B. Ericson, L. Margulieux, and J. Rick. Proceedings of the 17th Koli Calling International Conference on Computing Education Research, page 20-29. ACM, (November 2017)
R. Zhi, M. Chi, T. Barnes, and T. Price. Proceedings of the 2019 ACM Conference on International Computing Education Research, page 51--59. New York, NY, USA, ACM, (2019)
B. Ericson, J. Foley, and J. Rick. Proceedings of the 2018 ACM Conference on International Computing Education Research, page 60--68. New York, NY, USA, ACM, (2018)interesting set of ideas on how to adapt Parsons problems. Based on past research, which tells what making Parsons hard or easier (any distractors, unpaired distractors, etc) we can adapt difficulty of Parsons problem to students. Got a study in a class.