Search (110 results, page 1 of 6)

  • × theme_ss:"Benutzerstudien"
  1. Whitmire, E.: Undergraduates' information seeking behavior : the role of epistemological development theories and models (1999) 0.06 
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    Abstract
    Researchers in the discipline of Higher Education have examined philosophical and psychological literature to develop epistemological development theories and models. They are primarily interested in understanding: "how individuals come to know, the theories and beliefs they hold about knowing, and the manner in which such epistemological premises are a part of and an influence on the cognitive processes of thinking and reasoning" (Hofer & Pintrinch, 1997). I propose to develop a theoretical framework for undergraduates' information seeking behavior based upon the insights into their knowledge construction offered through these models and theories of epistemological development. Epistemology is defined as "the philosophical study of the nature, sources, and limits of knowledge' (Moser, Mulder, & Trout, 1998). I will focus my paper on four major theories and models of undergraduates' epistemological development. I will present a new model of information seeking behavior incorporating these theories and models about how undergraduates construct knowledge and the consequent influence on their information seeking behavior
    Date
    26. 5.2002 15:29:17
  2. Westman, S.; Laine-Hernandez, M.; Oittinen, P.: Development and evaluation of a multifaceted magazine image categorization model (2011) 0.05 
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    Abstract
    The development of visual retrieval methods requires information about user interaction with images, including their description and categorization. This article presents the development of a categorization model for magazine images based on two user studies. In Study 1, we elicited 10 main classes of magazine image categorization criteria through sorting tasks with nonexpert and expert users (N=30). Multivariate methods, namely, multidimensional scaling and hierarchical clustering, were used to analyze similarity data. Content analysis of category names gave rise to classes that were synthesized into a categorization framework. The framework was evaluated in Study 2 by experts (N=24) who categorized another set of images consistent with the framework and found it to be useful in the task. Based on the evaluation study the framework was solidified into a model for categorizing magazine imagery. Connections between classes were analyzed both from the original sorting data and from the evaluation study and included into the final model. The model is a practical categorization tool that may be used in workplaces, such as magazine editorial offices. It may also serve to guide the development of computational methods for image understanding, selection of concepts for automatic detection, and approaches to support browsing and exploratory image search.
    Date
    22. 1.2011 14:09:26
  3. Brodeur, C.: ¬Les enfants at la recherche d'information (1997) 0.03 
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    Abstract
    Report of a study at the University of Montreal (Quebec) analysing research on the behaviour of children using information technology (online databases, CD-ROM, computerised catalogues). From a range of publications covering 6-12 year olds in the US, Canada, Europe and Oceania common features were identified: (1) children's cognitive development does not match the structured approach required for this type of information research, (2) the main abrriers were physical (e.g. using keyboard), intellectual (no capacity for abstract reasoning) and social (little access to computers); (3) in terms of natural skills, boys has greater abilities than girls. Results indicate the need to make technology more appropriate for children, and train libarrians to recognise the real capacities and limitations of children so they can teach them the basic skills
    Date
    29. 1.1996 16:50:24
  4. Jansen, B.J.; Spink, A.; Pedersen, J.: ¬A temporal comparison of AItaVista Web searching (2005) 0.03 
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    Abstract
    Major Web search engines, such as AItaVista, are essential tools in the quest to locate online information. This article reports research that used transaction log analysis to examine the characteristics and changes in AItaVista Web searching that occurred from 1998 to 2002. The research questions we examined are (1) What are the changes in AItaVista Web searching from 1998 to 2002? (2) What are the current characteristics of AItaVista searching, including the duration and frequency of search sessions? (3) What changes in the information needs of AItaVista users occurred between 1998 and 2002? The results of our research show (1) a move toward more interactivity with increases in session and query length, (2) with 70% of session durations at 5 minutes or less, the frequency of interaction is increasing, but it is happening very quickly, and (3) a broadening range of Web searchers' information needs, with the most frequent terms accounting for less than 1% of total term usage. We discuss the implications of these findings for the development of Web search engines.
    Date
    3. 6.2005 19:29:59
  5. Kim, J.: Describing and predicting information-seeking behavior on the Web (2009) 0.03 
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    Abstract
    This study focuses on the task as a fundamental factor in the context of information seeking. The purpose of the study is to characterize kinds of tasks and to examine how different kinds of task give rise to different kinds of information-seeking behavior on the Web. For this, a model for information-seeking behavior was used employing dimensions of information-seeking strategies (ISS), which are based on several behavioral dimensions. The analysis of strategies was based on data collected through an experiment designed to observe users' behaviors. Three tasks were assigned to 30 graduate students and data were collected using questionnaires, search logs, and interviews. The qualitative and quantitative analysis of the data identified 14 distinct information-seeking strategies. The analysis showed significant differences in the frequencies and patterns of ISS employed between three tasks. The results of the study are intended to facilitate the development of task-based information-seeking models and to further suggest Web information system designs that support the user's diverse tasks.
