Publications and Contributions

• Blog post
  CS education policymaking: how a (state) bill becomes a (state) law (2019)

  Bits and Behavior Author: Andrew Ko
• Conference Paper
  Empowering families facing English literacy challenges to jointly engage in computer programming (2018)

  Proceedings of SIGCHI Human Factors in Computing Systems (CHI 2018) Authors: Rahul Banerjee, Leanne Liu, Kiley Sobel, Caroline Pitt, Kung Jin Lee, Meng Wang, Sijin Chen, Lydia Davidson, Jason Yip, Andrew Ko, Zoran Popovič
• Blog Post
  Grand challenges in program comprehension and software repository mining: my keynote on interdisciplinarity and research relevance (2018)

  Medium Author: Andrew Ko
• Conference Paper
  Informal computing mentoring of low-income adolescents: Relationships, roles, qualities, and impact (2018)

  Proceedings of SIGCSE 2018 Authors: Andrew Ko, Leanne Hwa, Katharine Davis, Jason Yip
• Conference Paper
  Rewire: Interface Design Assistance From Examples (2018)

  2018 ACM CHI Conference on Human Factors in Computing Systems Authors: Amanda Swearngin, Mira Dontcheva, Wilmot Li, Morgan Dixon, Joel Brandt, Andrew Ko
• Blog Post
  Ten years after the Whyline (2018)

  Medium Author: Andrew Ko
• Conference Paper
  A Three-Year Participant Observation of Software Startup Software Evolution (2017)

  International Conference on Software Engineering (ICSE), Software Engineering in Practice Author: Andrew Ko
• Conference Poster
  Accessibility as a First-Class Concern in Teaching GUIs and Software Engineering (2017)

  SIGCSE '17: Proceedings of the 48th ACM Technical Symposium on Computing Science Education, ISBN/ISSN: 978-1-4503-4698-6 Authors: Joel Ross, Andrew Ko, David L Stearns
• Conference Paper
  Barriers Faced by Coding Bootcamp Students (2017)

  13th Annual ACM International Computing Education Research (ICER) Conference Authors: Kyle Thayer, Andrew Ko
• Conference Paper
  Barriers Faced by Coding Bootcamp Students (2017)

  Proceedings of ICER ’17 Authors: Kyle Thayer, Andrew Ko
• Conference Paper
  Barriers faced by coding bootcamp participants (2017)

  ACM International Computing Education Research Conference Authors: Kyle Thayer, Andrew Ko
• Conference Paper
  Comprehension First: Evaluating a Novel Pedagogy and Tutoring System for Program Tracing in CS1 (2017)

  ACM Conference on International Computing Education Research Authors: Gregory L Nelson, Benjamin Xie, Andrew Ko
• Conference Paper
  Comprehension First: Evaluating a Novel Pedagogy and Tutoring System for Program Tracing in CS1 (2017)

  13th Annual ACM International Computing Education Research (ICER) Conference Authors: Greg Nelson, Benjamin Xie, Andrew Ko
• Conference Paper
  Comprehension first: evaluating a novel pedagogy and tutoring system for program tracing in CS1 (2017)

  ACM International Computing Education Research Conference Authors: Greg Nelson, Benjamin Xie, Andrew Ko
• Conference Paper
  Computing mentorship in a software boomtown: relationships to adolescent interest and beliefs (2017)

  ACM International Computing Education Research Conference (ICER) Authors: Andrew Ko, Katharine Davis
• Conference Paper
  Cross-Disciplinary Perspectives on Collaborations with Software Engineers (2017)

  International Workshop on Cooperative and Human Aspects of Software Engineering (CHASE) Authors: Paul Li, Andrew Ko, Andrew Begel
• Journal Article, Academic Journal
  General Principles for a Generalized Idea Garden (2017)

