community (KBC) Project. This alternative model of teacher education was based upon three learning principles, community learning, school-based learning and problem-based learning. Since the first students began in 1999 the original model has undergone several revisions and is now best described as a ?negotiated-evaluation-of-a-non-negotiable-curriculum-based-on-a-constructivist-model-of-learning-and-knowledge-building?. The aim of the KBC Program has been to deal with the perennial problem of contextualising students' professional …


Exacerbation Of Tgf-Β-Induced Cataract By Fgf-2 In Cultured Rat Lenses, Anna Cerra, Kylie Mansfield, Coral Chamberlain Jan 2003

Exacerbation Of Tgf-Β-Induced Cataract By Fgf-2 In Cultured Rat Lenses, Anna Cerra, Kylie Mansfield, Coral Chamberlain

Faculty of Social Sciences - Papers (Archive)

Purpose: Culturing rat lenses with transforming growth factor-beta (TGFβ) results in the formation of anterior, opaque subcapsular plaques which exhibit many of the features of human subcapsular cataract. The present study was undertaken to determine whether this process is influenced by the presence of fibroblast growth factor (FGF), a normal component of the lens environment in situ.

Methods: Rat lenses were cultured for 4-8 days with TGFβ-2, alone or in combination with FGF-2, PDGF-AA, or the growth factor inhibitors poly(4-styrenesulfonic acid) (PSS) and suramin. Responses were assessed by monitoring opacification, by routine histology and immunolocalization of markers for fibrotic change …


Professional Learning In Different Contexts Of Mathematics Teacher Education, Ian Putt, Elizabeth Warren, Anthony Herrington Jan 2003

Professional Learning In Different Contexts Of Mathematics Teacher Education, Ian Putt, Elizabeth Warren, Anthony Herrington

Faculty of Social Sciences - Papers (Archive)

Editorial


Mathematics Teachers' Beliefs And Curriculum Reform, B Handal, Anthony Herrington Jan 2003

Mathematics Teachers' Beliefs And Curriculum Reform, B Handal, Anthony Herrington

Faculty of Social Sciences - Papers (Archive)

This paper discusses the role of mathematics teachers’ beliefs and their impact on curriculum reform. It is argued that teachers’ beliefs about the teaching and learning mathematics are critical in determining the pace of curriculum reform. Educational change is a complex process in which teachers hold strong beliefs about the quality and the process of innovation. Curriculum implementation may only occur through sufferance as many teachers are suspicious of reform in mathematics education given its equivocal success over the past decades. It is not surprising then that many teachers, when they come to enact the curriculum in their classes, rely …


Teachers Function Schemas And Their Role In Modelling, Mohan Chinnappan, Mike Thomas Jan 2003

Teachers Function Schemas And Their Role In Modelling, Mohan Chinnappan, Mike Thomas

Faculty of Social Sciences - Papers (Archive)

An important element in teaching is the quality of content and pedagogical knowledge that teachers use in the design and delivery of their lessons. In this paper we present a framework for investigating how this knowledge is structured and how it relates to the mathematical modelling process. The framework is then used to compare an experienced teacher’s knowledge and teaching of functions with that of four trainee teachers. The data show that the experienced teacher has built up knowledge that is dominated by conceptual rather than procedural aspects of functions, whereas the prospective teachers have structures often lacking a strong …


Benefits And Barriers To The Consumption Of A Vegetarian Diet In Australia, Emma Lea, Anthony Worsley Jan 2003

Benefits And Barriers To The Consumption Of A Vegetarian Diet In Australia, Emma Lea, Anthony Worsley

Faculty of Social Sciences - Papers (Archive)

Objective: The aim of this study was to examine consumers' perceived benefits and barriers to the consumption of a vegetarian diet.

Design: Survey (written questionnaire) that included questions on perceived benefits and barriers to the consumption of a vegetarian diet.

Setting: South Australia.

Subjects: Six hundred and one randomly selected South Australians.

Results: The main perceived barriers to adopting a vegetarian diet were enjoying eating meat and an unwillingness to alter eating habits. This was the case for men, women and all age groups, although there were sex and age differences present in over half of the barrier items. For …


Higher-Rank Graphs And Their C*-Algebras, Iain Raeburn, Aidan Sims, Trent Yeend Jan 2003

Higher-Rank Graphs And Their C*-Algebras, Iain Raeburn, Aidan Sims, Trent Yeend

Faculty of Engineering and Information Sciences - Papers: Part A

We consider the higher-rank graphs introduced by Kumjian and Pask as models for higher-rank Cuntz-Krieger algebras. We describe a variant of the Cuntz-Krieger relations which applies to graphs with sources, and describe a local convexity condition which characterises the higher-rank graphs that admit a nontrivial Cuntz-Krieger family. We then prove versions of the uniqueness theorems and classifications of ideals for the C*-algebras generated by Cuntz-Krieger families.