    Date
    22. 3.2009 18:54:15
  6. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003) 0.03 
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    Abstract
    This paper presents an application of the model described in Part I to the evaluation of Web search engines by undergraduates. The study observed how 36 undergraduate used four major search engines to find information for their own individual problems and how they evaluated these engines based an actual interaction with the search engines. User evaluation was based an 16 performance measures representing five evaluation criteria: relevance, efficiency, utility, user satisfaction, and connectivity. Non-performance (user-related) measures were also applied. Each participant searched his/ her own topic an all four engines and provided satisfaction ratings for system features and interaction and reasons for satisfaction. Each also made relevance judgements of retrieved items in relation to his/her own information need and participated in post-search Interviews to provide reactions to the search results and overall performance. The study found significant differences in precision PR1 relative recall, user satisfaction with output display, time saving, value of search results, and overall performance among the four engines and also significant engine by discipline interactions an all these measures. In addition, the study found significant differences in user satisfaction with response time among four engines, and significant engine by discipline interaction in user satisfaction with search interface. None of the four search engines dominated in every aspect of the multidimensional evaluation. Content analysis of verbal data identified a number of user criteria and users evaluative comments based an these criteria. Results from both quantitative analysis and content analysis provide insight for system design and development, and useful feedback an strengths and weaknesses of search engines for system improvement
    Date
    24. 1.2004 18:27:22
  7. Gandhi, T.M.K.: ¬The need for catalogue use studies in Indian libraries (1996) 0.02 
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    Abstract
    Discusses the importance of catalogue use studies, particularly in the context of database development for networking. A literature review reveals that most of the studies are conducted in western countries which may be grouped in 3 categories: user studies; studies relating to search failures; and experiments with methodology. Stresses the need for more such studies in the context of libraries in India, particularly in the view of library network development in the country
  8. Wallace, P.M.: Periodical title searching in online catalogues (1997) 0.02 
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    Date
    29. 7.1998 10:57:22
  9. Tomney, H.; Burton, P.F.: Electronic journals : a case study of usage and attitudes among academics (1998) 0.02 
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    Date
    22. 5.1999 19:07:29
  10. Bawden, D.: Users, user studies and human information behaviour : a three-decade perspective on Tom Wilson's "On user studies and information needs" (2006) 0.02 
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    Abstract
    Purpose - The purpose of this paper is to review Wilson's (1981) seminal article, "On user studies and information needs" (Journal of Documentation, 1981, Vol. 37 No. 1, pp. 3-15) as part of a series celebrating the Journal's 60th anniversary. Design/methodology/approach - This paper adopts a literature-based conceptual analysis, taking Wilson's paper as the starting point, and evaluating the significance of, and later developments in, the issues dealt with in that article. Findings - Wilson's article has had a significant effect on the development of information science. It dealt with several fundamental issues, including the nature of information itself and of information need, models of information seeking and information behaviour, particularly those based on phenomenological or "whole life" concepts, appropriate research methods for these areas, and the nature of information science as an academic discipline. Originality/value - The paper provides a perspective on the development of information science over 30 years, with particular emphasis on the study of human information behaviour.
  11. Bryant, P.: Use and understanding of the library catalogues in Cambridge University Library : a survey (1993) 0.02 
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    Imprint
    London : British Library Research and Development Department
  12. Marle, G.A.J.S. v.; Skaliks, M.: Some statistics about the searching behaviour of users of the OPAC of the Twente University Library (1994) 0.02 
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    Abstract
    Provides a background to the size, organisation, and activities of the University of Twente and its library, the only campus university in the Netherlands. Describes the development and integration of descriptors and their conversion into a thesaurus. Discusses national developments in subject cataloguing; the OPAC of Twente University Library; the changing role of the OPAC and of classification systems; international OPAC developments and evaluation of the Twente OPAC
  13. Slack, F.: End user searches and search path maps : a discussion (1996) 0.02 
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    Abstract
    Examines the development of OPACs of the last 15 years and how this has promoted the use of automated information retrieval systems. Investigates how end users use the system available to them and the type of subject searches which they carry out. Compares 2 techniques for mapping searches. Concludes that there is a need for effective diagnosis and monitoring methods and an efficient method of analysis of end user use is essential
  14. Wojtasik, U.A.: Oczekiwania uzytkownikow a rozwoj komputerowego katalogu bibliotecznego na Politechnice Wroclawskiej (1997) 0.02 
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    Footnote
    Übers. d. Titels: Users' expectations and the development of an automated library catalogue at the Wroclaw University of Technology
  15. Slack, F.: End-user searches and search path maps : a discussion (1996) 0.02 
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    Abstract
    Examines the development of OPACs of the last 15 years, and how this has promoted the use of automated information retrieval systems. Using the technique of search path maps, investigates how end users use the system available to them and the type of subject searches they carry out. Compares 2 techniques for mapping searches, concluding that there is need for effective diagnosis and monitoring methods, and that an efficient method of analysis of end user use is essential
  16. Bates, M.J.: ¬The Getty End-User Online Searching Project in the humanities, report no.6 : overview and conclusions (1996) 0.02 
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    Abstract
    Over a 2 year period, the Getty Information Institute (formerly the Getty Art History Information Program) sponsored and carried out a major study of end user online searching by humanities scholars. Complete logs of the searches and output were captured, and the 27 scholars involved were interviewed in depth. Reviews the study and its results, with particular emphasis on matters of interest to academic librarians. Implications are drawn for academic library reference service and collection development, as well as for cataloguing in the online and digital environment
  17. Wilson, T.D.: Revisiting user studies and information needs (2006) 0.02 
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    Abstract
    Purpose - The purpose of this paper is to respond to Bawden's review of Wilson's 1981 paper, "On user studies and information needs". Design/methodology/approach - The paper reflects on the context of the original paper, and on subsequent developments. Findings - The paper comments on a variety of issues relating to information science as a discipline, and its research programme and methods, with specific emphasis on the understanding of human information behaviour. Originality/value - The paper provides a unique perspective on the development of this aspect of the discipline.
