Intern: Nathalie Kaing Supervisor: Regina Bernhaupt Tutor: Marco Winckler 1

Context  Interactive TV (iTV) : TV system allowing users more interaction than simply changing channels and sound  iTV offers interactive services like : Teletext Timeshifting EPG (Electronic Program Guide) VOD (Video On Demand)  Vocomedia: interface of the interactive TV 2

Outline  Introduction Presentation of the company Project definition  State of the Art  Conception  Evaluation  Conclusion and perspectives 3

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Presentation of the Company Ruwido  founded 1969 in Austria and located in Neumarkt 4

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Presentation of the Company Ruwido  more than 30 years experience in remote controls  in 1975 the first infrared remote control was launched  MBO in 2003 of managing director Ferdinand Maier  190 employees ( 20% in research & development )  world class production system according to Kaizen ( Toyota production method …. )  premium provider for applications in iTV / IPTV for premium brands in Europe  long term partner of leading european brands / operators 5

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Project Definition  Recommendations to improve and extends the existing user interface for the ageing population  Deliverable is a final report including: Answer to the scientific question: “How can the existing interactive TV solution be extended and improved to serve the ageing population User and task analysis Results of the usability test 6

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Research Problems  No definition for target population: i.e. ageing users  What services and offers will best support the ageing population? 7

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Activities 8 Project Definition State of the Art User groups & Tasks modeling Low-fidelity Prototyping Analysis High-fidelity Prototyping Usability Test Analysis

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Potential Ageing Effects  Vision Perception of colors Visual acuity  Hearing Loose of high frequencies Loose precision of vibration in the ears  Cognition Short memory declines Combination of perception and cognition  Aptitude Experience and expertise  Attitude Confidence level Emotional state of mind 9

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Activities of Ageing User Group  Leisure and hobbies Social relationships Creative activities Information activities  Internet activities Communication Local information  Interactive TV activities Communication Local information 10

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Accessibility  Web Guidelines Holt (2000) Coyne and Nielsen (2002) Redish and Chisnell (2004) Kurniawan and Zaphiris (2005) 11

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Existing Interactive TV System  MSN TV  Metz  Ocean Blue Software’s Nexus TV system 12

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Existing Interactive TV System  MSN TV Surf on the Internet Read s See digital photos 13

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Existing Interactive TV System  Metz Integrated help menu Teletext & EPG Quick research information 14

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Existing Interactive TV System  Ocean Blue Software’s Nexus TV system medical services local services home shopping audio EPG and audio books download 15

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Vocomedia 16

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Test conducted in Toulouse 17  Main problems: Language Too many functionalities Fingerprint  Positive points: Navigation of the interface

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Accessibility review using guidelines 18  Kurniawan and Zaphiris web guidelines(2005) Target design Graphics Navigation Browser window features Content layout design Links User cognitive design Use of color and background Text design Search engine User feedback and support

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Target User Group 19  55 to 65 years old Young retire and spend time in leisure  66 to 75 years old Age-related impairments

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Tasks Modeling  Services: Social network Local information  Accessibility Personalization Tutorial 20

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Low-fidelity Prototyping  Mock-up 21

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Prototyping low-fidelity  Paper prototypes 22

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives High-fidelity Prototyping 23

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usability Study  Test objectives : H1- Vocomedia can be used by old people. H2- Services designed enhance the usage of the system in general 24

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usablity Study 25  Description of the set up :

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usability Study  2 participants and 2 participants for pre- test  Pre-interview  3 tasks on actual Vocomedia interface and 3 services oriented tasks to be performed  Questionnaire SUS and Attrakdiff  Post-interview 26

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usability Study  Pre-interview : No participants know what is iTV 2 participants use EPG 2 participants use internet  Standard Usability Scale (SUS) results: SUS score: 86.2% Minimum: 75% Maximum: 97.5% 27

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usability Study 28  Attrakdiff results:

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Usability Study 29  Post-interview : Easy to use and easy to search 2 participants said “font is a little small, I have to use my other glasses” All participants find the navigation good All participants said that “the remote is haptic and there is no many buttons” Ideas on services: Reserve a table to a restaurant Navigation as Google Maps

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Conclusion  User-centered design: Literature Target user group and task modeling Usability study  Overview of the usability of Vocomedia and collect ideas on services. 30

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Perspectives 31  Usefulness of a tutorial  Expectation of the next senior generation

1.Introduction 2.State of the Art 3.Conception 4.Evaluation 5.Conclusion and perspectives Conclusion 32  Worked on different projects and see different forms of remote controls  Used material in the user experience laboratory and saw Production of remote controls  Learn another language and discover another culture

Questions 33