Conference Proceedings
                Extended Abstracts
                CHI 2010 Proceedings 
            Table of Contents (Thursday, April 15th)
|  | =Nominated for a Best Paper Award | |
|  | =Best Paper Awarded | |
|  | =Paper has an accompanying video | |
| 
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| Session: 
                Everyday Gestures Session Chair: Micheal Rohs, Telekom | ||
| MAGIC: 
                A Motion Gesture Design Tool (Page 
                2159) Daniel Ashbrook, Georgia Institute of Technology & Nokia Research Center Hollywood Thad Starner, Georgia Institute of Technology | ||
| Protractor: 
                A Fast and Accurate Gesture Recognizer (Page 
                2169) Yang Li, Google Research | ||
| GesText: 
                Accelerometer-Based Gestural Text-Entry Systems (Page 
                2173) Eleanor Jones, Jason Alexander, Andreas Andreou, University of Bristol Pourang Irani, University of Manitoba Sriram Subramanian, University of Bristol |  | |
| Session: 
                HCI in China Session Chair: John Thomas, IBM | (Return to Top) | |
| Predicting 
                Chinese Text Entry Speeds on Mobile Phones (Page 
                2183) Ying Liu, Nokia Research Center Kari-Jouko Räihä, University of Tampere | ||
| Chinese 
                Online Communities: Balancing Management Control and Individual 
                Autonomy (Page 2193) Qinying Liao, Yingxin Pan, Michelle X. Zhou, Fei Ma, IBM Research - China | ||
| How 
                Socio-Economic Structure Influences Rural Users' Acceptance of 
                Mobile Entertainment (Page 
                2203) Jun Liu, Tsinghua University Ying Liu, Nokia Research Center Pei-Luen Patrick Rau, Hui Li, Tsinghua University Xia Wang, Nokia Research Center Dingjun Li, Tsinghua University | ||
| Session: 
                Multitouch Session Chair: Ben Bederson, University of Maryland | (Return to Top) | |
| Multi-touch 
                Techniques for Exploring Large-Scale 3D Astrophysical Simulations (Page 
                2213) Chi-Wing Fu, Wooi-Boon Goh, Junxiang Allen Ng, Nanyang Technological University |  | |
| Graspables 
                Revisited: Multi-Touch vs. Tangible Input for Tabletop Displays 
                in Acquisition and Manipulation Tasks (Page 
                2223) Philip Tuddenham, University of Cambridge David Kirk, University of Nottingham Shahram Izadi, Microsoft Research Cambridge | ||
| The 
                Design and Evaluation of Multitouch Marking Menus (Page 
                2233) G. Julian Lepinski, Tovi Grossman, George Fitzmaurice, Autodesk, Inc. |  | |
| Session: 
                Perspectives on Design Session Chair: Celine Latulipe, University of North Carolina | (Return to Top) | |
| Multi-Lifespan 
                Information System Design: A Research Initiative for the HCI Community (Page 
                2243) Batya Friedman, University of Washington Lisa P. Nathan, University of British Columbia | ||
| Designing 
                Interactivity in Media Interfaces: A Communications Perspective (Page 
                2247) S. Shyam Sundar, Qian Xu, Saraswathi Bellur, The Pennsylvania State University | ||
| Designing 
                with Interactive Example Galleries (Page 
                2257) Brian Lee, Savil Srivastava, Ranjitha Kumar, Ronen Brafman, Scott R. Klemmer, Stanford University | ||
| Session: 
                Public Displays Session Chair: Elaine Huang, University of Calgary | (Return to Top) | |
| Worlds 
                of Information: Designing for Engagement at a Public Multi-Touch 
                Display (Page 2267) Giulio Jacucci, Ann Morrison, Aalto University Gabriela T. Richard, New York University Jari Kleimola, Peter Peltonen, Aalto University Lorenza Parisi, Sapienza Università di Roma Toni Laitinen, Aalto University |  | |
| Designing 
                Urban Media Façades: Cases and Challenges (Page 
                2277) Peter Dalsgaard, Kim Halskov, Aarhus University |  | |
| Touch 
