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User Centered Design for Persons with Disabilities – How persons with cerebral palsy can be included in the design process.
KTH, School of Computer Science and Communication (CSC).
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The user centered design process is a framework built on methods aiming at including the user in the design process. When designing a system that is going to be used by persons suffering from severe disabilities, a number of unique difficulties are introduced.

This thesis investigates what particular issues that has to be considered when designing for eye tracking based interaction and how user inclusion can be achieved despite the presence of severe disabilities.

Persons from three habilitation centers in the Stockholm area were included in the study which was implemented as an iterative design process, including a number of methods common within user centered design.

The result of this study indicates that many of the well-recognized methods in user centered design can be used when including users with cerebral palsy. Focus is shifted slightly away from the user towards other persons in the vicinity. To achieve high usability the system must facilitate individual customizations of the interface regarding the colors, sizes and placements of objects. A method of two step selection, reducing the numbers of unintentional selections, is also presented.

Abstract [sv]

Användarcentrerad design är ett ramverk byggt på metoder som syftar till att inkludera användaren i designprocessen. När ett system, som ska användas av personer med allvarliga funktionsnedsättningar designas, introduceras ett antal unika svårigheter.

Detta examensarbete undersöker vilka särskilda faktorer som måste tas i beaktande då en design för ögonstyrd interaktion skapas samt hur användare kan inkluderas trots närvaron av allvarliga funktionsnedsättningar.

Personer från tre habiliteringscenter i stockholmsområdet inkluderades i studien som implementerades som en iterativ designprocess där metoder, vanliga inom användarcentrerad design, tillämpades.

Resultatet av studien indikerar att många välkända metoder inom användarcentrerad design kan användas för att inkludera användare med Cerebral Pares. Fokus flyttas något från användaren till personer i dennes omgivning. För att åstadkomma hög användbarhet måste systemet tillhandahålla möjligheten till individuella anpassningar av färger, storlekar och placering av objekten på skärmen. En tvåstegsmetod, som minskar antalet ofrivilliga val, presenteras också.

Place, publisher, year, edition, pages
Trita-CSC-E, ISSN 1653-5715 ; 2011:064
National Category
Computer Science
URN: urn:nbn:se:kth:diva-130792OAI: diva2:654239
Educational program
Master of Science in Engineering - Engineering and of Education
Available from: 2013-10-07 Created: 2013-10-07

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