Recursively Defined Data Types. - Clayton H. Lewis; Barry K. Rosen (POPL, 1973)

Learning to use a text processing system: Evidence from "thinking aloud" protocols. - Clayton Lewis; Robert Mack 001 (CHI, 1982)

Designing for usability - key principles and what designers think. - John D. Gould; Clayton Lewis (CHI, 1983)

Learning to Use Word Processors: Problems and Prospects. - Robert L. Mack; Clayton H. Lewis; John M. Carroll 001 (ACM Trans. Inf. Syst., 1983)

Concepts and Implications of Undo for Interactive Recovery. - Robert F. Gordon; George B. Leeman Jr.; Clayton H. Lewis (ACM Annual Conference, 1985)

Effects of cursor speed on text-editing. - John D. Gould; Clayton Lewis; Vincent Barnes (CHI, 1985)

Extending the spreadsheet interface to handle approximate quantities and relationships. - Clayton H. Lewis (CHI, 1985)

Design for Usability: Key Principles and What Designers Think. - John D. Gould; Clayton Lewis (Commun. ACM, 1985)

Exploring Exploring a Word Processor. - John M. Carroll 001; Robert L. Mack; Clayton H. Lewis; Nancy L. Grischkowsky; Scott P. Robertson (Hum. Comput. Interact., 1985)

Cursor Movement during Text Editing. - John D. Gould; Clayton Lewis; Vincent Barnes (ACM Trans. Inf. Syst., 1985)

A model of mental model construction. - Clayton Lewis (CHI, 1986)

Learning about hidden events in system interactions. - Stephen Casner; Clayton Lewis (CHI, 1987)

Constraint-Based Hypertext for Argumentation. - Paul Smolensky; Brigham Bell; Barbara A. Fox; Roger King; Clayton H. Lewis (Hypertext, 1987)

Why and How to Learn Why: Analysis-Based Generalization of Procedures. - Clayton Lewis (Cogn. Sci., 1988)

Generalization, consistency, and control. - Clayton H. Lewis; D. Charles Hair; Victor Schoenberg (CHI, 1989)

Testing a walkthrough methodology for theory-based design of walk-up-and-use interfaces. - Clayton H. Lewis; Peter G. Polson; Cathleen Wharton; John Rieman (CHI, 1990)

Spreadsheet-based interactive graphics: from prototype to tool. - Nicholas P. Wilde; Clayton Lewis (CHI, 1990)

A Problem-oriented Classification of Visualization Techniques. - Stephen Wehrend; Clayton Lewis (IEEE Visualization, 1990)

A Research Agenda for the Nineties in Human-Computer Interaction. - Clayton H. Lewis (Hum. Comput. Interact., 1990)

Theory-Based Design for Easily Learned Interfaces. - Peter G. Polson; Clayton H. Lewis (Hum. Comput. Interact., 1990)

Usability testing of a graphical programming system: things we missed in a programming walkthrough. - Brigham Bell; John Rieman; Clayton H. Lewis (CHI, 1991)

An automated cognitive walkthrough. - John Rieman; Susan E. Davies; D. Charles Hair; Mary Esemplare; Peter G. Polson; Clayton H. Lewis (CHI, 1991)

Making Usable, Useful, Productivity-Enhancing Computer Applications. - John D. Gould; Stephen J. Boies; Clayton Lewis (Commun. ACM, 1991)

Problem-Centered Design for Expressiveness and Facility in a Graphical Programming System. - Clayton H. Lewis; John Rieman; Brigham Bell (Hum. Comput. Interact., 1991)

Addressing the psychology of programming in programming language design. - Brigham Bell; Wayne Citrin; Clayton H. Lewis; John Rieman; Robert P. Weaver; Nick Wilde; Benjamin G. Zorn (PPIG (1), 1992)

Cognitive Walkthroughs: A Method for Theory-Based Evaluation of User Interfaces. - Peter G. Polson; Clayton H. Lewis; John Rieman; Cathleen Wharton (Int. J. Man Mach. Stud., 1992)

