30 April 2009

A selection of CHI2009 papers

Be the first to share

CHI2009 proceedings cover
Today I spent some time looking through the CHI 2009 papers. Here is a personal selection (and you need an ACM membership to access them):

A comparative study of speech and dialed input voice interfaces in rural India
Neil Patel, Sheetal Agarwal, Nitendra Rajput, Amit Nanavati, Paresh Dave, Tapan S. Parikh
In this paper we present a study comparing speech and dialed input voice user interfaces for farmers in Gujarat, India. We ran a controlled, between-subjects experiment with 45 participants. We found that the task completion rates were significantly higher with dialed input, particularly for subjects under age 30 and those with less than an eighth grade education. Additionally, participants using dialed input demonstrated a significantly greater performance improvement from the first to final task, and reported less difficulty providing input to the system.

Sacred imagery in techno-spiritual design
Susan P. Wyche, Kelly E. Caine, Benjamin K. Davison, Shwetak N. Patel, Michael Arteaga, Rebecca E. Grinter
Despite increased knowledge about how Information and Communications Technologies (ICTs) are used to support religious and spiritual practices, designers know little about how to design technologies for faith-related purposes. Our research suggests incorporating sacred imagery into techno-spiritual applications can be useful in guiding development. We illustrate this through the design and evaluation of a mobile phone application developed to support Islamic prayer practices. Our contribution is to show how religious imagery can be used in the design of applications that go beyond the provision of functionality to connect people to the experience of religion.

A comparison of mobile money-transfer UIs for non-literate and semi-literate users
Indrani Medhi, S.N. Nagasena Gautama, Kentaro Toyama
Due to the increasing penetration of mobile phones even into poor communities, mobile payment schemes could bring formal financial services to the “unbanked”. However, because poverty for the most part also correlates with low levels of formal education, there are questions as to whether electronic access to complex financial services is enough to bridge the gap, and if so, what sort of UI is best.
In this paper, we present two studies that provide preliminary answers to these questions. We first investigated the usability of existing mobile payment services, through an ethnographic study involving 90 subjects in India, Kenya, the Philippines and South Africa. This was followed by a usability study with another 58 subjects in India, in which we compared non-literate and semi-literate subjects on three systems: text-based, spoken dialog (without text), and rich multimedia (also without text). Results confirm that non-text designs are strongly preferred over text-based designs and that while task-completion rates are better for the rich multimedia UI, speed is faster and less assistance is required on the spoken-dialog system.

Comparing semiliterate and illiterate users’ ability to transition from audio+text to text-only interaction
Leah Findlater, Ravin Balakrishnan, Kentaro Toyama
Multimodal interfaces with little or no text have been shown to be useful for users with low literacy. However, this research has not differentiated between the needs of the fully illiterate and semiliterate – those who have basic literacy but cannot read and write fluently. Text offers a fast and unambiguous mode of interaction for literate users and the exposure to text may allow for incidental improvement of reading skills. We conducted two studies that explore how semiliterate users with very little education might benefit from a combination of text and audio as compared to illiterate and literate users. Results show that semiliterate users reduced their use of audio support even during the first hour of use and over several hours this reduction was accompanied by a gain in visual word recognition; illiterate users showed no similar improvement. Semiliterate users should thus be treated differently from illiterate users in interface design.

StoryBank: mobile digital storytelling in a development context
David M. Frohlich, Dorothy Rachovides, Kiriaki Riga, Ramnath Bhat, Maxine Frank, Eran Edirisinghe, Dhammike Wickramanayaka, Matt Jones, Will Harwood
Mobile imaging and digital storytelling currently support a growing practice of multimedia communication in the West. In this paper we describe a project which explores their benefit in the East, to support non-textual information sharing in an Indian village. Local audiovisual story creation and sharing activities were carried out in a one month trial, using 10 customized cameraphones and a digital library of stories represented on a village display. The findings show that the system was usable by a cross-section of the community and valued for its ability to express a mixture of development and community information in an accessible form. Lessons for the role of HCI in this context are also discussed.

Designable visual markers
Enrico Costanza, Jeffrey Huang
Visual markers are graphic symbols designed to be easily recognised by machines. They are traditionally used to track goods, but there is increasing interest in their application to mobile HCI. By scanning a visual marker through a camera phone users can retrieve localised information and access mobile services.
One missed opportunity in current visual marker systems is that the markers themselves cannot be visually designed, they are not expressive to humans, and thus fail to convey information before being scanned. This paper provides an overview of d-touch, an open source system that allows users to create their own markers, controlling their aesthetic qualities. The system runs in real-time on mobile phones and desktop computers. To increase computational efficiency d-touch imposes constraints on the design of the markers in terms of the relationship of dark and light regions in the symbols. We report a user study in which pairs of novice users generated between 3 and 27 valid and expressive markers within one hour of being introduced to the system, demonstrating its flexibility and ease of use.