Rank-One Convexity Implies Quasi-Convexity On Certain Hypersurfaces, Nirmalendu Chaudhuri, Stefan Muller Jan 2003

Rank-One Convexity Implies Quasi-Convexity On Certain Hypersurfaces, Nirmalendu Chaudhuri, Stefan Muller

Faculty of Engineering and Information Sciences - Papers: Part A

No abstract provided.


Countably Generated Hilbert Modules, The Kasparov Stabilisation Theorem, And Frames In Hilbert Modules, Iain Raeburn, Shaun J. Thompson Jan 2003

Countably Generated Hilbert Modules, The Kasparov Stabilisation Theorem, And Frames In Hilbert Modules, Iain Raeburn, Shaun J. Thompson

Faculty of Engineering and Information Sciences - Papers: Part A

We consider a class of countably generated Hilbert modules in which the generators are multipliers of the module, and prove a version of the Kasparov Stabilisation Theorem for these modules. We then extend recent work of Frank and Larson on frames in Hilbert modules.


Compiler Optimization And Ordering Effects On Vliw Code Compression, Montserrat Ros, Peter Sutton Jan 2003

Compiler Optimization And Ordering Effects On Vliw Code Compression, Montserrat Ros, Peter Sutton

Faculty of Engineering and Information Sciences - Papers: Part A

Code size has always been an important issue for all embedded applications as well as larger systems. Code compression techniques have been devised as a way of battling bloated code; however, the impact of VLIW compiler methods and outputs on these compression schemes has not been thoroughly investigated. This paper describes the application of single- and multipleinstruction dictionary methods for code compression to decrease overall code size for the TI TMS320C6xxx DSP family. The compression scheme is applied to benchmarks taken from the Mediabench benchmark suite built with differing compiler optimization parameters. In the single instruction encoding scheme, it was …


Image Retrieval With Svm Active Learning Embedding Euclidean Search, Lei Wang, Kap Luk Chan, Yap Peng Tan Jan 2003

Image Retrieval With Svm Active Learning Embedding Euclidean Search, Lei Wang, Kap Luk Chan, Yap Peng Tan

Faculty of Engineering and Information Sciences - Papers: Part A

Image retrieval with relevance feedback suffers from the small sample problem. Recently, SVM active learning has been proposed to tackle this problem, showing promising results. However, a small but sufficient number of initially labelled samples are still required to ensure the subsequent active learning efficient and good retrieval performance. In the existing method, the user is asked to label more images before active learning starts. In this paper, a method of embedding Euclidean search into SVM active learning is proposed. With the help of Euclidean search, not only the adverse effect on retrieval performance due to lack of initially labelled …


The Surface Area Preserving Mean Curvature Flow, James Mccoy Jan 2003

The Surface Area Preserving Mean Curvature Flow, James Mccoy

Faculty of Engineering and Information Sciences - Papers: Part A

We adopt similar notation to Huisken in [Hu1] and [Hu2]. Let M be an n-dimensional Riemannian manifold.


Perceptions Of Kanji Learning Strategies: Do They Differ Among Chinese Character And Alphabetic Background Learners?, G. Haththotuwa Gamage Jan 2003

Perceptions Of Kanji Learning Strategies: Do They Differ Among Chinese Character And Alphabetic Background Learners?, G. Haththotuwa Gamage

Faculty of Arts - Papers (Archive)

This study investigates three important issues in kanji learning strategies; namely, strategy use, effectiveness of strategy and orthographic background. A questionnaire on kanji learning strategy use and perceived effectiveness was administered to 116 beginner level, undergraduate students of Japanese from alphabetic and character backgrounds in Australia. Both descriptive and statistical analyses of the questionnaire responses revealed that the strategies used most often are the most helpful. Repeated writing was reported as the most used strategy type although alphabetic background learners reported using repeated writing strategies significantly more often than character background learners. The importance of strategy training and explicit instruction …


Re-Marking On History, Or, Playing Basketball With Godzilla: Thomas King’S Monstrous Post-Colonial Gesture, Gerry Turcotte Jan 2003

Re-Marking On History, Or, Playing Basketball With Godzilla: Thomas King’S Monstrous Post-Colonial Gesture, Gerry Turcotte

Faculty of Arts - Papers (Archive)

[Extract] The act of colonisation is articulated through the language of Western epistemology: through “scientific” discourses and reasonings — such as cartography, historiography, law and taxonomy — and through the language and practices of Christianity: collectively what Stephen Slemon has termed the “cognitive legacies of imperialism”. The inevitability and rightness of this on-going act — this “false totalization” — have been recorded, perpetuated and naturalised through a series of Master Narratives which organise and police the boundaries of the tale. Those who seek to resist being interpellated into such narratives frequently find that they are called upon to engage in …


