David Weintrop, Nathan R. Holbert. From Blocks to Text and Back: Programming Patterns in a Dual-Modality Environment. In Michael E. Caspersen, Stephen H. Edwards, Tiffany Barnes, Daniel D. Garcia, editors, Proceedings of the 2017 ACM SIGCSE Technical Symposium on Computer Science Education, Seattle, WA, USA, March 8-11, 2017. pages 633-638, ACM, 2017. [doi]
Abstract is missing.