                Projector: Mobile Interaction Through Video (Page 
                2287) Sebastian Boring, Dominikus Baur, Andreas Butz, University of Munich Sean Gustafson, Patrick Baudisch, Hasso Plattner Institute |  | |
| Session: 
                Sensing Session Chair: Albrecht Schmidt, University Duisburg-Essen | (Return to Top) | |
| High 
                Accuracy Position and Orientation Detection in Two-Dimensional 
                Communication Network (Page 
                2297) Kei Nakatsuma, Hiroyuki Shinoda, The University of Tokyo | ||
| Rethinking 
                RFID: Awareness and Control for Interaction with RFID Systems (Page 
                2307) Nicolai Marquardt, University of Calgary Alex S. Taylor, Nicolas Villar, Microsoft Research Cambridge Saul Greenberg, University of Calgary |  | |
| SensorTune: 
                A Mobile Auditory Interface for DIY Wireless Sensor Networks (Page 
                2317) Enrico Costanza, Jacques Panchard, Guillaume Zufferey, Julien Nembrini, Julien Freudiger, Jeffrey Huang, Jean-Pierre Hubaux, École Polytechnique Fédérale de Lausanne | ||
| Session: 
                Usability Methods and New Domains Session Chair: Youn-kyung Lim, KAIST (South Korea) | (Return to Top) | |
| API 
                Usability Peer Reviews: A Method for Evaluating the Usability 
                of Application Programming Interfaces (Page 
                2327) Umer Farooq, Leon Welicki, Dieter Zirkler, Microsoft Corporation | ||
| Understanding 
                Usability Practices in Complex Domains (Page 
                2337) Parmit K. Chilana, Jacob O. Wobbrock, Andrew J. Ko, University of Washington | ||
| Average 
                Task Times in Usability Tests: What to Report? (Page 
                2347) Jeff Sauro, Oracle Corporation James R. Lewis, IBM Software Group | ||
| Session: 
                We Are Family Session Chair: Steve Harrison, Virginia Tech | (Return to Top) | |
|  | Designing 
                a Technological Playground: A Field Study of the Emergence of 
                Play in Household Messaging (Page 
                2351) Siân E. Lindley, Richard Harper, Abigail Sellen, Microsoft Research Cambridge | |
|  | The 
                Family Window: The Design and Evaluation of a Domestic Media Space (Page 
                2361) Tejinder K. Judge, Virginia Tech Carman Neustaedter, Andrew F. Kurtz, Kodak Research Laboratories | |
| FM 
                Radio: Family Interplay with Sonic Mementos (Page 
                2371) Daniela Petrelli, University of Sheffield Nicolas Villar, Microsoft Research Vaiva Kalnikaite, University of Sheffield Lina Dib, Rice University Steve Whittaker, University of Sheffield |  | |
| Session: 
                1001 Users Session Chair: Elizabeth Buie, Luminanze | (Return to Top) | |
| Think-Aloud 
                Protocols: A Comparison of Three Think-Aloud Protocols for Use 
                in Testing Data-Dissemination Web Sites for Usability (Page 
                2381) Erica L. Olmsted-Hawala, Elizabeth D. Murphy, Sam Hawala, Kathleen T. Ashenfelter, U.S. Census Bureau | ||
| Powerful 
                and Consistent Analysis of Likert-Type Ratingscales (Page 
                2391) Maurits Clemens Kaptein, Eindhoven University of Technology Clifford Nass, Stanford University Panos Markopoulos, Eindhoven University of Technology | ||
| Measuring 
                the User Experience on a Large Scale: User-Centered Metrics for 
                Web Applications (Page 
                2395) Kerry Rodden, Hilary Hutchinson, Xin Fu, Google | ||
| Are 
                Your Participants Gaming the System? Screening Mechanical Turk 
                Workers (Page 2399) Julie S. Downs, Mandy B. Holbrook, Steve Sheng, Lorrie Faith Cranor, Carnegie Mellon University | ||
| Trained 
                to Accept? A Field Experiment on Consent Dialogs (Page 
                2403) Rainer Böhme, International Computer Science Institute Stefan Köpsell, Technische Universität Dresden | ||
| Session: 