Love And Hate In European Eyes: Emma Goldman And Alexander Berkman On America, Anthony Ashbolt Jan 2003

Love And Hate In European Eyes: Emma Goldman And Alexander Berkman On America, Anthony Ashbolt

Faculty of Arts - Papers (Archive)

In the wake of September 11, a classic European disdain for American sentiment became apparent. Even American intellectuals, like Susan Sontag and Gore Vidal, issued pronouncements that reflected a profoundly European sensibility, one embedded in notions of tradition and memory. Yet within the contemporary European critiques of America there frequently lurks a distinct affection. Note the ambivalence of many commentators (not, to be sure, just Europeans) in Granta 77: What We Think of America. This paradoxical embrace and withdrawal is hardly new and, in a sense, arises from the essential unknowability of America remarked upon by both John Gray and …


Education Aims To Nurture A Thinking World, Anthony Ashbolt Jan 2003

Education Aims To Nurture A Thinking World, Anthony Ashbolt

Faculty of Arts - Papers (Archive)

One of the main tasks of education is to nurture inquiring minds. Equipping students with a capacity to think about the world is as important as gaining a formal qualification. Indeed, the two should not be separated - what use is a qualification which has not also enabled you to be a thoughtful citizen? A democratic system is dependant upon an educated and informed public. When both education and information are restricted, democracy suffers accordingly.


Reviews: Suburban Warriors - The Origins Of The New American Right; The Book Of Jerry Falwell - Fundamentalist Language And Politics; Blinded By The Right - The Conscience Of An Ex-Conservative, Anthony Ashbolt Jan 2003

Reviews: Suburban Warriors - The Origins Of The New American Right; The Book Of Jerry Falwell - Fundamentalist Language And Politics; Blinded By The Right - The Conscience Of An Ex-Conservative, Anthony Ashbolt

Faculty of Arts - Papers (Archive)

The triumph of a neoliberal economic doctrine in America has been accompanied by, indeed partly propelled by, a conservative social and moral agenda. The paradox is this - as neoliberalism cuts its swathe through tradition, remaking the social order out of the ruins of a New Deal consensus, it removes the material conditions that can sustain social and moral conservatism. Thus it is that the Supreme Court recently upheld the doctrine of privacy in Lawrence vs. Texas and effectively challenged state laws banning sodomy. In a dissenting decision, Justice Antonin Scalia warned that the Court had taken the wrong side …


Film Policy And The Coming Of Sound To Cinema In Colonial Korea, Brian M. Yecies Jan 2003

Film Policy And The Coming Of Sound To Cinema In Colonial Korea, Brian M. Yecies

Faculty of Arts - Papers (Archive)

During the transition between silent and sound cinema in Korea (1929-1939), Japanese colonial film policies established stringent market barriers for local Hollywood distribution exchanges and simultaneously increased opportunities for domestic Korean and Japanese film productions. The Government-General of Korea enacted regulatory initiatives, including film censorship, as part of Japan's larger imperial agenda aimed at strengthening and expanding its Empire. In turn, the domestic film industry in Korea was invigorated and modernized by a number of Korean film people (younghwa-in) who gained valuable experience and training while travelling back and forth between Korea and Japan. Korean film pioneers innovated local solutions …


L'Email Per Imparare L'Italiano: Aspetti Linguistici E Contenutistici Della Comunicazione Telematica In Italiano L2, Mariolina Pais Marden, Matthew Absalom Jan 2003

L'Email Per Imparare L'Italiano: Aspetti Linguistici E Contenutistici Della Comunicazione Telematica In Italiano L2, Mariolina Pais Marden, Matthew Absalom

Faculty of Arts - Papers (Archive)

The integration of electronic communication into the teaching and learning of languages has opened up new horizons. This paper discusses a project involving the use of email exchanges in the Italian program at the Australian National University. Approximately eighty students participated in the project which consisted of two iterations of a one-to-one email conversation. This article examines the language and content of the messages constructed by students in terms of the following features:• the implications of the physical, psychological and temporal distance inherent in email communication • the differences between email communication of native speakers and learners • the dialogic …


Klim Voroshilov And The Red Cavalry: Reassessing The Most Incompetent Man In The Red Army, Stephen M. Brown Jan 2003

Klim Voroshilov And The Red Cavalry: Reassessing The Most Incompetent Man In The Red Army, Stephen M. Brown

Faculty of Arts - Papers (Archive)