“When I am on Wi-Fi, I am fearless”: privacy concerns & practices in everyday Wi-Fi use
Predrag Klasnja, Sunny Consolvo, Jaeyeon Jung, Benjamin M. Greenstein, Louis LeGrand, Pauline Powledge, David Wetherall
Increasingly, users access online services such as email, e-commerce, and social networking sites via 802.11-based wireless networks. As they do so, they expose a range of personal information such as their names, email addresses, and ZIP codes to anyone within broadcast range of the network. This paper presents results from an exploratory study that examined how users from the general public understand Wi-Fi, what their concerns are related to Wi-Fi use, and which practices they follow to counter perceived threats. Our results reveal that while users understand the practical details of Wi-Fi use reasonably well, they lack understanding of important privacy risks. In addition, users employ incomplete protective practices which results in a false sense of security and lack of concern while on Wi-Fi. Based on our results, we outline opportunities for technology to help address these problems.
Predrag Klasnja, Sunny Consolvo, Jaeyeon Jung, Benjamin M. Greenstein, Louis LeGrand, Pauline Powledge, David Wetherall

Sharing empty moments: design for remote couples
Danielle Lottridge, Nicolas Masson, Wendy Mackay
Many couples are forced to live apart, for work, school or other reasons. This paper describes our study of 13 such couples and what they lack from existing communication technologies. We explored what they wanted to share (presence, mood, environment, daily events and activities), how they wanted to share (simple, lightweight, playful, pleasant interaction), and when they wanted to share (’empty moments’ such as waiting, walking, taking a break, waking up, eating, and going to sleep). ‘Empty moments’ provide a compelling new opportunity for design, requiring subtlety and flexibility to enable participants to share connection without explicit messages. We designed MissU as a technology probe to study empty moments in situ. Similar to a private radio station, MissU shares music and background sounds. Field studies produced results relevant to social science, technology and design: couples with established routines were comforted; characteristics such as ambiguity and ‘movable’ technology (situated in the home yet portable) provide support. These insights suggest a design space for supporting the sharing of empty moments.

Be the first to share
22 July 2016
[Book] Overcomplicated (or when systems go feral)
Overcomplicated: Technology at the Limits of Comprehension by Samuel Arbesman Current (Penguin Randomhouse), July 2016 256 pages Abstract Why did the New York Stock Exchange suspend trading without warning on July 8, 2015? Why did certain Toyota vehicles accelerate uncontrollably …
28 June 2016
Politicians need to commit to ethnographic research if they want to understand people
Business anthropologist Simon Roberts has campaigned hard for the "Remain" side in the UK referendum and is deeply disappointed. He now explores a topic that I too have been arguing for some time now: Politicians, …
19 May 2016
Transition design as postindustrial interaction design
The School of Design at Carnegie Mellon University has started talking about 'Transition Design.' In his long reflection about this new kind of design practice, Cameron Tonkinwise, CMU's Director of Design and Doctoral Studies, writes: Transition refers …
8 May 2016
Two reports on age-friendly banking
Age-friendly banking: What it is and how you do it Age UK 30 April 2016 The new report showcases examples of good practice which, if rolled out more widely, could revolutionise the way in which the banks interact …
8 May 2016
New book series: Connected Youth and Digital Futures
Building on research supported by the MacArthur Foundation’s Digital Media and Learning initiative, New York University Press launches Connected Youth and Digital Futures, a new series that explores young people’s day-to-day lives and futures. This series …
30 April 2016
The Internet of Things needs design, not just technology
Scott A. Nelson and Paul Metaxatos write that, as B2C companies rush to exploit new IoT applications, pushing technology to potential end users no longer works. Increasingly, the pull of user experience will drive market …
24 April 2016
[Book] The Politics of Design
The Politics of Design: A (Not so) Global Manual for Visual Communication By Ruben Pater BIS Publishers May 2015 Many designs that appear in today’s society will circulate and encounter audiences of many different cultures and languages. With communication …
21 April 2016
The product design of IoT
As more and more ‘Internet of Things’ products come into the market, most, if not all will come with significant challenges. The key to overcoming any obstacles, writes Joe Johnston, VP Experience Innovation for Universal …

We are an international experience design consultancy helping companies and organisations to innovate their products, services and processes by putting people and their experiences first.

22 June 2016
A united energy economy: Experientia helps wrap up the CITYOPT Nice pilot project

Can behavioral change address local energy issues, raise people’s awareness energy consumption issues, and directly support non-profit organizations at the same time? With the Nice pilot of the CITYOPT project, we have seen strong suggestions that it can. It also suggests that the sense of belonging to a local community is a strong motivation for […]

23 May 2016
Experientia white paper: “Conducting clinical trials is about working with patients”

Patient-centricity is one of the defining issues facing clinical trials in the pharma industry. The past few years have seen a growing awareness by pharmaceutical companies of the importance of patient-centricity – but they have also illustrated that not everyone is clear on just what patient-centricity is, or how to achieve it. After using UX […]

12 April 2016
The latest on innovation in Energy Efficient Buildings: annual round-up of EU Commission projects

Every year, the Energy-efficient Buildings (EeB) Public Private Partnership (PPP) publishes the EeB PPP project review – a round-up of energy-efficiency projects that have been co-funded by two European Commission schemes. This year, the print and digital booklet design was done by Experientia, in particular by our talented visual and interaction designer Dohun Jang. Experientia […]

8 March 2016
Behavioral modeling – Shaping cultural change and behavioral evolution

One of the things we do here at Experientia that really sets us apart from other UX agencies is behavioral modeling. Our cognitive and behavioral models go beyond the standard customer journeys and personas (both useful tools, and often preliminary steps to behavioral modeling) to create frameworks that can be used to make people more […]

1 March 2016
Singapore’s main newspaper on Experientia’s design with the elderly

Arti Mulchand reports in the Straits Times, Singapore’s main newspaper, on Experientia’s “Design for Ageing Gracefully” project: Putting faces to end-users early in the design process is changing the way designers and organisations are approaching products aimed at Singapore’s growing elderly demographic. Experientia’s ethnographic study, which was commissioned by DesignSingapore Council in a collaboration with […]

18 January 2016
Experientia website completely reshaped

Experientia is pleased to announce that we’ve started 2016 with a brand new website. Experientia’s now officially 10 years old, and we decided that the best way to celebrate is by building a new website that showcases our growth – with new projects, new people in the staff, and two new locations in Lausanne and […]

See all articles