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Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet
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Usability Problems Experienced by Seniors af Anders Bruun, Aalborg Universitet

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Oplægget blev holdt ved InfinIT-konferencen "Design og udvikling af velfærdsteknologiske IT-løsninger", der blev afholdt den 21. november 2013. Læs mere om arrangementet på …

Oplægget blev holdt ved InfinIT-konferencen "Design og udvikling af velfærdsteknologiske IT-løsninger", der blev afholdt den 21. november 2013. Læs mere om arrangementet på http://infinit.dk/dk/hvad_kan_vi_goere_for_dig/viden/reportager/velfaerdsteknologi_i_fokus.htm

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  • 1. USABILITY PROBLEMS EXPERIENCED BY SENIORS D E PA R T M E N T O F C O M P U T E R S C I E N C E CENTRE FOR SOCIO INTERACTIVE DESIGN ANDERS BRUUN BRUUN@CS.AAU.DK WWW.CS.AAU.DK/~BRUUN CENTRE FOR SOCIO INTERACTIVE DESIGN
  • 2. Previous Research Usability testing of home healthcare systems Ty pes of usability problems experienc ed by seniors B r u u n , A . a n d S t a g e , J . , 2 0 1 0 . U s a b i l i t y P r o b l e m s i n a H o m e Te l e m e d i c i n e S y s t e m . I n P r o c . H E A LT H I N F . I N S T I C C P r e s s ( 2 0 1 0 ) . B r u u n , A . , H a h n , C . , Vo i g t , B . a n d S c h u l t z , M . D i g g i n g W i d e a n d N a r r o w : A n E x p l o r a t o r y S t u d y o f S e n i o r a n d Yo u n g e r U s e r s ’ S t r a t e g i e s f o r R e t r i e v i n g Information from a Healthcare Portal. In Proc. ICICTH. INEAG (2012). Evaluation of usability testing methods Bruun, A. and Stage, J. Evaluating the Usability of Home Healthcare Applications. In Carsten Röcker and Martina Ziefle (Eds.), Human Centered Design of E-Health Te c h n o l o g i e s . I G I G l o b a l ( 2 0 1 0 ) . ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 2 DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 3. Danish Study Healthcare System Device (HCS) Ta r g e t e d u s e r g r o u p : E l d e r l y Automatic transfer of data Y Secondary devices Blood pressure meter Blood sugar meter Scale Interfaces: Bluetooth, Infrared and serial cable ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 3 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY N
  • 4. German Study Web Portal Ta r g e t e d u s e r g r o u p : E l d e r l y Automatic transfer of data Interaction through TV set Secondary devices Blood pressure meter Blood sugar meter Scale ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 4 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 5. Study Design Usability Lab Participants Danish study: German study: 5 seniors (mean = 67 years) 6 seniors 6 younger (mean = 35 years) Subject Room 1 Procedure Individual task completion curtain Data collection operator Vi d e o a n d a u d i o r e c o r d i n g s Event logs Data analysis Subject Room 2 Vi d e o B a s e d A n a l y s i s ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 5 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY Control Room
  • 6. Tasks Y N Task # Task Description (Danish study / HCS device) Task # Task Description (German study / Web Portal) 1 Connect and install the HCS and secondary devices 1 Log in 2 Transfer data from the blood sugar meter to the HCS. The blood sugar meter is connected using a cable. 2 Change font size 3 Measure the weight and transfer data from the scale to the HCS. 3 Fix heating issues 4 A new wireless blood sugar meter is used. Transfer the data from this to the HCS. 4 Show vital data 5 Clean the equipment. 5 Log out ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 6 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 7. Findings No. of Identified Usability Problems HCS Device Elderly (n=5) Critical Serious Cosmetic Total 14 15 20 51 Web Portal Elderly (n=6) Young (n=6) 6 10 26 42 2 3 11 16 ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 7 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 8. Findings Types of Usability Problems Experienced HCS Device Web Portal Young (n=6) Total Critical Serious Cosmetic Total Critical Serious Cosmetic Total Critical 2 Affordance Cosmetic Elderly (n=6) Serious Elderly (n=5) 2 4 1 2 1 4 1 1 1 3 Cognitive load Consistency 1 1 1 2 Ergonomics 1 2 4 3 3 Feedback 1 3 3 7 Information 5 8 4 17 2 4 2 2 4 7 1 1 8 13 3 5 3 3 1 1 2 3 11 1 6 Interaction style Mapping 1 1 1 1 1 6 6 Task flow 1 1 1 Navigation 1 1 1 User’s mental 2 model Visibility 3 3 Total 17 14 1 5 10 1 4 7 1 2 1 4 20 51 6 10 26 42 1 2
  • 9. Findings Information Does not understand text ”Detecting phoneline” Y N Y N User ’s mental model Unclear how to connect Bluetooth scale Missing feedback Idle screen upon completion of questions Visibility Cannot find volume buttons ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 9 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 10. Findings Connecting and Installing the HCS Device Y N User 1 2 3 4 5 Average 1 33:25 33:44 28:25 18:43 26:05 28:09 2 10:10 09:34 02:26 02:43 01:06 05:12 Task 3 08:47 04:30 02:45 04:24 03:31 05:35 4 07:37 04:54 05:08 04:07 04:45 05:18 5 Total 01:15 1:01:14 01:00 53:42 01:24 40:08 01:19 31:16 00:41 36:08 01:08 45:22 ÆLDRES PROBLEMER MED SYSTEMER TIL SELVMONITORERING – SLIDE 10 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 11. Conclusions Objective: Problems Experienc ed by Seniors Findings Seniors experience more problems than younger users Ty p e s o f p r o b l e m s e x p e r i e n c e d When designing for seniors, pay particular attention to: Connection and installation difficulties Complex/technical terminology Non-conformity to user ’s mental model Insufficient feedback Non-visible interactive ressources (visibility) ASESSMENT – PAGE 11 ANDERS BRUUN BRUUN@CS.AAU.DK – WWW.CS.AAU.DK/~BRUUN DEPARTMENT OF COMPUTER SCIENCE AALBORG UNIVERSITY
  • 12. Anders Bruun bruun@cs.aau.dk www.cs.aau.dk/~bruun Department of computer science Centre for socio interactive design CENTRE FOR SOCIO INTERACTIVE DESIGN

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