Conference Proceedings
                Extended Abstracts
                CHI 2010 Proceedings 
            Table of Contents (Wednesday, April 14th)
|  | =Nominated for a Best Paper Award | |
|  | =Best Paper Awarded | |
|  | =Paper has an accompanying video | |
| 
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| Session: 
                Bang a Table Session Chair: Dan Morris, Microsoft Research | ||
| Digital 
                Drumming: A Study of Co-Located, Highly Coordinated, Dyadic Collaboration (Page 
                1417) Bobby Beaton, Steve Harrison, Deborah Tatar, Virginia Polytechnic Institute and State University | ||
| G-nome 
                Surfer: A Tabletop Interface for Collaborative Exploration of 
                Genomic Data (Page 
                1427) Orit Shaer, Wellesley College Guy Kol, Babson College Megan Strait, Wellesley College Chloe Fan, Carnegie Mellon University Catherine Grevet, Georgia Institute of Technology Sarah Elfenbein, Wellesley College |  | |
| Session: 
                Expressing and Understanding Opinions in Social Media Session Chair: Cliff Lampe, Michigan State University | (Return to Top) | |
| "America 
                Is Like Metamucil": Fostering Critical and Creative Thinking about 
                Metaphor in Political Blogs (Page 
                1437) Eric P. S. Baumer, Jordan Sinclair, Bill Tomlinson, University of California, Irvine | ||
| Understanding 
                Dispute Resolution Online: Using Text to Reflect Personal and 
                Substantive Issues in Conflict (Page 
                1447) Matt Billings, Leon A. Watts, University of Bath | ||
| Presenting 
                Diverse Political Opinions: How and How Much (Page 
                1457) Sean A. Munson, Paul Resnick, University of Michigan | ||
| Session: 
                Humans and Sociability Session Chair: Rick Wash, Michigan State University | (Return to Top) | |
| Propitious 
                Aggregation: Reducing Participant Burden in Ego-Centric Network 
                Data Collection (Page 
                1467) Derek Lackaff, University of Texas at Austin | ||
| Trying 
                Too Hard? Effects of Mobile Agents' (Inappropriate) Social Expressiveness 
                on Trust, Affect and Compliance (Page 
                1471) Henriette Cramer, University of Amsterdam, Mobile Life Centre & SICS Vanessa Evers, Tim van Slooten, Mattijs Ghijsen, Bob Wielinga, University of Amsterdam | ||
| A 
                Simple Index for Multimodal Flexibility (Page 
                1475) Antti Oulasvirta, Joanna Bergstrom-Lehtovirta, Aalto University and University of Helsinki | ||
| Social 
                Gravity: A Virtual Elastic Tether for Casual, Privacy-Preserving 
                Pedestrian Rendezvous (Page 
                1485) John Williamson, University of Glasgow Simon Robinson, Swansea University Craig Stewart, Roderick Murray-Smith, University of Glasgow Matt Jones, Swansea University Stephen Brewster, University of Glasgow |  | |
| Session: 
                Looking with Video Session Chair: Dan Olsen, Brigham Young University | (Return to Top) | |
| Temporal 
                Hybridity: Mixing Live Video Footage with Instant Replay in Real 
                Time (Page 1495) Arvid Engström, Oskar Juhlin, Mobile Life, Interactive Institute Mark Perry, Brunel University Mathias Broth, Linköping University | ||
|  | Experience, 
                Adjustment, and Engagement: The Role of Video in Law Enforcement (Page 
                1505) Joe Tullio, Motorola, Inc. Elaine Huang, University of Calgary David Wheatley, Harry Zhang, Claudia Guerrero, Motorola, Inc. Amruta Tamdoo, University of Illinois at Chicago | |
|  | ToolClips: 
                An Investigation of Contextual Video Assistance for Functionality 
                Understanding (Page 
                1515) Tovi Grossman, George Fitzmaurice, Autodesk Research |  | 
| Session: 
                Pixels and Perception Session Chair: Allen Cypher, IBM | (Return to Top) | |
|  | Prefab: 
                Implementing Advanced Behaviors Using Pixel-Based Reverse Engineering 
                of Interface Structure (Page 
                1525) Morgan Dixon, James Fogarty, University of Washington |  | 
| GUI 
                Testing Using Computer Vision (Page 
