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Towards a classification of text types: a repertory grid approachDillon, Andrew, McKnight, Cliff January 1990 (has links)
This item is not the definitive copy. Please use the following citation when referencing this material: Dillon, A. and McKnight, C. (1990) Towards a classification of text types: a repertory grid approach. International Journal of Man-Machine Studies, 33, 623-636. Abstract: The advent of hypertext brings with it associated problems of how best to present non-linear texts. As yet, knowledge of readers' models of texts and their uses is limited. Repertory grid analysis offers an insightful method of examining these issues and gaining an understanding of the type of texts that exist in the readers' worlds. The present study investigates six researchers' perceptions of texts in terms of their use, content and structure. Results indicate that individuals construe texts in terms of three broad attributes: why read them, what type of information they contain, and how they are read. When applied to a variety of texts these attributes facilitate a classificatory system incorporating both individual and task differences and provide guidance on how their electronic versions could be designed.
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Reading from paper versus reading from screensDillon, Andrew, McKnight, Cliff, Richardson, John January 1988 (has links)
This paper reviews the literature on reading continuous text from VDUs. The focus is on the reported nature, and potential causes, of reading differences between paper and screens. The first section outlines the scope of the present review. Section 2 discusses the nature of the reported differences between reading from either presentation medium. Five broad differences have been identified suggesting that reading from VDUs is slower, less accurate, more fatiguing, decreases comprehension and is rated inferior by readers. Evidence for the existence of each of these differences is reviewed and conclusions are drawn. In Section 3, ten variables which have been proposed as potential causes of reading differences between paper and screen are reviewed. These include screen dynamics, display polarity, orientation, viewing angle and user characteristics. Recent evidence by Gould et al.11 is presented which suggests that the image quality of the screen display is the crucial factor and indicate that positive presentation, high resolution and anti-aliasing interactively affect performance by enhancing the quality of the displayed image. The implications of this work for screen presentation of text are presented.
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The effect of display size and text splitting on reading lengthy text from screenDillon, Andrew, Richardson, John, McKnight, Cliff January 1990 (has links)
This item is not the definitive copy. Please use the following citation when referencing this material: Dillon, A., Richardson, J. and McKnight, C. (1990) The effect of display size and paragraph splitting on reading lengthy text from screen. Behaviour and Information Technology, 9(3), 215-227. Abstract: The present paper reports on an experimental investigation of reader performance and preferences with a screen-presented journal article. The effects of display size (20 lines and 60 lines) and sentence splitting on readers' manipulation, comprehension and subjective impressions are assessed. The results indicate that neither variable significantly affects comprehension but adjusted manipulation levels are significantly higher in the small window condition. Splitting sentences across screens also caused readers to return to the previous page to re-read text significantly more. Subjective data reveal a preference for larger screens and high awareness of text format. Implications for future work are discussed.
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Towards the design of a full text, searchable database: implications from a study of journal usageDillon, Andrew, Richardson, John, McKnight, Cliff January 1988 (has links)
Editor's note: This is a preprint of the paper "Towards the design of a full text, searchable database: implications from a study of journal usage" published in the British Journal of Academic Librarianship. The preprint title is slightly different. Abstract: The present paper reports on a study of journal usage amongst professional researchers. The aim of the study was to shed light on how journals are used with a view to making recommendations about the
development of a full-text, searchable database that would support such usage. The results indicate that
levels of usage vary over time, the range of journals covered is small and readers overlook a large
proportion of the contents of articles. Furthermore, three reading strategies are observed which indicate
that the structure of journal articles is not ideally suited to their uses. The implications of these findings
for developing suitable computer-based applications are discussed.
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OPAC UsabilityKaufman, Sarah, Grondin, Karen, Konieczny, Tim, Gutwein, Ava 04 1900 (has links)
A study of OPAC usability in regard to how user age, computer skills, and education affect searching success.
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The Relationship Between Cultural Diversity and User Needs in Virtual Reference ServicesShachaf, Pnina, Snyder, Mary January 2007 (has links)
While the racial diversity of academic library users continues to grow, research on the effects of this diversity remains scarce. This study looks at similarities and differences between non-traditional Caucasian and African American library users through content analysis of ninety-four virtual reference transactions.
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The Relationship Between Cultural Diversity and User Needs in Virtual Reference ServicesShachaf, Pnina, Snyder, Mary January 2007 (has links)
While the racial diversity of academic library users continues to grow, research on the effects of this diversity remains scarce. This study looks at similarities and differences between non-traditional Caucasian and African American library users through content analysis of ninety-four virtual reference transactions.
