Reverse Card Sorting - Informationsarchitekturen frühzeitig evaluieren
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Reverse Card Sorting
Informationsarchitekturen frühzeitig evaluieren
Jan PohlmannUX Roundtable Hamburg
November 2013
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Genereller UCD Prozess
Nutzungskontext
Anforderungen
Design
Evaluation
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Informationsarchitektur
“The combination of organization, labeling, search and navigation systems within websites and intranets.”
Rosenfeld & MorvilleInformation Architecture for the World Wide Web
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Grundlage für Navigations- und Informationsgestaltung
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UCD Prozess für Informationsarchitektur
Offenes Card Sorting
Sitemaps, Content
Inventory, …
Evaluation?
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Prototypen-Test der Navigation?
Keine Isolation der Informationsarchitektur
Layoutentwürfe notwendig
Hoher Aufwand durch geringen Automatisierungsgrad
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Closed Card Sorting?
Fragwürdige Validität
Nur oberste Hierarchieebene
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Reverse Card Sorting!
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Frontend Demo
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Vorteil #1 – Höhere Validität
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Vorteil #2 – Leicht verständlich
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Vorteil #3 – Geringer Aufwand
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Vorteil #4 – Isolierung der Probleme
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Vorteil #5 – Statistische Auswertung
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Der optimale Zeitpunkt
Bevor auf Basis der IA weitergearbeitet wird
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Kritischer Faktor #1 – Aufgabenauswahl
● Einfache Aufgabe zur Einführung
● In Card Sorting und Designphase problematische Inhalte
● Bereichsübergreifende Inhalte
● Nur 10-15 Aufgaben pro Proband
● Reihenfolge randomisieren
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Kritischer Faktor #2 – Aufgabenformulierung
● Gerade genug Kontext
● Von der Situation und den Bedarfen der Nutzer ausgehen
● Begriffe aus der IA umschreiben
● Potenziell verwirrende Begriffe verwenden
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Moderiert, vor Ort und auf Papier…
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… oder unmoderiert, remote und toolbasiert
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Fazit
Reverse Card Sorting zur Evaluation von Informationsarchitekturen
Validität und isolierte Betrachtung
Früh, einfach und günstig testen
Qualitativ und quantitativ möglich
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Jan Pohlmann
+49 40 36166-7984
Vielen Dank!
Göttingen, Hamburg, Frankfurt
www.eresult.de
www.usabilityblog.de
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Online-Tools
● www.userzoom.de/software/research-capabilities/tree-testing
● www.optimalworkshop.com/treejack.htm
● www.uxpunk.com/plainframe
● www.c-inspector.com
● www.naviewapp.com
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Literatur und Links
● Spencer, D. (2009), Card Sorting, Rosenfeld Media
● http://boxesandarrows.com/card-based-classification-evaluation/
● http://boxesandarrows.com/tree-testing/
● http://www.uxmatters.com/mt/archives/2011/06/comparing-user-research-methods-for-information-architecture.php
● http://www.measuringusability.com/blog/tree-testing-ia.php
● http://www.measuringusability.com/blog/cardsort-tree-test.php
● http://www.webcredible.co.uk/user-friendly-resources/web-usability/tree-testing.shtml
● http://www.globaluserresearch.com/blog/2010/12/ideas-vs-solutions-why-card-sorting-loves-tree-testing-and-why-tree-testing-feels-it-to
● http://www.usabilityblog.de/2013/08/navigationsprobleme-im-ansatz-vermeiden-durch-reverse-card-sorting/
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Verwendete Bilder
● Folie 3: Information Architecture cc licensed (BY NC ND) flickr photo by CannedTuna: http://www.flickr.com/photos/cannedtuna/4853380320/
● Folie 4, 15: Elements of User Experience by Jesse James Garrett: http://www.jjg.net/elements/translations/elements_de.pdf
● Folie 6: LEGO De Lorean cc licensed (BY SA) flickr photo by Norio NAKAYAMA: http://www.flickr.com/photos/norio-nakayama/10180522764/
● Folie 7: Card sorting kit cc licensed (BY SA) flickr photo by Luca Mascaro: http://www.flickr.com/photos/lucamascaro/3644252322/
● Folie 8, 21: Trees cc licensed (BY NC SA) flickr photo by Doug88888: http://www.flickr.com/photos/doug88888/5910287886/
● Folie 10: Extremely Low-Tech Counterfeiting 2 cc licensed (BY NC) flirck photo by Matthew Stinson: http://www.flickr.com/photos/portablematthew/9066923976/
● Folie 11: Head Scratching Gorilla cc licensed (BY NC ND) flickr photo by Aaron Muderick: http://www.flickr.com/photos/amuderick/46246205/
● Folie 12: Complicated cc licensed (BY NC ND) flickr photo by Rohit Mattoo: http://www.flickr.com/photos/mar00ned/229903286/
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Verwendete Bilder
● Folie 13: DNA isolation 3 cc licensed (BY NC ND) flickr photo by Patrick Alexander: http://www.flickr.com/photos/aspidoscelis/4461828398/
● Folie 14: Numbers cc licensed (BY NC) flickr photo by duncan c: http://www.flickr.com/photos/duncan/4568047884/
● Folie 16: I is for Important Message cc licensed (BY) flickr photo by Rusty Clark: http://www.flickr.com/photos/rusty_clark/6156315215/
● Folie 17: 073-366 Words cc licensed (BY NC ND) flickr photo by Christine and David Schmitt: http://www.flickr.com/photos/cheesy42/6834155598/
● Folie 22: Thank you, Chicken Rice Salad Bread cc licensed (BY NC ND) flickr photo by giveawayboy: http://www.flickr.com/photos/giveawayboy/1023409131/