51 resultados para textual coherence


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In this paper I describe the discursive strategies related to the writer–reader textual reciprocity. I focus on one way of achieving such reciprocity -- the employment by the writer of facilitative schematic structures and metalanguage where one text segment signposts information conveyed in the segment that follows. I refer to these facilitative schematic structures as "organising relational schemata". I see organising relations as the most explicit components of the rhetorical structure of texts: they illuminate the main message and aid the reader's cognitive processes in the orientation of how information is conveyed by text.
This paper discusses the way the choices of organising relations and associated metalanguage by the writers in different cultures and different discourse communities contribute to the communicative homeostasis in the world of text. It shows how the influence of a native culture and intellectual style together with the forces operating within the writer's international disciplinary community interact in the authorial guidance in the scholarly prose.
I introduce and exemplify three types of organising relational structures: Advance Organisers, Introducers and Enumerators. I trace the utilisation of these three types of relations in sociology research papers written in English and produced in "Anglo" and Polish academic discourse comunities by native English speaking and native Polish speaking scholars. The relational typology adopted is based on a study by Golebiowski (2002), which proposed a theoretical framework for the examination of discoursal structure of research papers, referred to as FARS – Framework for the Analysis of the Rhetorical Structure of Texts. FARS entails a relational taxonomy which displays a pattern of rhetorical relations utilised by the writer to achieve textual coherence.
I describe intertextual differences in the frequency of occurrence of organising relations, their degree of explicitness and their positioning in the hierarchical structure of texts. Differences in the mode of employment of textual organisers suggest that the rhetorical structure of English research prose produced by non-native speakers cannot escape being shaped by the characteristics and conventions of the authors’ first language. They are also attributed to cultural norms and conventions as well as educational systems prevailing within the discourse communities which constitute the social contexts of texts.

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A tapestry is a fabric in which multicoloured threads are interwoven to produce a pictorial design. The design of a tapestry often seems three-dimensional with layers of interwoven images of people and events from various times past and present. I use the tapastry as a motif or metaphor to describe the bordering and interweaving of my 'multiple lifeworlds' (Cope & Kalantzis 8) as an Italian Australian woman, academic, writer and social activist. Within and between each .of these worlds are points of tension and confluence, questions and emotions that motivate my own research and writing, and motivate my work with young people to articulate their own 'multiple lifeworlds' through writing
and art.

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This study investigated the physical and psychological impact of arthritis on people's quality of life. A range of variables were examined in a sample of 375 participants who comprised three groups: people with arthritis receiving a support-based service from the Arthritis Foundation of Victoria, people with arthritis receiving standard treatment, and a group of people from the general population. The results revealed that the two arthritis groups reported a significantly higher level of functional impairment, pain, and negative affectivity, and lowered mood, positive affect, and Sense of Coherence, compared to the general population group. They also reported normal levels of importance, but lower levels of satisfaction on various life domains. After statistically controlling for pain however, group differences were eliminated on all variables except for functional impairment and for all satisfaction domains except health. These data are interpreted as evidence that the combination of low domain satisfaction coupled with high domain importance yields a negative psychological state. This, then suggests the possibility of a therapy based on reducing the perceived importance of health.

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The purpose of this study was to quantify the strength of motor-unit coherence from the first dorsal interosseus muscle in young and old adults using data obtained in a previous study, where no differences in motor-unit synchronization between the two groups were observed.

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The purpose of the study was to quantify the strength of motor-unit coherence from the left and right first dorsal interosseous muscles in untrained, skill-trained (musicians), and strength-trained (weightlifters) individuals who had long-term specialized use of their hand muscles. The strength of motor-unit coherence was quantified from a total of 394 motor-unit pairs in 13 subjects using data from a previous study in which differences were found in the strength of motor-unit synchronization depending on training status. In the present study, we found that the strength of motor-unit coherence was significantly greater in the left compared with the right hand of untrained right-handed subjects with the largest differences observed between 21 and 24 Hz. The strength of motor-unit coherence was lower in both hands of skill-trained subjects (21–27 Hz) and the right (skilled) hand of untrained subjects (21–24 Hz), whereas the largest motor-unit coherence was observed in both hands of strength-trained subjects (3–9 and 21–27 Hz). A strong curvilinear association was observed between motor-unit synchronization and the integral of coherence at 10–30 Hz in all motor-unit pairs (r2 = 0.77), and was most pronounced in strength-trained subjects (r2 = 0.90). Furthermore, this association was accentuated when using synchronization data with broad peaks (>11 ms), suggesting that the 10- to 30-Hz coherence is due to oscillatory activity in indirect branched common inputs. The altered coherence with training may be due to an interaction between cortical inhibition and the number of direct common inputs to motor neurons in skill- or strength-trained hands.

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In this paper I argue for the use of Deleuzian theories in educational contexts. In particular, I am interested in the use of the concept of rhizomes, and the analysis of texts as rhizomes, drawing on Deleuze and Guattari's work in A Thousand Plateaus (1987). I discuss the possibilities for using rhizomatics in educational contexts through an exploration of the construction of an 'apparatus of social critique' (Buchanan, 2000). I then describe a rhizomatic understanding of the relationships between teachers and policy texts, which can disrupt commonsense understandings of these relations. I provide examples from my own research (Honan, 2001) of a rhizo-textual analysis of policy texts. This rhizo-textual analysis involved an exploration of the construction of the subject position, teacher, within one policy text, as well as a mapping of two teachers' readings of this text. The paper concludes with a discussion of the implications for using Deleuzian theory in educational contexts, implications for both policy developers and educational researchers.

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Histograms have been used for Shape Representation and Retrieval. The drawback of the histograms method is that histograms can be same for dissimilar shapes, which renders the method less effective for retrieval of shapes. In this paper, we describe the concept of coherence. We show how coherence can be used with distance and angular histograms. We perform experiments to test the effectiveness of the proposed method. It is found that coherence improves accuracy of retrieval significantly.