                1535) Tsung-Hsiang Chang, Massachusetts Institute of Technology Tom Yeh, University of Maryland Robert C. Miller, Massachusetts Institute of Technology | ||
|  | Faster 
                Progress Bars: Manipulating Perceived Duration with Visual Augmentations (Page 
                1545) Chris Harrison, Zhiquan Yeo, Scott E. Hudson, Carnegie Mellon University |  | 
| Evaluation 
                of Progressive Image Loading Schemes (Page 
                1549) Chris Harrison, Anind K. Dey, Scott E. Hudson, Carnegie Mellon University |  | |
| Session: 
                Privacy Session Chair: Kirstie Hawkey, University of British Columbia | (Return to Top) | |
| Friends 
                Only: Examining a Privacy-Enhancing Behavior in Facebook (Page 
                1553) Fred Stutzman, Jacob Kramer-Duffield, University of North Carolina, Chapel Hill | ||
|  | Moving 
                Beyond Untagging: Photo Privacy in a Tagged World (Page 
                1563) Andrew Besmer, Heather Richter Lipford, University of North Carolina, Charlotte | |
| Standardizing 
                Privacy Notices: An Online Study of the Nutrition Label Approach (Page 
                1573) Patrick Gage Kelley, Lucian Cesca, Joanna Bresee, Lorrie Faith Cranor, Carnegie Mellon University | ||
| Session: 
                Storytelling Session Chair: Wendy Kellog, IBM | (Return to Top) | |
| Family 
                Story Play: Reading with Young Children (and Elmo) Over a Distance (Page 
                1583) Hayes Raffle, Rafael Ballagas, Nokia Research Center Glenda Revelle, Joan Ganz Cooney Center at Sesame Workshop Hiroshi Horii, Nokia Research Center Sean Follmer, Massachusetts Institute of Technology Janet Go, Nokia Research Center Emily Reardon, Sesame Workshop Koichi Mori, Joseph Kaye, Mirjana Spasojevic, Nokia Research Center |  | |
| Designing 
                with Mobile Digital Storytelling in Rural Africa (Page 
                1593) Nicola J. Bidwell, James Cook University Thomas Reitmaier, Gary Marsden, University of Cape Town Susan Hansen, University of Technology Sydney |  | |
| Let's 
                Play Chinese Characters — Mobile Learning Approaches Via Culturally 
                Inspired Group Games (Page 
                1603) Feng Tian, Fei Lv, Chinese Academy of Sciences Jingtao Wang, University of California, Berkeley Hongan Wang, Wencan Luo, Chinese Academy of Sciences Matthew Kam, Carnegie Mellon University Vidya Setlur, Nokia Research Palo Alto Guozhong Dai, Chinese Academy of Sciences John Canny, University of California, Berkeley |  | |
| Session: 
                Classroom Technologies Session Chair: Allison Druin, University of Maryland | (Return to Top) | |
|  | Expressive 
                Robots in Education: Varying the Degree of Social Supportive Behavior 
                of a Robotic Tutor (Page 
                1613) Martin Saerbeck, Philips Research & Eindhoven University of Technology Tom Schut, Philips Research Christoph Bartneck, Eindhoven University of Technology Maddy D. Janse, Philips Research | |
|  | Exploring 
                Affective Technologies for the Classroom with the Subtle Stone (Page 
                1623) Madeline Balaam, University of Sussex Geraldine Fitzpatrick, Vienna University of Technology Judith Good, University of Sussex Rosemary Luckin, London Knowledge Laboratory | |
| vSked: 
                Evaluation of a System to Support Classroom Activities for Children 
                with Autism (Page 1633) Sen H. Hirano, Michael T. Yeganyan, University of California, Irvine Gabriela Marcu, Carnegie Mellon University David H. Nguyen, University of California, Irvine Lou Anne Boyd, North Orange County Special Education Gillian R. Hayes, University of California, Irvine | ||
| Session: 
                Devising Input Session Chair: Jan Borchers, University of Aachen | (Return to Top) | |
| Comparing 
                User Performance with Single-Finger, Whole-Hand, and Hybrid Pointing 
                Devices (Page 1643) Xiang Cao, Nicolas Villar, Shahram Izadi, Microsoft Research Cambridge | ||
| How 
                Users Manipulate Deformable Displays as Input Devices (Page 
                1647) Sang-Su Lee, Sohyun Kim, Bopil Jin, Eunji Choi, Boa Kim, Xu Jia, Daeeop Kim, Kun-pyo Lee, Korea Advanced Institute of Science and Technology | ||
| Cord 
                Input: An Intuitive, High-Accuracy, Multi-Degree-of-Freedom Input 