  Journal of Visual Languages & Computing, Volume 39, Page 51-65 Authors: William Jernigan, Amber Horvath, Michael Lee, Margaret M Burnett, Taylor Cuilty, Sandeep Kuttal, Anicia Peters, Irwin Kwan, Faezeh Bahmani, Andrew Ko, Christopher Mendez, Alannah Oleson
• Conference Paper
  Genie: Input Retargeting on the Web through Command Reverse Engineering (2017)

  ACM Conference on Human Factors in Computing Systems (CHI) Authors: Amanda Swearngin, Andrew Ko, James Fogarty
• Magazine/Trade Publication
  AccessComputing Promotes Teaching Accessibility (2016)

  ACM Inroads, Volume 7, Issue 4, Page 65-68 Authors: Andrew Ko, Richard Ladner
• Magazine/Trade Publication
  Programmers are Users Too: Human Centered Methods for Improving Tools for Programming (2016)

  IEEE Computer, Volume 49, Issue 7, Page 44-52 Authors: Brad A. Myers, Andrew Ko, Thomas LaToza, YoungSeok Yoon
• Conference Paper
  Programming, Problem Solving, and Self-Awareness: Effects of Explicit Guidance (2016)

  ACM Conference on Human Factors in Computing Systems (CHI) Authors: Dastyni Loksa, Andrew Ko, William Jernigan, Alannah Oleson, Christopher Mendez, Margaret M Burnett
• Conference Paper
  The Role of Self-Regulation in Programming Problem Solving Process and Success (2016)

  ACM International Computing Education Research Conference (ICER) Authors: Dastyni Loksa, Andrew Ko
• Book, Chapter in Scholarly Book-New
  The World is Your Test Suite (2016)

  Perspectives on Data Science for Software Engineering Author: Andrew Ko
• Workshop Paper
  What is a Programming Language, Really? (2016)

  Proceedings of the 7th International Workshop on Evaluation and Usability of Programming Languages and Tools, Page 32-33 Author: Andrew Ko
• Column
  Why the Software Industry Needs Computing Education Research (2016)

  The Huffington Post Authors: Andrew Ko, Susanne Hambrusch
• Conference Paper
  Comparing the Effectiveness of Online Learning Approaches on CS1 Learning Outcomes (2015)

  ACM International Computing Education Research Conference Authors: Michael Lee, Andrew Ko
• Conference Paper
  Explaining Visual Changes in Web Interfaces (2015)

  UIST - ACM Symposium on User Interface Software and Technology Authors: Brian Burg, Andrew Ko, Michael D. Ernst
• Conference Paper
  From User-Centered Design to Adoption-Centered Design: A Case Study of a Research System Becoming a Product (2015)

  Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI ’15), Page 1749-1785 Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock
• Conference Paper
  It's the Principle(s) of the Thing! A Principled Evaluation for a Principled Idea Garden (2015)

  IEEE Symposium on Visual Languages and Human-Centric Computer (VL/HCC) Authors: Will Jernigan, Amber Horvath, Michael Lee, Margaret Burnett, Taylor Cuilty, Sandeep Kuttal, Anicia Peters, Irwin Kwan, Faezeh Bahaman, Andrew Ko
• Conference Paper
  Challenging Stereotypes and Changing Attitudes: The Effect of a Brief Programming Encounter on Adults' Attitudes toward Programming (2014)

  ACM Symposium on Computer Science Education Authors: Polina Charters, Andrew Ko, Michael Lee, Dastyni Loksa
• Conference Paper
  Principles of a Debugging-First, Gender-Inclusive, Help-Yourself Puzzle Game for Computing Education (2014)

  IEEE Conference on Visual Languages and Human-Centric Computing Authors: Michael Lee, Faezeh Bahmani, Irwin Kwan, Jilian LaFerte, Polina Charters, Amber Horvath, Fanny Luor, Jill Cao, Catherine Law, Michael Beswetherick, Sheridan Long, Margaret M Burnettt, Andrew Ko
• Workshop Paper
  Thirty Years of Software Problems in the News (2014)