  18. Spink, A.; Bray, K.E.; Jaeckel, M.; Sidberry, G.: Everyday life information-seeking by low-income African American households : Wynnewood Healthy Neighbourhood Project (1999) 0.02 
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    Abstract
    This paper reports findings from Phase I of the Wynnewood Study - a major project investigating the information-seeking and information needs of lowincome African-American households in the Wynnewood Project in Dallas, Texas. The Parks at Wynnewood is a residential housing development at which the University of North Texas (UNT) is currently conducting the Healthy Neighbourhoods urban revitalization project. This study is also part of the second phase of a major UNT project that is investigating the community service needs of the Wynnewood residents. During this needs assessment all Wynnewood households were interviewed using an extensive twelve-page questionnaire, including a number of questions on their information needs and information-seeking behaviour. The results of the survey provide data bearing on the development of an information resource center and an information literacy programme for Wynnewood community residents. A model of resident's information environment is presented. The study of information-seeking and information needs, also known as nonwork information-seeking or citizen information-seeking, is an important and emerging area of interdisciplinary information science research. More specifically, this study is providing important data on the everyday life information needs and seeking behaviours of low-income African Americans households.
  19. Kuhlthau, C.C.: Investigating patterns in information seeking : concepts in context (1999) 0.02 
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    Abstract
    This paper presents the initial stages of the development of a three-dimensional model as a theoretical framework for conceptualizing and exploring interactive information retrieval (IR) with an information seeking context. The model, displayed in Figure 1, includes a Plane of Judgment within a Plane of Interaction within a Plane of Time. The Plane of Judgment includes levels and regions of relevance judgments, and other user judgments during interactive IR, e.g., magnitude or strategy feedback, tactics, search strategies, or search terms. The Plane of Judgment exists within a Plane of Interaction. The Plane of Interaction consists of interactive IR models, including Ingwersen (1992, 1996), Belkin, Cool, Stein and Theil (1995), and Saracevic (1996b, 1997). The Plane of Interaction includes movement or shifts within interactions or search episodes, e.g., tactics, information problem, strategies, terms, feedback, goal states, or uncertainty. IR interactions that occur within a Plane of Interaction exist within a Plane of Time. The Plane of Time includes users' information seeking stages, represented in the model by Kuhlthau's Information Search Process Model (1993) and users' successive searches over time related to the same or evolving information problem (Spink, 1996). The three-dimensional model is a framework for the development of theoretical and empirical research to: 1. Integrate interactive IR research within information-seeking context 2. Explore users' interactive IR episodes within their changing information-seeking contexts 3. Examine relevance judgments within users' information seeking processes 4. Broaden relevance research to include the concurrent exploration of relevance judgment level, region and time
  20. O'Brien, H.L.; Toms, E.G.: ¬The development and evaluation of a survey to measure user engagement (2010) 0.02 
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    Abstract
    Facilitating engaging user experiences is essential in the design of interactive systems. To accomplish this, it is necessary to understand the composition of this construct and how to evaluate it. Building on previous work that posited a theory of engagement and identified a core set of attributes that operationalized this construct, we constructed and evaluated a multidimensional scale to measure user engagement. In this paper we describe the development of the scale, as well as two large-scale studies (N=440 and N=802) that were undertaken to assess its reliability and validity in online shopping environments. In the first we used Reliability Analysis and Exploratory Factor Analysis to identify six attributes of engagement: Perceived Usability, Aesthetics, Focused Attention, Felt Involvement, Novelty, and Endurability. In the second we tested the validity of and relationships among those attributes using Structural Equation Modeling. The result of this research is a multidimensional scale that may be used to test the engagement of software applications. In addition, findings indicate that attributes of engagement are highly intertwined, a complex interplay of user-system interaction variables. Notably, Perceived Usability played a mediating role in the relationship between Endurability and Novelty, Aesthetics, Felt Involvement, and Focused Attention.

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