                Method for Mobile Devices (Page 
                1657) Julia Schwarz, Chris Harrison, Scott Hudson, Jennifer Mankoff, Carnegie Mellon University |  | |
|  | Minput: 
                Enabling Interaction on Small Mobile Devices with High-Precision, 
                Low-Cost, Multipoint Optical Tracking (Page 
                1661) Chris Harrison, Scott E. Hudson, Carnegie Mellon University |  | 
| Session: 
                Expertise Session Chair: Sadat Shami, IBM | (Return to Top) | |
|  | How 
                Power Users Help and Hinder Open Bug Reporting (Page 
                1665) Andrew J. Ko, Parmit K. Chilana, University of Washington | |
| Bringing 
                the Field into Focus: User-centered Design of a Patient Expertise 
                Locator (Page 1675) Andrea Civan-Hartzler, David W. McDonald, Chris Powell, Meredith M. Skeels, Marlee Mukai, Wanda Pratt, University of Washington | ||
| What 
                Do You Know? Experts, Novices and Territoriality in Collaborative 
                Systems (Page 1685) Jennifer Thom-Santelli, IBM T.J. Watson Research Center Dan Cosley, Geri Gay, Cornell University | ||
| Session: 
                Interactions in the World Session Chair: Volker Wulf, University of Siegen | (Return to Top) | |
| An 
                Empirical Task Analysis of Warehouse Order Picking Using Head-Mounted 
                Displays (Page 1695) Kimberly A. Weaver, Georgia Institute of Technology Hannes Baumann, Universität Bremen Thad Starner, Georgia Institute of Technology Hendrick Iben, Michael Lawo, Universität Bremen | ||
| Where 
                Is My Team? Supporting Situation Awareness with Tactile Displays (Page 
                1705) Martin Pielot, OFFIS Institute for Information Technology Oliver Krull, Susanne Boll, University of Oldenburg | ||
| Session: 
                Sound and Speech Session Chair: Khai Troung, University of Toronto | (Return to Top) | |
|  | Clutching 
                At Straws: Using Tangible Interaction to Provide Non-Visual Access 
                to Graphs (Page 1715) David McGookin, Euan Robertson, Stephen Brewster, University of Glasgow |  | 
| Effects 
                of Automated Transcription Quality on Non-native Speakers' Comprehension 
                in Real-time Computer-mediated Communication (Page 
                1725) Ying xin Pan, Danning Jiang, IBM Research China Lin Yao, Chinese Academy of Science Michael Picheny, IBM T.J. Watson Research Center Yong Qin, IBM Research China | ||
| Understanding 
                the Impact of Abstracted Audio Preview of SMS (Page 
                1735) Alireza Sahami Shirazi, University of Duisburg-Essen Ari-Heikki Sarjanoja, Nokia Research Center Florian Alt, Albrecht Schmidt, University of Duisburg-Essen Jonna Häkkilä, Nokia Research Center | ||
| Session: 
                Using Your Social Network Session Chair: Jeff Hancock, Cornell University | (Return to Top) | |
| What 
                Do People Ask Their Social Networks, and Why? A Survey Study of 
                Status Message Q&A Behavior (Page 
                1739) Meredith Ringel Morris, Microsoft Research Jaime Teevan, Microsoft Research Katrina Panovich, Massachusetts Institute of Technology | ||
| Affirming 
                the Self Through Online Profiles: Beneficial Effects of Social 
                Networking Sites (Page 
                1749) Catalina L. Toma, Cornell University | ||
|  | Improving 
                Social Game Engagement on Facebook Through Enhanced Socio-Contextual 
                Information (Page 1753) Ben Kirman, Shaun Lawson, Conor Linehan, University of Lincoln Francesco Martino, Luciano Gamberini, University of Padova Andrea Gaggioli, Istituto Auxologico Italiano | |
| The 
                Role of Community and Groupware in Geocache Creation and Maintenance (Page 
                1757) Carman Neustaedter, Kodak Research Laboratories Anthony Tang, University of British Columbia Tejinder K. Judge, Virginia Polytechnic and State University | ||
| Session: 
                Working with Medical Records Session Chair: Geraldine Fitzpatrick, University of Vienna | (Return to Top) | |
| Doctors 
                and Psychosocial Information: Records and Reuse in Inpatient Care (Page 
                1767) Xiaomu Zhou, Mark S. Ackerman, Kai Zheng, University of Michigan | ||
| Supporting 