Cavalrymen have not had a good press in the twentieth century, especially when their responsibilities have extended outside their specialist field. In his memoirs, former Prime Minister Lloyd George blamed the 'ridiculous cavalry obsession' of his generals for the needless deaths of British soldiers in World War One. I A variation on this theme is to be found in the literature concerning the Red Army in the lead-up to the Second World War. Here the alleged culprit was KErn Voroshilov (1881-1969), the man chosen by Joseph Stalin to serve as Peoples Commissar for Military and Naval Affairs from 1925 to …


Health Promotions And Lifestyle Shoalhaven, South Coast Nsw, Joanne Buckskin Jan 2003

Health Promotions And Lifestyle Shoalhaven, South Coast Nsw, Joanne Buckskin

Faculty of Arts - Papers (Archive)

Health Promotion and the development of resources was the inspiration for this community based Shoalhaven Story Telling Project. It was envisaged that the resources produced from this project would be used in Health Promotion and reconciliation activities throughout the Illawarra.


The Corrosive Acid Of Commercialism Has Bitten Into Our Life': Commodification And The Rise Of Popular Political Economy In Australia 1900-25, Ben Maddison Jan 2003

The Corrosive Acid Of Commercialism Has Bitten Into Our Life': Commodification And The Rise Of Popular Political Economy In Australia 1900-25, Ben Maddison

Faculty of Arts - Papers (Archive)

The term 'commercialism' started to appear in Australian popular and political discourse in the decades that spanned 1900. On one hand, its appearance reflected the qualitative change in commodity relations in Australia in that period. On the other, the use of the term was also part of the reconstucted conceptual apparatus through which working class and popular anti-capitalist stances were articulated. This popular political economy was a vernacular expression of social knowledge about the dehumanising effects of the commodification process. It also expressed popular resistance to bourgeois attempts to represent capitalist institutions such as the market as natural and inevitable.


Belated Labour Reform: Australia And The Abolition Of Asian Indenture, Julia T. Martinez Jan 2003

Belated Labour Reform: Australia And The Abolition Of Asian Indenture, Julia T. Martinez

Faculty of Arts - Papers (Archive)

The abolition of indentured labour and the rejection of so-called' coloured' labour was a central concern of the first parliament of Australia, following" Federation. An exception was made, however, for the pearl-shelling industry which continued to import Asian indents despite concerns that this undermined the ' White Australian agenda. In the 1950s Australian government support for indentured labour remained steadfast ignoring growing international criticism. The dismantling of the indenture system in the late 1960s was a belated attempt at labour reform. Government debates, however, reveal that the liberalisation of labour policy masked a continued desire to limit Asian immigration.


Political Science In A Different Voice: Women Faculty Perspectives On The Status Of Women In Political Science Departments In The South, Laura Van Assendelft, Wendy Gunther-Canada, Julie Dolan, Barbara Palmer, Michele Swers Jan 2003

Political Science In A Different Voice: Women Faculty Perspectives On The Status Of Women In Political Science Departments In The South, Laura Van Assendelft, Wendy Gunther-Canada, Julie Dolan, Barbara Palmer, Michele Swers

Julie Dolan

No abstract provided.


Meeting America’S Future Energy Needs, Murray Weidenbaum Jan 2003

Meeting America’S Future Energy Needs, Murray Weidenbaum

Center for Applied Economics

A modern society is vitally dependent on an adequate supply of energy. Electricity blackouts or severe gasoline shortages quickly bring the economy to a halt. Nevertheless, we usually take energy for granted — until the shortage hits us or the price shoots up. This is a plea for getting ahead of the curve. The United States needs to develop a new national energy policy now in order to be able to meet our needs in the years ahead — before the times of crisis.


Culture, Practice, And Law: Women’S Access To Land In Rwanda, Jennie E. Burnet, Rwanda Initiative For Sustainable Development Jan 2003

Culture, Practice, And Law: Women’S Access To Land In Rwanda, Jennie E. Burnet, Rwanda Initiative For Sustainable Development

Anthropology Faculty Publications

Women constitute the majority of the Rwandan population and labour force, particularly in agriculture, but have faced substantial constraints on their participation in the economy and society. The discriminatory laws and practices in education, employment, inheritance and finance have marginalized women. Consequently, the majority of women in Rwanda remain poor and vulnerable. (Rwanda Development Indicators, Ministry of Finance and Planning, 1999).


Lincoln On Secession, Peter Lindsay, Christopher Heath Wellman Jan 2003

Lincoln On Secession, Peter Lindsay, Christopher Heath Wellman

Political Science Faculty Publications

The recent spate of secessionist conflicts has inspired many of us to return to the classics of political theory for moral guidance on statebreaking. Because Hobbes, Locke, Rousseau, et al. are virtually silent on this topic, however, we look in this paper at the writing of Abraham Lincoln.