                Cooking, Classrooms, and Craft Session Chair: Alice (Haeyun) Oh, KAIST (South Korea) | (Return to Top) | |
| Spyn: 
                Augmenting the Creative and Communicative Potential of Craft (Page 
                2407) Daniela K. Rosner, Kimiko Ryokai, University of California, Berkeley | ||
| Toque: 
                Designing a Cooking-Based Programming Language for and with Children (Page 
                2417) Sureyya Tarkan, Vibha Sazawal, Allison Druin, Evan Golub, Elizabeth M. Bonsignore, Greg Walsh, University of Maryland Zeina Atrash, Northwestern University | ||
| Cooking 
                with Robots: Designing a Household System Working in Open Environments (Page 
                2427) Yuta Sugiura, Keio University & JST, ERATO, IGARASHI Diasuke Sakamoto, The University of Tokyo & JST, ERATO, IGARASHI Anusha Withana, Masahiko Inami, Keio University & JST, ERATO, IGARASHI Takeo Igarashi, The University of Tokyo & JST, ERATO, IGARASHI |  | |
| Session: 
                Displays Where You Least Expect Them Session Chair: Chris Harrison, Carnegie Mellon University | (Return to Top) | |
|  | LensMouse: 
                Augmenting the Mouse with an Interactive Touch Display (Page 
                2431) Xing-Dong Yang, University of Alberta Edward Mak, David McCallum, Pourang Irani, University of Manitoba Xiang Cao, Shahram Izadi, Microsoft Research Cambridge |  | 
| PACER: 
                Fine-Grained Interactive Paper Via Camera-Touch Hybrid Gestures 
                on a Cell Phone (Page 
                2441) Chunyuan Liao, Qiong Liu, Bee Liew, Lynn Wilcox, FX Palo Alto Laboratory, Inc. | ||
|  | MousLight: 
                Bimanual Interactions on Digital Paper Using a Pen and a Spatially-Aware 
                Mobile Projector (Page 
                2451) Hyunyoung Song, Autodesk Research, University of Maryland & Cornell University Francois Guimbretiere, University of Maryland & Cornell University Tovi Grossman, George Fitzmaurice, Autodesk Research |  | 
| Session: 
                Domestic Life Session Chair: Dave Kirk, Nottingham University | (Return to Top) | |
| How 
                Routine Learners Can Support Family Coordination (Page 
                2461) Scott Davidoff, John Zimmerman, Anind K. Dey, Carnegie Mellon University | ||
|  | The 
                Design and Evaluation of an End-User-Deployable, Whole House, 
                Contactless Power Consumption Sensor (Page 
                2471) Shwetak N. Patel, Sidhant Gupta, University of Washington Matthew S. Reynolds, Duke University | |
| InPhase: 
                Evaluation of a Communication System Focused on "Happy Coincidences" 
                of Daily Behaviors (Page 
                2481) Hitomi Tsujita, Koji Tsukada, Siio Itiro, Ochanomizu University | ||
| Session: 
                Finding Your Mojo and Doing Some Good Session Chair: Deborah Tatar, Virginia Tech | (Return to Top) | |
| O 
                Job Can You Return My Mojo? Improving Human Engagement and Enjoyment 
                in Routine Activities (Page 
                2491) Dvijesh Shastri, Yuichi Fujiki, University of Houston Ross Buffington, Belmont University Panagiotis Tsiamyrtzis, Athens University of Business and Economics Ioannis Pavlidis, University of Houston | ||
| Identifying 
                Drivers and Hindrances of Social User Experience in Web Services (Page 
                2499) Kaisa Väänänen-Vainio-Mattila, Tampere University of Technology and Nokia Research Center Minna Wäljas, Jarno Ojala, Tampere University of Technology Katarina Segerståhl, University of Oulu | ||
| Session: 
                Software Understanding and Maintenance Session Chair: Bjoern Hartmann, University of California, Berkeley | (Return to Top) | |
|  | Code 
                Bubbles: A Working Set-Based Interface for Code Understanding 
                and Maintenance (Page 
                2503) Andrew Bragdon, Robert Zeleznik, Steven P. Reiss, Suman Karumuri, William Cheung, Joshua Kaplan, Christopher Coleman, Ferdi Adeputra, Brown University Joseph J. LaViola Jr., University of Central Florida |  | 