Do algorithm animations assist learning?: an empirical study and analysis. - John T. Stasko; Albert N. Badre; Clayton Lewis (INTERCHI, 1993)

ChemTrains: A Language for Creating Behaving Pictures. - Brigham Bell; Clayton H. Lewis (VL, 1993)

Building HCI partnerships and infrastructure. - Ben Shneiderman; Clayton Lewis (Behav. Inf. Technol., 1993)

The future of programming interactive experience. - Chris DiGiano; Clayton H. Lewis; Chris Hurtt (CHI Conference Companion, 1994)

"Why is a raven like a writing desk?": lessons in interface consistency and analogical reasoning from two cognitive architectures. - John Rieman; Clayton H. Lewis; Richard M. Young; Peter G. Polson (CHI Conference Companion, 1994)

Simulation Models and Group Negotiation: Problems of Task Understanding and Computer Support. - Ilze Zigurs; E. Vance Wilson; Anthony M. Sloane; René F. Reitsma; Clayton H. Lewis (HICSS (4), 1994)

Using the Programming Walkthrough to Aid in Programming Language Design. - Brigham Bell; Wayne Citrin; Clayton H. Lewis; John Rieman; Robert P. Weaver; Nick Wilde; Benjamin G. Zorn (Softw. Pract. Exp., 1994)

Designing glyphs to exploit patterns in multidimensional datasets. - Christopher Joslyn; Clayton Lewis; Gitta Domik (CHI 95 Conference Companion, 1995)

A model of optimal exploration and decision making in novel interfaces. - Bob Rehder; Clayton H. Lewis; Robert B. Terwilliger; Peter G. Polson; John Rieman (CHI 95 Conference Companion, 1995)

Degrees of Comprehension: Children's Understanding of a Visual Programming Environment. - Cyndi Rader; Cathy Brand; Clayton H. Lewis (CHI, 1997)

Adapting User Interface Design Methods to the Design of Educational Activities. - Clayton H. Lewis; Cathy Brand; Gina Cherry; Cyndi Rader (CHI, 1998)

Designing Mixed Textual and Iconic Programming Languages for Novice Users. - Cyndi Rader; Gina Cherry; Cathy Brand; Alexander Repenning; Clayton H. Lewis (VL, 1998)

The intellectual effects of writing a simulation program. - Clayton Lewis (PPIG, 2000)

Introduction to This Special Issue on New Agendas for Human-Computer Interaction. - Wendy A. Kellogg; Clayton H. Lewis; Peter G. Polson (Hum. Comput. Interact., 2000)

Cognitive walkthrough for the web. - Marilyn Hughes Blackmon; Peter G. Polson; Muneo Kitajima; Clayton H. Lewis (CHI, 2002)

Making Constructionism Work in the Classroom. - Andri Ioannidou; Alexander Repenning; Clayton H. Lewis; Gina Cherry; Cyndi Rader (Int. J. Comput. Math. Learn., 2003)

Rehabilitation Engineering Research Center (RERC) for the advancement of cognitive technologies. - Cathy Bodine; Clayton Lewis (ACM SIGACCESS Access. Comput., 2004)

Bridges for the mind: opportunities for research on cognitive disabilities. - Clayton Lewis (ASSETS, 2005)

HCI for people with cognitive disabilities. - Clayton Lewis (ACM SIGACCESS Access. Comput., 2005)

Popcorn: the personal knowledge base. - Stephen Davies; Scotty Allen; Jon Raphaelson; Emil Meng; Jake Engleman; Roger King; Clayton H. Lewis (Conference on Designing Interactive Systems, 2006)

HCI and cognitive disabilities. - Clayton Lewis (Interactions, 2006)

Model-Driven Quality Assurance for End Users. - Steven Bucuvalas; Clayton Lewis (VL/HCC, 2007)

Attitudes and beliefs about computer science among students and faculty. - Clayton Lewis (ACM SIGCSE Bull., 2007)