  International Workshop on Cooperative and Human Aspects of Software Engineering Authors: Andrew Ko, Bryan Dosono, Neeraja Duriseti
• Conference Paper
  A Multi-Site Field Study of Crowdsourced Contextual Help: Usage and Perspectives of End-Users and Software Teams (2013)

  ACM Conference on Human Factors in Computing Systems Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock, Tovi Grossman
• Journal Article, Academic Journal
  A Practical Guide to Controlled Experiments of Software Engineering Tools with Human Participants (2013)

  Empirical Software Engineering, Page 1382-3256 Authors: Andrew Ko, Thomas D LaToza, Margaret M Burnett
• Workshop Paper
  Crowdsourced Q&A-based Contextual Help for Web Applications: Challenges and Opportunities (2013)

  CSCW Workshop on Social Media Question Asking Authors: P.K. Chilana, Andrew Ko, Jacob O. Wobbrock
• Conference Paper
  In-Game Assessments Increase Novice Programmers’ Engagement and Learning Efficiency (2013)

  International Computing Education Research Conference Authors: Michael Lee, Andrew Ko, Irwin Kwan
• Conference Paper
  Interactive Record/Replay for Web Application Debugging (2013)

  ACM Symposium on User Interface Software and Technology, Page 473-484 Authors: Brian Burg, Richard Bailey, Andrew Ko, Michael D Ernst
• Conference Paper
  Designing for a billion users: A case study of Facebook (2012)

  ACM Conference on Human Factors in Computing Systems, Extended Abstracts Authors: Parmit Chilana, Christina Holsberry, Flavio Oliveira, Andrew Ko
• Conference Paper
  Investigating the Role of Purposeful Goals on Novices' Engagement in a Programming Game (2012)

  IEEE Symposium on Visual Languages and Human-Centric Computing Authors: Michael Lee, Andrew Ko
• Conference Paper
  Is this what you meant? Promoting listening on the web with reflect (2012)

  ACM Conference on Human Factors in Computing Systems Authors: Travis Kriplean, Michael Toomim, Jonathan Morgan, Alan Borning, Andrew Ko
• Conference Paper
  LemonAid: Selection-based crowdsourced contextual help for web applications (2012)

  ACM Conference on Human Factors in Computing Systems Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock
• Conference Paper
  Mining whining in support forums with Frictionary (2012)

  Extended Abstracts on ACM Conference on Human Factors in Computing Systems Author: Andrew Ko
• Conference Paper
  A case study of post-deployment user feedback triage (2011)

  International Workshop on Cooperative and Human Aspects of Software Engineering, Page 1-8 Authors: Andrew Ko, Michael Lee, Valentina Ferrari, Stephen Ip, Charlie Tran
• Conference Paper
  Characterizing the differences between pre- and post-release versions of software (2011)

  International Conference on Software Engineering, Page 716-725 Authors: Paul Li, Ryan Kivett, Zhiyuan Zhan, Sung-eok Jeon, Nachiappan Nagappan, Brendan Murphy, Andrew Ko
• Conference Paper
  Design, discussion, and dissent in open bug reports (2011)

  iConference 2011, Page 106-113 Authors: Parmit Chilana, Andrew Ko
• Conference Paper
  FeedLack detects missing feedback in web applications (2011)

  ACM Conference on Human Factors in Computing, Page 2177-2186 Authors: Andrew Ko, Xing Zhang
• Conference Paper
  Personifying programming tool feedback improves novice programmers' learning (2011)

  International Computing Education Research Conference, Page 109-116 Authors: Michael Lee, Andrew Ko
• Conference Short Paper
  Post-deployment usability: A survey of current practices (2011)

  ACM Conference on Human Factors in Computing Systems, Page 2243-2246 Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock, Tovi Grossman, George Fitzmaurice
• Conference Short Paper
  The role of conceptual knowledge in API usability (2011)