                Coordination in Surgical Suites: Physical Aspects of Common Information 
                Spaces (Page 1777) Peter G. Scupelli, Carnegie Mellon University Yan Xiao, Baylor Health Care System Susan R. Fussell, Cornell University Sara Kiesler, Mark D. Gross, Carnegie Mellon University | ||
| Documenting 
                Transitional Information in EMR (Page 
                1787) Yunan Chen, University of California, Irvine | ||
| Session: 
                Bikes and Buses Session Chair: Duncan Rowland, University of Nottingham | (Return to Top) | |
| Understanding 
                the Space for Co-Design in Riders' Interactions with a Transit 
                Service (Page 1797) Daisy Yoo, John Zimmerman, Aaron Steinfeld, Anthony Tomasic, Carnegie Mellon University | ||
|  | OneBusAway: 
                Results from Providing Real-Time Arrival Information for Public 
                Transit (Page 1807) Brian Ferris, Kari Watkins, Alan Borning, University of Washington | |
| Biketastic: 
                Sensing and Mapping for Better Biking (Page 
                1817) Sasank Reddy, Katie Shilton, Gleb Denisov, Christian Cenizal, Deborah Estrin, Mani Srivastava, University of California, Los Angeles | ||
| Session: 
                Death and Fear Session Chair: Janet Vertesi, University of California, Irvine | (Return to Top) | |
|  | A 
                Death in the Family: Opportunities for Designing Technologies 
                for the Bereaved (Page 
                1821) Michael Massimi, Ronald M. Baecker, University of Toronto | |
|  | Passing 
                On & Putting to Rest: Understanding Bereavement in the Context 
                of Interactive Technologies (Page 
                1831) William Odom, Carnegie Mellon University Richard Harper, Abigail Sellen, Microsoft Research, Cambridge David Kirk, University of Nottingham Richard Banks, Microsoft Research, Cambridge | |
|  | Fear 
                and the City—Role of Mobile Services in Harnessing Safety and 
                Security in Urban Use Contexts (Page 
                1841) Jan Blom, Divya Viswanathan, Mirjana Spasojevic, Janet Go, Karthik Acharya, Robert Ahonius, Nokia Research Center, Bangalore | |
| Session: 
                Earth, Wind, and Flyer Session Chair: Gilbert Cockton, Northumbria University | (Return to Top) | |
| Upstream: 
                Motivating Water Conservation with Low-Cost Water Flow Sensing 
                and Persuasive Displays (Page 
                1851) Stacey Kuznetsov, Eric Paulos, Carnegie Mellon University |  | |
| inAir: 
                Sharing Indoor Air Quality Measurements and Visualizations (Page 
                1861) Sunyoung Kim, Eric Paulos, Carnegie Mellon University | ||
| Exploring 
                Sustainable Design with Reusable Paper (Page 
                1871) Julie Wagner, Wendy Mackay, INRIA, Université Paris-Sud | ||
| Finding 
                the Lost Treasure: Understanding Reuse of Used Computing Devices (Page 
                1875) Jina Huh, Kevin Nam, Nikhil Sharma, University of Michigan | ||
| Session: 
                Medical Data Session Chair: John Canny, University of California, Berkley | (Return to Top) | |
| Physician-Driven 
                Management of Patient Progress Notes in an Intensive Care Unit (Page 
                1879) Lauren Wilcox, IBM T.J. Watson Research Center & Columbia University Jie Lu, Jennifer Lai, IBM T.J. Watson Research Center Steven Feiner, Desmond Jordan, Columbia University | ||
|  | Mobile-izing 
                Health Workers in Rural India (Page 
                1889) Divya Ramachandran, John Canny, University of California, Berkeley Prabhu Dutta Das, Dhirubhai Ambani Institute of Information and Communication Technology Edward Cutrell, Microsoft Research India | |
| "Who's 
                Scribing?" Documenting Patient Encounter During Trauma Resuscitation (Page 
                1899) Aleksandra Sarcevic, Rutgers University | ||
| Session: 
                Social Media Users Session Chair: Laura Dabbish, Carnegie Mellon University | (Return to Top) | |
|  | Social 
                Network Activity and Social Well-Being (Page 
                1909) Moira Burke, Carnegie Mellon University Cameron Marlow, Thomas Lento, Facebook | |
| Predicting 
                Influence in an Online Community of Creators (Page 
                1913) Elisabeth Sylvan, TERC | ||
|  | Lurking? 
