Price, “Just a Few Expert Constraints Can Help: Humanizing Data-Driven Subgoal Detection for Novice Programming”. When students make a mistake, they can see that immediately, as the progress bar decreases.ĪIF also pops up encouraging messages, both when students progress, and also when they fail It can even detect progress that's out of order, e.g. On programming assignments, using a hybrid data-driven progress assessment algorithm.Īs students work, AIF monitors their progress, displaying it as a progress bar. The AIF system addresses this in part by breaking the problem down into subgoals that are more manageable than an entire problem.ĪIF also provides students with real-time feedback on their progress What students often fail to realize is that they are making progress, Programming can be quite challenging, and for novices it can be filled with negative 2018, forthcoming.Īdaptive Immediate Feedback (AIF) Try the AIF demo "The Impact of Data Quantity and Source on the Quality of Data-driven Hints for Programming." International Conference on Artificial Intelligence in Education. "Hint Generation Under Uncertainty: The Effect of Hint Quality on Help-Seeking Behavior." International Conference on Artificial Intelligence in Education.
"Factors Influencing Students’ Help-Seeking Behavior while Programming with Human and Computer Tutors." International Computing Education Research (ICER) Conference. "iSnap: Towards Intelligent Tutoring in Novice Programming Environments." ACM Special Interest Group on Computer Science Education (SIGCSE). įor more information on iSnap and its initial pilot evaluation, see: "Generating Data-driven Hints for Open-ended Programming." International Conference on Educational Data Mining. "Evaluation of a Data-driven Feedback Algorithm for Open-ended Programming." International Conference on Educational Data Mining. iSnap Hints Publicationsįor more information on the data-driven algorithm that powers iSnap, see:
Students can request hints about whole scripts or individual blocks. When a student is stuck, they can request a hint with the click of a button. Research with iSnap used a simpler hint interface, based on the The above demo shows off iSnap's newest hint interface, but much of the earlier If the suggestion is followed, the button or input outline disappears, indicating the student has
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Indicating where new blocks can be insertedĬlicking a button or highlighted input will showĪ next-step hint, comparing a student's current code to iSnap's suggested code. If a student requests a next-step hint, iSnap also adds: Hovering over a yellow-highlighted block will show where it can be moved. Probably do belong in the solution, but may not be in the right place. When a student needs help, they can ask iSnap to check their work. See an explanation of iSnap's help features below, or try them out yourself Observed code from students who successfully completed the assignment and recommendsĪn edit based on how those students progressed. We are able to generate on-demand, next-step hints for students who get stuckĪlgorithm matches students' code to previously Using data collected from real students working on programming assignments, Data-driven Hints Try the SourceCheck Hints demo
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