  IEEE Symposium on Visual Languages and Human-Centric Computing, Page 173-176 Author: Andrew Ko
• Journal Article, Academic Journal
  The state of the art in end-user software engineering (2011)

  ACM Computing Surveys 43, 3, Article 21 (April 2011), Page 44 pages Authors: Andrew Ko, R Abraham, L Beckwith, A Blackwell, M M Burnett, M Erwig, C Scaffidi, J Lawrence, H Lieberman, B A Myers, M B Rosson, G Rothermel, M Shaw, S Wiedenbeck
• Conference Workshop Paper
  Using crowdsourcing in the design of context-sensitive help for web applications (2011)

  CHI 2011 Workshop on “Crowdsourcing and Human Computation” Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock
• Journal Article, Academic Journal
  Why-oriented end-user debugging of naive Bayes text classification (2011)

  ACM Transactions on Interactive Intelligent Systems, Volume 1, Issue 1 Authors: Todd Kuleza, Simone Stumpf, Weng Keen Wong, Margaret Burnett, Stephen Perona, Andrew Ko, Ian Oberst
• Conference Paper
  Cleanroom: Edit-time error detection with the uniqueness heuristic (2010)

  IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC), Page 7-14 Authors: Andrew Ko, Jacob O. Wobbrock
• Journal Article, Professional Journal
  Extracting and answering why and why not questions about Java program output (2010)

  ACM Transactions on Software Engineering and Methodology, Volume 20, Issue 2 Authors: Andrew Ko, B A Myers
• Conference Paper
  Gestalt: integrated support for implementation and analysis in machine learning (2010)

  ACM Symposium on User Interface Software and Technology (UIST 2010), Page 37-46 Authors: Kayur Patel, Naomi Bancroft, Steven M. Drucker, James Fogarty, Andrew Ko, James A. Landay
• Conference Paper
  How power users help and hinder open bug reporting (2010)

  ACM Conference on Human Factors in Computing Systems (CHI ’10), Page 2337-2346 Authors: Parmit Chilana, Andrew Ko
• Conference Paper
  Understanding expressions of unwanted behaviors in open bug reporting (2010)

  IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC), Page 203-206 Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock
• Book, Chapter in Non-Scholarly Book-New
  Understanding software engineering through qualitative methods (2010)

  Making Software: What Really Works and Why We Believe It, Page 14 Author: Andrew Ko
• Conference Paper
  Understanding usability practices in complex domains (2010)

  Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI ’10), Page 2337-2346 Authors: Parmit Chilana, Jacob O. Wobbrock, Andrew Ko
• Conference Paper
  Attitudes and self-efficacy in young adults' computing autobiographies (2009)

  IEEE Symposium on Visual Languages and Human-Centric Computer (VL/HCC), Page 67-74 Authors: Andrew Ko, B A Meyers
• Conference Paper
  Comparing bioinformatics software development by computer scientists and biologists: An exploratory study (2009)

  Proceedings of the 2009 ICSE Workshop on Software Engineering for Computational Science and Engineering, Page 72-79 Authors: Parmit Chilana, Carole L Palmer, Andrew Ko
• Conference Workshop Paper
  Designing software for unfamiliar domains (2009)

  International Workshop on Cooperative and Human Aspects of Software Engineering Authors: Parmit Chilana, Andrew Ko, Jacob O. Wobbrock
• Conference Paper
  Finding causes of program output with the Java Whyline (2009)

  ACM Conference on Human Factors in Computing Systems (CHI), Page 1569-1578 Authors: Andrew Ko, B A Meyers
• Conference Paper
  Fixing the program my computer learned: Barriers for end users, challenges for the machine (2009)

  Conference on Intelligent User Interfaces (IUI), Page 187-196 Authors: T. Kuleza, W K Wong, S Perona, R White, I Oberst, S Stumpf, M M Burnett, Andrew Ko
• Conference Paper
  Past, present and future of programming in HCI (2009)