                Cyclopaths? A Quantitative Lifecycle Analysis of User Behavior 
                in a Geowiki (Page 
                1917) Katherine Panciera, Reid Priedhorsky, University of Minnesota Thomas Erickson, IBM T.J. Watson Research Center Loren Terveen, University of Minnesota | |
| Motivations 
                to Participate in Online Communities (Page 
                1927) Cliff Lampe, Rick Wash, Alcides Velasquez, Elif Ozkaya, Michigan State University | ||
| Session: 
                Subtle Expressions Through Sound and Text Session Chair: John Zimmerman, Carnegie Mellon University | (Return to Top) | |
| Motivating 
                Expressive Writing with a Text-To-Sound Application (Page 
                1937) Amy L. Gonzales, Tiffany Y. Ng, OJ Zhao, Geri Gay, Cornell University | ||
| Artificial 
                Subtle Expressions: Intuitive Notification Methodology of Artifacts (Page 
                1941) Takanori Komatsu, Shinshu University Seiji Yamada, National Institute of Informatics Kazuki Kobayashi, Shinshu University Kotaro Funakoshi, Mikio Nakano, Honda Research Institute Japan Co., Ltd. | ||
|  | SoundNet: 
                Investigating a Language Composed of Environmental Sounds (Page 
                1945) Xiaojuan Ma, Christiane Fellbaum, Perry R. Cook, Princeton University | |
| Session: 
                Tools Affecting the Enterprise Session Chair: Emilee Rader, Northwestern University | (Return to Top) | |
| Detecting 
                Professional Versus Personal Closeness Using an Enterprise Social 
                Network Site (Page 
                1955) Anna Wu, The Pennsylvania State University Joan M. DiMicco, David R. Millen, IBM T.J. Watson Research Center | ||
| Lessons 
                Learned from Blog Muse: Audience-based Inspiration for Bloggers (Page 
                1965) Casey Dugan, Werner Geyer, David R. Millen, IBM T.J. Watson Research | ||
| Session: Mapping the Landscape of Sustainable HCI | (Return to Top) | |
|  | Mapping 
                the Landscape of Sustainable HCI (Page 
                1975) Carl DiSalvo, Georgia Institute of Technology Phoebe Sengers, Hrönn Brynjarsdóttir, Cornell University | |
| Session: 
                Home Eco Behavior Session Chair: Eli Blevis, Indiana University-Bloomington | (Return to Top) | |
| Home, 
                Habits, and Energy: Examining Domestic Interactions and Energy 
                Consumption (Page 1985) James Pierce, Palo Alto Research Center & Carnegie Mellon University Diane J. Schiano, Yahoo!, Inc. & Palo Alto Research Center Eric Paulos, Carnegie Mellon University | ||
| Studying 
                Always-On Electricity Feedback in the Home (Page 
                1995) Yann Riche, Riche Design Jonathan Dodge, Ronald A. Metoyer, Oregon State University | ||
|  | The 
                Design of Eco-Feedback Technology (Page 
                1999) Jon Froehlich, Leah Findlater, James Landay, University of Washington | |
| Session: 
                On the Phone Session Chair: Jason Alexander, University of Bristol | (Return to Top) | |
| Mobile 
                Taskflow in Context: A Screenshot Study of Smartphone Usage (Page 
                2009) Amy K. Karlson, Shamsi T. Iqbal, Brian Meyers, Gonzalo Ramos, Kathy Lee, Microsoft Corporation John C. Tang, Microsoft Research & Microsoft Corporation | ||
| An 
                Adaptive Speed-Call List Algorithm and Its Evaluation with ESM (Page 
                2019) Seunghwan Lee, Jungsuk Seo, Geehyuk Lee, Korea Advanced Institute of Science and Technology | ||
| Evaluation 
                of Text Entry Methods for Korean Mobile Phones, A User Study (Page 
                2023) Ivaylo Ilinkin, Sunghee Kim, Gettysburg College | ||
| Session: 
                Remember and Reflect Session Chair: Kristina Höök, SICS | (Return to Top) | |
