Rui Zhi Exploring the Impact of Worked Examples in a Novice Programming Environment. (2019, February 27). https://doi.org/10.1145/3287324.3287385 Exploring Data-driven Worked Examples for Block-based Programming. (2018, August 13). https://doi.org/10.1145/3230977.3231018 Exploring Instructional Support Design in an Educational Game for K-12 Computing Education. (2018, February 21). https://doi.org/10.1145/3159450.3159519 The Impact of Data Quantity and Source on the Quality of Data-Driven Hints for Programming. (2018, June 20). https://doi.org/10.1007/978-3-319-93843-1_35 Hint Generation Under Uncertainty: The Effect of Hint Quality on Help-Seeking Behavior. (2017, June 23). https://doi.org/10.1007/978-3-319-61425-0_26 Liu, Z. X., Zhi, R., Hicks, A., & Barnes, T. (2017). Understanding problem solving behavior of 6-8 graders in a debugging game. Computer Science Education, 27(1), 1–29. https://doi.org/10.1080/08993408.2017.1308651