-
Roßmann, N.: Website-usability : Landtag NRW (2002)
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- Abstract
- Die Studie untersucht die Usability der Homepage des Landtags NordrheinWestfalen. Es wird analysiert, wie benutzerfreundlich die Website ist, ob sie effektiv genutzt werden kann und ob die Inhalte der Site den Erwartungen der Benutzer entsprechen. Drei Evaluationsmethoden finden Einsatz: Ein Thinking-Aloud-Test, eine heuristische Evaluation und eine Availability-Untersuchung. Der hier eingesetzte Thinking-Aloud-Test ist ein Benutzertest, bei dem zwanzig Laien und zwanzig Information Professionals zuerst ihre Erwartungen an die Site äußern und dann anhand der Homepage, unter Beobachtung, Aufgaben bearbeiten. Anschließend geben sie anhand eines Fragebogens eine Beurteilung ab. Die heuristische Evaluation ist eine expertenzentrierte Methode. Usability-Experten stellen Checklisten auf, anhand derer eine Homepage untersucht wird. In dieser Studie finden drei Heuristiken Anwendung. Die Availability-Untersuchung der homepageeigenen Suchmaschine ist eine bibliothekarische Evaluationsmethode, die anhand einer Suche nach Webseiten, von denen bekannt ist, dass ihr Angebot aktiv ist, die Qualität der Suchmaschine hinsichtlich der Erreichbarkeit der Dokumente bestimmt. Die drei Methoden ergänzen einander und decken in ihrer Variation einen großen Pool an Usability-Fehlern auf. Die Ergebnisse: Die Benutzer vermissen auf der Homepage besonders Informationen über den Landeshaushalt, eine Liste der Mitarbeiter mit ihren Zuständigkeiten, Hintergrundinformationen zu aktuellen landespolitischen Themen und Diskussionsforen als Kommunikationsmöglichkeit. Im Durchschnitt liegen die Klickhäufigkeiten für das Lösen einer Aufgabe über denen, die für den kürzesten Weg benötigt werden. Die Abbruch-Quote aufgrund einer nicht lösbar erscheinenden Aufgabe beträgt bei 40 Probanden à sechs Aufgaben 13,33% (32 Abbrüche). In der Abschlussbefragung äußern sich die Testpersonen größtenteils zufrieden. Die Ausnahme stellt der Bereich "Navigation" dar. 40% halten die benötigten Links für schwer auffindbar, 45% aller Probanden wissen nicht jederzeit, an welcher Stelle sie sich befinden.
Auch die heuristische Evaluation deckt Navigationsfehler auf. So ist beispielsweise die ZurückFunktion des Browsers fehlprogrammiert. Der Zurück-Button muss stets zwei- statt einmal betätigt werden, wenn man möchte, dass sich nicht nur ein Frame "zurückbewegt". Außerdem werden die Hierarchieebenen nicht deutlich genug hervorgehoben. Bereits besuchte Links unterscheiden sich farblich nicht von solchen, die noch nicht angeklickt wurden. Viele Fotos dienen weniger der Verständlichkeit der Texte als ästhetischen Zwecken. Interne Abkürzungen werden nicht immer aufgelöst und sind somit für den Benutzer unverständlich. Die Suchmaschine erreicht eine Availability von nur 60%, was auf den großen Anteil der Texte der Landtagszeitschrift in der Datenbasis und die Berücksichtigung von Worthäufigkeiten beim Relevance Ranking zurückzuführen ist. Die Kritikpunkte und Änderungsvorschläge beziehen sich nicht so sehr auf die Gesamtstruktur der Homepage, sondern auf viele Details. Auch wenn es scheint, als handele es sich bei einigen Punkten nur um Geringfügigkeiten, so wird die Umsetzung dieser Details, festgehalten im Usability-Report, für die Benutzerfreundlichkeit ein großer Gewinn werden.
-
Modelle und Konzepte der Beitragsdokumentation und Filmarchivierung im Lokalfernsehsender Hamburg I : Endbericht (1996)
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- Date
- 22. 2.1997 19:46:30
-
Wheelbarger, J.J.; Clouse, R.W.: ¬A comparision of a manual library reclassification project with a computer automated library reclassification project (1975)
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- Pages
- 22 S
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Matthews, J.R.; Parker, M.R.: Local Area Networks and Wide Area Networks for libraries (1995)
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- Date
- 30.11.1995 20:53:22
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Information for a new age : redefining the librarian (1995)
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- Footnote
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Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
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- Footnote
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¬The future of national bibliography (1997)
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- Footnote
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Carey, K.; Stringer, R.: ¬The power of nine : a preliminary investigation into navigation strategies for the new library with special reference to disabled people (2000)
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- Pages
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Intellectual property and the National Information Infrastructure : a preliminary draft of the report of the Working Group on Intellectual Property Rights (1994)
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- Date
- 22. 7.1996 19:53:48
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Drewer, P.; Massion, F; Pulitano, D: Was haben Wissensmodellierung, Wissensstrukturierung, künstliche Intelligenz und Terminologie miteinander zu tun? (2017)
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- Date
- 13.12.2017 14:17:22
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Tober, M.; Hennig, L.; Furch, D.: SEO Ranking-Faktoren und Rang-Korrelationen 2014 : Google Deutschland (2014)
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- Date
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Deokattey, S.; Sharma, S.B.K.; Kumar, G.R.; Bhanumurthy, K.: Knowledge organization research : an overview (2015)
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- Date
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ELINOR : Electronic Library Project (1998)
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- Series
- British Library Research and Innovation Centre (BLRIC) report; 22
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McCormick, A.; Sutton, A.: Open learning and the Internet in public libraries (1998)
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- Date
- 22. 5.1999 18:55:19
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Positionspapier zur Weiterentwicklung der Bibliotheksverbünde als Teil einer überregionalen Informationsinfrastruktur (2011)
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- 7. 2.2011 19:52:22
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Förderung von Informationsinfrastrukturen für die Wissenschaft : Ein Positionspapier der Deutschen Forschungsgemeinschaft (2018)
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Wehling, E.: Framing-Manual : Unser gemeinsamer freier Rundfunk ARD (2019)
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Hochschule im digitalen Zeitalter : Informationskompetenz neu begreifen - Prozesse anders steuern (2012)
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- Date
- 8.12.2012 17:22:26