| Pensieve: 
                Supporting Everyday Reminiscence (Page 
                2027) S. Tejaswi Peesapati, Victoria Schwanda, Johnathon Schultz, Matt Lepage, So-yae Jeong, Dan Cosley, Cornell University | ||
| Involving 
                Reflective Users in Design (Page 
                2037) Paula M. Bach, Michael Twidale, University of Illinois at Urbana Champaign | ||
| Designing 
                Games for Learning: Insights from Conversations with Designers (Page 
                2041) Katherine Isbister, New York University Mary Flanagan, Dartmouth College Chelsea Hash, New York University | ||
| Now 
                Let Me See Where I Was: Understanding How Lifelogs Mediate Memory (Page 
                2045) Vaiva Kalnikaite, The University of Sheffield Abigail Sellen, Microsoft Research Cambridge Steve Whittaker, IBM Research Almaden David Kirk, The University of Nottingham | ||
| Session: 
                Sharing in Specific Communities Session Chair: Jofish Kaye, Nokia | (Return to Top) | |
|  | The 
                Prayer Companion: Openness and Specificity, Materiality and Spirituality (Page 
                2055) William Gaver, University of London Mark Blythe, University of York Andy Boucher, Nadine Jarvis, John Bowers, University of London Peter Wright, Sheffield Hallum University | |
|  | What's 
                Your Idea? A Case Study of a Grassroots Innovation Pipeline Within 
                a Large Software Company (Page 
                2065) Brian P. Bailey, University of Illinois at Urbana Champaign & Microsoft Research Eric Horvitz, Microsoft Research | |
| Asl-Stem 
                Forum: Enabling Sign Language to Grow Through Online Collaboration (Page 
                2075) Anna C. Cavender, Daniel S. Otero, University of Washington Jeffrey P. Bigham, University of Rochester Richard E. Ladner, University of Washington | ||
| Curator: 
                A Game with a Purpose for Collection Recommendation (Page 
                2079) Greg Walsh, Jennifer Golbeck, University of Maryland, College Park | ||
| Session: 
                Something Eye Catching Session Chair: Jacob Biehl, FxPal | (Return to Top) | |
| Modeling 
                Dwell-Based Eye Pointing Target Acquisition (Page 
                2083) Xinyong Zhang, Renmin University of China, Peking University & Beijing Institute of Technology Xiangshi Ren, Kochi University of Technology Hongbin Zha, Peking University | ||
| Gazemarks 
                — Gaze-Based Visual Placeholders to Ease Attention Switching (Page 
                2093) Dagmar Kern, University of Duisburg-Essen Paul Marshall, Open University Albrecht Schmidt, University of Duisburg-Essen | ||
|  | Knowing 
                Where and When to Look in a Time-Critical Multimodal Dual Task (Page 
                2103) Anthony J. Hornof, Yunfeng Zhang, Tim Halverson, University of Oregon |  | 
| Session: 
                Therapy and Rehabilitation Session Chair: Amy Hurst, Carnegie Mellon University | (Return to Top) | |
| Towards 
                Customizable Games for Stroke Rehabilitation (Page 
                2113) Gazihan Alankus, Washington University in St. Louis Amanda Lazar, University of California, San Diego Matt May, Caitlin Kelleher, Washington University in St. Louis | ||
|  | Designing 
                Patient-Centric Information Displays for Hospitals (Page 
                2123) Lauren Wilcox, Columbia University & Microsoft Research Dan Morris, Desney Tan, Microsoft Research Justin Gatewood, Washington Hospital Center | |
| Supporting 
                Sandtray Therapy on an Interactive Tabletop (Page 
                2133) Mark Hancock, University of Calgary Thomas ten Cate, University of Calgary & University of Groningen Sheelagh Carpendale, University of Calgary Tobias Isenberg, University of Groningen |  | |
 
 