Cognitive and learning difficulties and how they affect access to IT systems. - Simeon Keates; Ray Adams; Cathy Bodine; Sara J. Czaja; Wayne Gordon; Peter Gregor; Emily Hacker; Vicki L. Hanson; John Kemp; Mark Laff; Clayton Lewis; Michael Pieper; et al. (Univers. Access Inf. Soc., 2007)

Simplicity in cognitive assistive technology: a framework and agenda for research. - Clayton Lewis (Univers. Access Inf. Soc., 2007)

Naming practice on an open platform for people with aphasia. - Chris Benjamin; Jesse Harris; Alex Moncrief; Gail Ramsberger; Clayton Lewis (ASSETS, 2008)

Preface to the Focus Theme Section: 'Inclusive ICT Business'. - Paul Timmers; Patrizia Fariselli; Clayton Lewis (Electron. Mark., 2008)

Cognitive and Learning Impairments. - Clayton Lewis (Web Accessibility, 2008)

Naming practice for people with aphasia as a mobile web application. - Skye Chandler; Jesse Harris; Alex Moncrief; Clayton Lewis (ASSETS, 2009)

Access Tool? Accelerating Treadmill? Technology and the Aging Population. - Clayton Lewis; Lise Menn (HCI (5), 2009)

Mobile Technology for People with Cognitive Disabilities and Their Caregivers - HCI Issues. - Clayton H. Lewis; James Sullivan; Jeffery Hoehl (HCI (5), 2009)

Cognitive Disabilities. - Clayton Lewis (The Universal Access Handbook, 2009)

Naming practice for people with aphasia in a mobile web application: early user experience. - Khalyle Hagood; Terrance Moore; Tiffany Pierre; Paula Messamer; Gail Ramsberger; Clayton Lewis (ASSETS, 2010)

Student and faculty attitudes and beliefs about computer science. - Clayton H. Lewis; Michele H. Jackson; William M. Waite (Commun. ACM, 2010)

Mobile web on the desktop: simpler web browsing. - Jeffery Hoehl; Clayton H. Lewis (ASSETS, 2011)

Model-Based Dependability Analysis of Programmable Drug Infusion Pumps. - Sriram Sankaranarayanan 001; Hadjar Homaei; Clayton Lewis (FORMATS, 2011)

Issues in Web Presentation for Cognitive Accessibility. - Clayton Lewis (HCI (5), 2011)

Opportunities in Cloud Computing for People with Cognitive Disabilities: Designer and User Perspective. - Clayton Lewis; Nancy Ward (HCI (6), 2011)

Implications of Cloud Computing for People with Cognitive Disabilities. - James Sullivan; Clayton H. Lewis; Jeffery Hoehl (HCI (6), 2011)

To inclusive design through contextually extended IoC: infusion IoC, a JavaScript library and mentality for scalable development of accessible and maintainable systems. - Antranig M. Basman; Clayton H. Lewis; Colin B. D. Clark (OOPSLA Companion, 2011)

Designing for cognitive limitations. - D. Scott McCrickard; Clayton Lewis (Conference on Designing Interactive Systems, 2012)

Supporting employment matching with mobile interfaces. - Ziyi Zhang; D. Scott McCrickard; Shea Tanis; Clayton Lewis (ASSETS, 2012)

Engaging computer science in traditional education: the ECSITE project. - Debra Goldberg; Dirk Grunwald; Clayton H. Lewis; Jessica A. Feld; Sarah Hug (ITiCSE, 2012)

The simulation creation toolkit: an initial exploration into making programming accessible while preserving computational thinking. - Ashok R. Basawapatna; Alexander Repenning; Clayton H. Lewis (SIGCSE, 2013)

Addressing 21st century skills by embedding computer science in K-12 classes. - Debra Goldberg; Dirk Grunwald; Clayton Lewis; Jessica A. Feld; Kristin Donley; Odette Edbrooke (SIGCSE, 2013)

Pushing the Raman principle. - Clayton Lewis (W4A, 2013)