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The Changing Nature of Information Work in MuseumsMarty, Paul F. January 2007 (has links)
This paper presents results from twenty-one semi-structured interviews with museum information professionals (MIPs) who were asked about their experiences working with information resources, tools, and technologies. Interviews were analyzed to determine 1) the challenges MIPs face as they adapt to changing technical capabilities and strive to meet the changing needs and expectations of museum users; and 2) the coping mechanisms MIPs employ on the job that enable them to deal effectively with those challenges. The paper presents the results of this analysis, exploring how MIPs cope with the changing nature of information work in museums by relying on thirteen different strategies, including assessing new technologies in relation to the museumâ s core mission, helping museum professionals embrace new ideas about information access and provision, and promoting internal practices that encourage the sharing of information and the integration of information science into museum work. The paper discusses the implications of these challenges and strategies for current and future MIPs, and assesses their impact on changing perceptions, roles, and research for information professionals in museums as they work to meet the information needs of all museum users.
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Collaboration in the large: Using video conferencing to facilitate large group interactionSonnenwald, Diane H., Soloman, Paul, Hara, Noriko, Bolliger, Reto, Cox, Tom January 2002 (has links)
This chapter discusses the social, organizational and technical challenges and solutions that emerged when facilitating collaboration through videoconferencing for a large, geographically dispersed research and development (R&D) organization. Collaboration is an integral component of many R&D organizations. Awareness of activities and potential contributions of others is fundamental to initiating and maintaining collaboration, yet this awareness is often difficult to sustain, especially when the organization is geographically dispersed. To address these challenges, we applied an action research approach, working with members of a large, geographically distributed R&D center to implement videoconferencing to facilitate collaboration and large group interaction within the center. We found that social, organizational and technical infrastructures needed to be adapted to compensate for limitations in videoconferencing technology. New social and organizational infrastructure included: explicit facilitation of videoconference meetings; the adaptation of visual aids; and new participant etiquette practices. New technical infrastructure included: upgrades to video conference equipment; the use of separate networks for broadcasting camera views, presentation slides and audio; and implementation of new technical operations practices to support dynamic interaction among participants at each location. Lessons learned from this case study may help others plan and implement videoconferencing to support interaction and collaboration among large groups.
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The internet as an information source vs. level of satisfaction: Users' learning styles, perceptions, emotions and regression model at National Institutes of Technology in IndiaJange, Suresh, Sami, Lalitha K., Angdi, Mallikarjun, Aeri, Jeetender R. January 2006 (has links)
An attempt has been made to promote and optimize the use of the Internet as an information Source among engineering faculty and research scholars of National Institutes of Technology (NITs) in India. A total of 850 questionnaires and interview schedules were distributed to the faculty and research scholars of NITs in India, 665 questionnaires were duly obtained with a response rate of 78.24%. An attempt has been made to develop an instrument of acceptance of Internet technology known as Technology Acceptance Model (TAM) among faculty and Research scholars of National Institutes of Technology (NITs) in India using the original constructs i.e. Perceived Usefulness as â the degree to which a person believes that using a particular system would enhance his or her job performanceâ , and Perceived Ease of Use as â the degree to which a person believes that using a particular system would be free of effortâ . Thus, the Perceived Usefulness of Internet Technology, Perceived Ease of use, Experience of using Internet, attitude towards using Internet, Behavioral Intention to use Internet, Perceived Complexity and actual System use using the Internet has been determined and thereby reflecting the Learning Style, Per-ceptions and Emotions of the focus groups. Further the research study encompasses independent vari-ables mainly Designation, Age, Qualification, Teaching and Research Experience and Formal Training of respondents. In this paper, efforts were made to examine the relationship between the variables Use of Internet (UOI) and Level of Satisfaction (LOS), as a two major dependent variables of the research study. The various dimensions included are quantification of these two variables. To evaluate multiple effects, a set of four variables i.e. age, teaching and research experience and level of satisfaction were put to Regression Analysis to see the multiple effects on variable Use of Internet. The variable LOS has emerged as the most affecting the dependent variable that means affecting the dependent variables i.e. Use of Internet. Thus, there is very high correlation between variables, Use of Internet and Level of satis-faction. The co-efficient of correlation is also statistically significant showing high positive correlation, which implies that higher the level of satisfaction, higher will be the use of Internet. This has resulted in coming out with a mathematical â regression model in which the results of regression analysis shows that, the four variables age, teaching and research experience and level of satisfaction put together explains 39 per cent of variance in variable Use of Internet (UOI).
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