| How 
                to Support Designers in Getting Hold of the Immaterial Material 
                of Software (Page 2513) Fatih Kursat Ozenc, Miso Kim, John Zimmerman, Stephen Oney, Brad Myers, Carnegie Mellon University | ||
| Session: 
                Users and Attention on the Web Session Chair: Jeffrey W. Nichols, Carnegie Mellon University | (Return to Top) | |
| Enhancing 
                Web Page Readability for Non-Native Readers (Page 
                2523) Chen-Hsiang Yu, Robert C. Miller, Massachusetts Institute of Technology |  | |
| Session: 
                Going to the Mall: Shopping and Product Design Session Chair: Gregory Abowd, Georgia Tech | (Return to Top) | |
| Countertop 
                Responsive Mirror: Supporting Physical Retail Shopping for Sellers, 
                Buyers and Companions (Page 
                2533) Maurice Chu, Brinda Dalal, Alan Walendowski, Bo Begole, Palo Alto Research Center, Inc. |  | |
| Investigating 
                the Opportunity for a Smart Activity Bag (Page 
                2543) Sun Young Park, University of California, Irvine John Zimmerman, Carnegie Mellon University | ||
| Session: 
                Graphs Session Chair: Steve Feiner, Columbia University | (Return to Top) | |
| A 
                Model of Symbol Size Discrimination in Scatterplots (Page 
                2553) Jing Li, Eindhoven University of Technology Jean-Bernard Martens, Jarke J. van Wijk, Eindhoven University of Technology | ||
|  | Individual 
                Models of Color Differentiation to Improve Interpretability of 
                Information Visualization (Page 
                2563) David R. Flatla, Carl Gutwin, University of Saskatchewan | |
|  | Useful 
                Junk? the Effects of Visual Embellishment on Comprehension and 
                Memorability of Charts (Page 
                2573) Scott Bateman, Regan L. Mandryk, Carl Gutwin, Aaron Genest, David McDine, Christopher Brooks, University of Saskatchewan | |
| Session: 
                HCI and the Developing World Session Chair: Gary Olson, University of California, Irvine | (Return to Top) | |
|  | Intermediated 
                Technology Use in Developing Communities (Page 
                2583) Nithya Sambasivan, University of California, Irvine Ed Cutrell, Microsoft Research India Kentaro Toyama, University of California, Berkeley Bonnie Nardi, University of California, Irvine | |
| Deliberate 
                Interactions: Characterizing Technology Use in Nairobi, Kenya (Page 
                2593) Susan P. Wyche, Thomas N. Smyth, Marshini Chetty, Georgia Institute of Technology Paul M. Aoki, Intel Laboratories, Berkeley Rebecca E. Grinter, Georgia Institute of Technology | ||
| After 
                Access — Challenges Facing Mobile-Only Internet Users in the Developing 
                World (Page 2603) Shikoh Gitau, Gary Marsden, University of Cape Town Jonathan Donner, Microsoft Research India | ||
| ViralVCD: 
                Tracing Information-Diffusion Paths with Low Cost Media in Developing 
                Communities (Page 2607) Nithya Sambasivan, University of California, Irvine Ed Cutrell, Microsoft Research India Kentaro Toyama, University of California, Berkeley | ||
| Session: 
                No Touch Session Chair: Rob Miller, Massachusetts Institute of Technology | (Return to Top) | |
| Interactivity 
                and Non-Interactivity on Tabletops (Page 
                2611) Kenton O'Hara, Microsoft Research | ||
| Clutch-Free 
                Panning and Integrated Pan-Zoom Control on Touch-Sensitive Surfaces: 
                The Cyclostar Approach (Page 
                2615) Sylvain Malacria, Eric Lecolinet, Yves Guiard, Télécom ParisTech |  | |
| Touching 
                the Void: Direct-Touch Interaction for Intangible Displays (Page 
                2625) Li-Wei Chan, Hui-Shan Kao, Mike Y. Chen, Ming-Sui Lee, Jane Hsu, Yi-Ping Hung, National Taiwan University |  | |
 
 
