1 Ideas for Future Research Anirudha Joshi Industrial Design
Centre, IIT Bombay February 2013
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2 human computer interaction design for Indian needs software
engineering
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3 human computer interaction design for Indian needs software
engineering Text input in Indic scripts
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4 4
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5 Source: An Installation in IDC
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8 Source: Anshuman Kumar
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Task Success /5 Users 9 Without help p (one tailed) Nokia
(0.208) Samsung (0.195) Sony (0.001) Total p (one tailed) Nokia
(0.000) Samsung (0.010) Sony (0.000)
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Swarachakra Logically structured (based on the structure of the
script) All consonants visible Wheel with vowel modifiers pops up
around the consonants 10
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Swarachakra 11
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Three Designs Disha Also completely logical Consonants
displayed in groups Most frequent character in the centre, accessed
on tap Other characters need a slide Finger input possible large
area for each button 12
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Swarachakra 13
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Independent variables Age Mobile phone experience Education
Writing skills Reading skills Confidence of mobile phone task First
time usability test 19 words graded on difficulty Speed, errors,
confidence Longitudinal test 10 short paragraphs typed over a
period of 2 weeks in 10 sessions Speed, errors, confidence
Evaluations 14
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Results Longitudinal Test: Speed 15
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Results Longitudinal Test: Errors 16
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Results Longitudinal Test: Confidence 17
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18 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
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Evaluating Anonymous Social Networking for HIV Patients with
Social Prototypes 19
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20 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation
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Way-finding Through Audio-Visual Interfaces Can landmark-based
navigation work for users with lower levels of education? Two
Audio-Visual Interfaces Traditional map-based navigation with voice
support Landmark-based navigation with voice and picture support
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22 Traditional Map-based Navigation 22
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23 Landmark-based Navigation
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Results India HCI 2012 24 Traditional Map-based Navigation
Landmark-based Navigation No. of users10 No. of users reached79
Avg. success score20.829.8 Avg. time taken18.5 minutes19.7 minutes
Avg. error1.88 per route0.88 per route SUS score78.7581.00
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25 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation Usable security
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Security Usable by Less Educated Users 26
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27 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation Usable security Teaching Indic scripts
to children
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Toy for teaching Devanagari 1. Home-based Sitting-position
Single/Multi player
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CONCEPT 1 29 The child places the same alphabet again ( ).
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CONCEPT 2 30 Lot of fishes come with the word .
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Toy for teaching Devanagari
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35 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation Usable security Teaching Indic scripts
to children Localisation
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36 . . :
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Simplify, un-sanskritise text , Use explicit noun-verbs Call
(make call) = Cool commands, metaphors are lost in translations Go
(where?) = Answer = Register = Dont use English words where you
dont need them Use English words where you need them Loudspeaker =
. . Contacts = , Edit number = Get the grammar right (sequence
matters) Principles of Good Localisation 37
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Localisation 38
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39 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation Usable security Teaching Indic scripts
to children Localisation HCI+SE process integration Goals for
specific contexts Industrial, commercial, social Software
ethnography
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activities that contribute to Relative contribution of HCI
activities to usability goals achievement validates HCI Activities
Framework is compared to Index of Integration Usability Goals
Setting Tool followsresults in has helps set evaluates the design
against Correlation evaluates fidelity Process models integrating
HCI activities with SE Waterfall Agile RUP informs integration with
Contributions 1/3 important goals are not achieved 8 latent goals
Validated by comparing with traditional UEs Product vs. Services
Usability Goals Achievement Metric Agile vs. Waterfall
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41 human computer interaction design for Indian needs software
engineering Text input in Indic scripts Design for people with less
education Appropriate user models for emerging economies
Audio-visual interfaces Voice-based socialisation on phones
Way-finding and navigation Usable security Teaching Indic scripts
to children Localisation HCI+SE process integration Goals for
specific contexts Industrial, commercial, social Software
ethnography