  Human-Computer Interaction Consortium Authors: B. A. Meyers, Andrew Ko
• Journal Article, Professional Journal
  Reflections on the future of iSchools from inspired junior faculty. (2009)

  interactions, Volume 16, Issue 5, Page 69-71 Authors: Jacob O. Wobbrock, Andrew Ko, J. A. Kientz
• Conference Paper
  Asking and answering questions about the causes of software behaviors (2008)

  Author: Andrew Ko
• Conference Paper
  Debugging reinvented: Asking and answering why and why not questions about program behavior (2008)

  International Conference on Software Engineering, Page 301-310 Authors: Andrew Ko, B A Meyers
• Conference Paper
  Designers' natural descriptions of interactive behaviors (2008)

  IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC), Page 185-188 Authors: S. Park, B A Myers, Andrew Ko
• Conference Paper
  How designers design and program interactive behaviors (2008)

  IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC), Page 177-184 Authors: B. A. Myers, S Park, Y Nakano, G Mueller, Andrew Ko
• Conference Workshop Paper
  Source-level debugging with the Whyline (2008)

  International Workshop on Cooperative and Human Aspects of Software Engineering, Page 69-72 Authors: Andrew Ko, B A Myers
• Conference Workshop Paper
  End User Software Engineering (2007)

  CHI 2007 Special Interest Group Meeting, Page 2125-2128 Authors: B. A. Meyers, M M Burnett, S Wiedenbeck, Andrew Ko
• Conference Paper
  Information needs in collocated software development teams (2007)

  International Conference on Software Engineering, Page 344-353 Authors: Andrew Ko, R DeLine, G Venolia
• Conference Paper
  Let's go to the whiteboard: How and why software developers draw code (2007)

  ACM Conference on Human Factors in Computing Systems, Page 557-566 Authors: M. Cherubini, G Venolia, R Deline, Andrew Ko
• Conference Paper
  A linguistic analysis of how people describe software problems in bug reports (2006)

  IEEE Symposium on Visual Languages and Human-Centric Computing, Page 127-134 Authors: Andrew Ko, B A Myers, D H Chau
• Journal Article, Professional Journal
  An exploratory study of how developers seek, relate, and collect relevant information during software maintenance tasks (2006)

  IEEE Transactions on Software Engineering, Volume 33, Issue 12, Page 971-987 Authors: Andrew Ko, B A Myers, M J Coblenz, H H Aung
• Conference Paper
  Answering why and why not questions in user interfaces (2006)

  ACM Conference on Human Factors in Computing Systems, Page 397-406 Authors: B. A. Myers, D Weitzman, Andrew Ko, D H Chau
• Conference Paper
  Barista: An implementation framework for enabling new tools, interaction techniques and views for code editors (2006)

  ACM Conferences on Human Factors in Computing Systems, Page 387-396 Authors: Andrew Ko, B A Meyers
• Conference Paper
  Debugging by asking questions about program output (2006)

  International Conference on Software Engineering, Page 989-992 Author: Andrew Ko
• Conference Paper
  Dimensions characterizing programming feature usage by information workers (2006)

  IEEE Symposium on Visual Languages and Human-Centric Computing, Page 59-62 Authors: C. Scaffidi, Andrew Ko, B A Myers, M Shaw
• Conference Workshop Paper
  End-user programming productivity tools (2006)

  Institute for Software Research Authors: Andrew Ko, B A Meyers, M Coblenz, J Stylos
• Conference Extended Abstract
  Invited research overview: End-user programming (2006)

  ACM Conference on Human Factors in Computing Systems, Page 75-80 Authors: B. A. Meyers, Andrew Ko, M M Burnett
• Conference Published Video
  The Crystal framework and editor for answering why and why not questions (2006)

  ACM Conference on Human Factors in Computing Systems Authors: B. A. Myers, D A Weitzman, Andrew Ko, D H Chau
• Conference Workshop Paper
  The role of science in supporting software development (2006)