Public policy and the global public inclusive infrastructure project. - Clayton Lewis; Jutta Treviranus (Interactions, 2013)

Nonvisual Visual Programming. - Clayton Lewis (PPIG, 2014)

Nonvisual Access to an Interactive Electric Field Simulation: Work in Progress. - Clayton Lewis; Derek Riemer (ASSETS, 2015)

Opportunity: Inclusive Design for Interactive Simulations. - Emily B. Moore; Clayton Lewis (ASSETS, 2015)

Harmonious Authorship from Different Representations. - Antranig Basman; Colin B. D. Clark; Clayton H. Lewis (PPIG, 2015)

An Accessible Blocks Language: Work in Progress. - Varsha Koushik; Clayton Lewis (ASSETS, 2016)

Promoting Strategic Research on Inclusive Access to Rich Online Content and Services. - Clayton Lewis; Shaun K. Kane; Richard E. Ladner (ASSETS, 2016)

Demonstration: Screen Reader Support for a Complex Interactive Science Simulation. - Taliesin L. Smith; Clayton Lewis; Emily B. Moore (ASSETS, 2016)

A Balloon, a Sweater, and a Wall: Developing Design Strategies for Accessible User Experiences with a Science Simulation. - Taliesin L. Smith; Clayton Lewis; Emily B. Moore (HCI (9), 2016)

A Nonvisual Interface for a Blocks Language. - Varsha Koushik; Clayton Lewis (PPIG, 2016)

Human-Computer Interaction and International Public Policymaking: A Framework for Understanding and Taking Future Actions. - Jonathan Lazar; Julio Abascal; Simone D. J. Barbosa; Jeremy T. Barksdale; Batya Friedman; Jens Grossklags; Jan Gulliksen; Jeff A. Johnson; Tom McEwan; Loïc Martínez Normand; Wibke Michalk; Janice Y. Tsai; et al. (Found. Trends Hum. Comput. Interact., 2016)

Methods in user oriented design of programming languages. - Clayton Lewis (PPIG, 2017)

Cognition, Interaction, Design - Discussions as Part of the Codesign Roundtable 2017. - Mehul Bhatt; James Cutting; Daniel Levin; Clayton Lewis (Künstliche Intell., 2017)

Representation, Inclusion, and Innovation: Multidisciplinary Explorations - Clayton Lewis (Representation, Inclusion, and Innovation, 2017)

The open authorial principle: supporting networks of authors in creating externalisable designs. - Antranig Basman; Clayton H. Lewis; Colin B. D. Clark (Onward!, 2018)

Phenotropic Programming? - Clayton Lewis (PPIG, 2018)

Coding to Learn and Create: New Modes of Programming for Learners Who Have Been Left Out (Work in Progress). - Colin B. D. Clark; Sepideh Shahi; Simon Bates; Clayton Lewis (PPIG, 2019)

Reflections on computing beyond pencils. - Clayton Lewis (Programming, 2019)

Why can't programming be like sketching? - Clayton Lewis (Programming, 2019)

Policy and Standards on Web Accessibility for Cognitive and Learning Disabilities. - Clayton Lewis; Lisa Seeman (Web Accessibility (2nd Ed.), 2019)

Cognitive and Learning Disabilities. - Lisa Seeman; Clayton Lewis (Web Accessibility (2nd Ed.), 2019)

On personality testing and software engineering. - Clayton Lewis (PPIG, 2020)

Implications of developments in machine learning for people with cognitive disabilities. - Clayton Lewis (ACM SIGACCESS Access. Comput., 2020)

Artificial intelligence and the dignity of risk. - Shea Tanis; Clayton Lewis (ACM SIGACCESS Access. Comput., 2020)

Challenges and opportunities in technology for inclusion. - Clayton H. Lewis (ASSETS, 2022)

Automatic Programming and Education. - Clayton Lewis (Programming, 2022)

Looking Ahead at Inclusive Technology. - Clayton H. Lewis (Commun. ACM, 2024)