C. Clark, Shahi, S., Bates, S., and Lewis, C., Coding to Learn and Create: New Modes of Programming for Learners Who Have Been Left Out, presented at the 08/2019, PPIG 2019 - 30th Annual Conference, 2019.
C. Lewis, Phenotropic Programming?, presented at the 09/2018, PPIG 2018 - 29th Annual Conference, 2018.
C. Lewis, Methods in user oriented design of programming languages, presented at the 05/2017, PPIG 2017 - 28th Annual Conference, 2017.
V. Koushik and Lewis, C., A Nonvisual Interface for a Blocks Language, presented at the 09/2016, PPIG 2016 - 27th Annual Conference, 2016.
A. Basman, Clark, C., and Lewis, C., Harmonious Authorship from Different Representations, presented at the 07/2015, PPIG 2015 - 26th Annual Workshop, 2015.
C. Lewis, Nonvisual Visual Programming, presented at the 06/2014, PPIG 2014 - 25th Annual Workshop, 2014.
C. Lewis, The intellectual effects of writing a simulation program, presented at the 04/2000, PPIG 2000 - 12th Annual Workshop, 2000.
B. Bell, Citrin, W., Lewis, C., Rieman, J., Weaver, R., Wilde, N., and Zorn, B., Addressing the psychology of programming in programming language design, presented at the 01/1992, PPIG 1992 - 4th Annual Workshop, 1992.