  Workshop on Supporting the Social Side of Large-Scale Software Development, Page 65-69 Authors: M. J. Coblenz, Andrew Ko, B A Meyers
• Journal Article, Academic Journal
  A framework and methodology for studying the causes of software errors in programming systems (2005)

  Journal of Visual Languages and Computing, Volume 16, Issue 1, Page 41-84 Author: Andrew Ko
• Conference Paper
  Citrus: A language and toolkit for simplifying the creation of structured editors for code and data (2005)

  ACM Symposium on User Interface Software and Technology, Page 3-12 Authors: Andrew Ko, B A Meyers
• Conference Paper
  Design requirements for more flexible structured editors from a study of programmers' text editing (2005)

  ACM Conference on Human Factors in Computing Systems, Page 1557-1560 Authors: Andrew Ko, H Aung, B A Myers
• Conference Paper
  Eliciting design requirements for maintenance-oriented IDEs: A detailed study of corrective and perfective maintenance Tasks (2005)

  International Conference on Software Engineering, Page 126-135 Authors: Andrew Ko, H Aung, B A Myers
• Conference Paper
  Examining task engagement in sensor-based statistical models of human interruptibility. (2005)

  ACM Conferences on Human Factors in Computing Systems, Page 331-340 Authors: J. Fogarty, Andrew Ko, H H Aung, E Golden, K P Tang, S E Hudson
• Conference Workshop Paper
  Human factors affecting dependability in end-user programming (2005)

  Workshop on End-User Software Engineering (WEUSE), Page 1-4 Authors: Andrew Ko, B A Myers
• Technical Report
  Identifying types of end users: Hints from an informal survey (2005)

  Carnegie Mellon University ISRI Technical Report, no. CMU-HCII-05-101 and Human Computer Interaction Institute Technical Report CMU-ISRI-05-110 Authors: C. Scaffidi, Andrew Ko, B A Myers, M Shaw
• Conference Published Video
  The Citrus language and user interface toolkit. Video figure (2005)

  ACM Symposium on User Interface Software and Technology Authors: Andrew Ko, B A Meyers
• Conference Paper
  Using objects of measurement to detect spreadsheet errors (2005)

  IEEE Symposium on Visual Languages and Human-Centric Computing, Page 22-26 Authors: M. J. Coblenz, Andrew Ko, B A Meyers
• Journal Article, Academic Journal
  Using the Cognitive Walkthrough to improve the design of a visual programming experiment (2002)

  Journal of Visual Languages and Computing, Volume 13, Page 517-544 Author: Andrew Ko
• Conference Paper
  An Explicit Strategy to Scaffold Novice Program Tracing

  SIGCSE 2018 Authors: Andrew Ko, Benjamin Xie, Greg Nelson
• Conference Paper
  Experiences of Computer Science Transfer Students

  ACM International Computing Education Research Conference (ICER) Authors: Harrison Kwik, Benjamin Xie, Andrew Ko
• Conference Paper
  On Use of Theory in Computing Education Research

  ACM International Computing Education Research Conference (ICER) Authors: Greg L. Nelson, Andrew Ko
• Conference Paper
  Pedagogical Content Knowledge for Teaching Inclusive Design

  ACM International Computing Education Research Conference (ICER) Authors: Alannah Oleson, Christopher Mendez, Zoe Steine-Hanson, Claudia Hilderbrand, Christopher Perdriau, Margaret Burnett, Andrew Ko
• Conference Paper
  Predicting Abandonment in Online Coding Tutorials

  IEEE Symposium on Visual Languages and Human-Centered Computing Authors: An Yan, Michael Lee, Andrew Ko
• Conference Paper
  Who Teaches Accessibility? A Survey of U.S. Computing Faculty

  SIGCSE 2018 Authors: Andrew Ko, Kristen S Shinohara, Saba Kawas, Richard Ladner