Integration benutzerzentrierter Methoden in agile Projekte

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© itemis AG
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Usability und agile Softwareentwicklung
Integration benutzerzentrierter Methoden in agile Projekte
Dr. Florian Geyer - itemis AG

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© itemis AG
Warum Usability?
Ticket Machine in Arkansas (US) © wikimedia
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© itemis AG
Usability Engineering
Vorgehensmodell Usability Engineering nach ISO 9241
Design
Evaluation
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© itemis AG
Usability Engineering
Analyse – Nutzungskontext verstehen und beschreiben
http://hcidiary.wordpress.com/
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Usability Engineering
Design – Gestaltungslösungen entwickeln
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© itemis AG
https://www.behance.net/gallery/9205477/Ergonomic-Ticket-Machine
5

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Usability Engineering
Evaluation – Produktentwürfe mit echten Nutzern testen
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© itemis AG
http://idea9106designthinking.wordpress.com/tag/submission-part-b/
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Usability Engineering
Iterationen: Analyse, Design und Evaluation
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© itemis AG
Übergabe an die
Entwicklung:
• Skizzen
• Wireframes
• Prototypen
• Storyboards
• User Interface
Spezifikation
• Styleguides
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Usability Engineering
Iterative Entwicklung
Iterative Entwicklung baut zunächst eine
rohe Vision und verfeinert schrittweise.
Iteration erlaubt es von einer vagen Idee
auszugehen.
Größere Anpassungen zwischen Iterationen
möglich.
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© itemis AG
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4 5
Quelle: http://agileproductdesign.com/presentations/index.html
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© itemis AG
Agile Softwareentwicklung
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Agile Softwareentwicklung
Vorgehensmodelle agiler Softwareentwicklung (SCRUM)
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© itemis AG
Quelle: http://www.bestoutcome.com/assets/images/Agile/SCRUM-overview-resize.png
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Agile Softwareentwicklung
Inkrementelle Entwicklung
Inkrementelle Entwicklung baut ein Teil nach
dem anderen.
Es muss eine konkrete Vision geben um
Inkremente definieren zu können.
Anpassungen an bereits entwickelten
Inkrementen nicht möglich.
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© itemis AG
1 2 3 4 5
Quelle: http://agileproductdesign.com/presentations/index.html
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Agile Softwareentwicklung
Inkrementelle & Iterative Entwicklung
Basierend auf einer groben Vision werden
schrittweise Verfeinerungen vorgenommen.
Es werden zunächst die wichtigsten
Inkremente entwickelt.
Es verbleibt die Möglichkeit Anpassungen
zwischen Iterationen vorzunehmen.
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© itemis AG
Quelle: http://aseriesoftubes.com/wp-content/uploads/mona_jonah-640x209.jpg
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1 2 3 4 5

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Agile Softwareentwicklung
User Stories und Inkremente
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© itemis AG
http://3.bp.blogspot.com/-jySCPZkngcs/T2DrcIrEscI/AAAAAAAABw4/u1xrp-n0ISQ/s1600/UserStoryMap.png
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© itemis AG
Integration beider Ansätze
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Usability Engineering
Iterationen: Analyse, Design und Evaluation
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© itemis AG
Übergabe von
Inkrementen an
die Entwicklung:
• Skizzen
• Wireframes
• Prototypen
• Storyboards
• User Interface
Spezifikation
• Styleguides
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Agiles Usability Engineering
Usability Engineering in agilen Prozessen
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© itemis AG
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Quelle: http://benmelbourne.files.wordpress.com/2011/07/waterfall-vs-agile-ux.png

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Fazit
Integration von Usability Engineering in agile Prozesse
Usability Engineering
 Von isolierter Praxis zu
integrierter Kooperation
 Gestaltung von Inkrementen /
Features statt ganzheitlichen
Produkten
 Weniger Dokumentation durch
leichtgewichtige Entwürfe statt
ausführlicher UI Spezifikation
 Design und Evaluation
gemeinsam mit Entwicklern
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© itemis AG
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Agile Softwareentwicklung
 Integration einer vorgelagerten
Visionsphase mit
Nutzungskontextanalyse
 Einbindung echter Nutzer in den
Entwicklungsprozess (Product
Owner + Usability Engineer)
 Aktive Beteiligung an Usability-
Aktivitäten
 Integration von Design Sprints für
Feature-übergreifende Gestaltung
und Redesigns

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Dr. Florian Geyer
Usability Engineer
florian.geyer@itemis.de
+49 160 90887803
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© itemis AG
itemis AG | Am Brambusch 15-24 | D-44536 Lünen | www.itemis.de

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©Q iuteemllei:s h AttpG://www.lutz-knopek.de/pressemitteilungen/dr-lutz-knopek-anderung-des-transplantationsgesetzes-soll-organspendebereitschaft-erhohen/