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Trying to Reduce Bottom-Out Hinting: Will Telling Student How Many Hints They Have Left Help?

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Intelligent Tutoring Systems (ITS 2008)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 5091))

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Abstract

Many model-tracing intelligent tutoring systems give, upon demand, a series of hints until they reach the bottom-out hint that tells them exactly what to do (exact answer of the question). Since students don’t know the number of hints available for a given question, some students might be surprised to, all of a sudden, be told the final answer; letting them know when the bottom out hint is getting close should help cut down on the incidence of bottom-out hinting. We were interested in creating an intervention that would reduce the chance that a student would ask for the bottom out hint. Our intervention was straightforward; we simply told them the number of hints they had not yet seen so that they could see they were getting close to the bottom out hint. We conducted a randomized controlled experiment where we randomly assigned classrooms to conditions. Contrary to what we expected, our intervention led to more, not less, bottom out hinting. We conclude that the many intelligent tutoring systems that give hints in this manner should not consider this intuitively appealing idea.

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Beverley P. Woolf Esma Aïmeur Roger Nkambou Susanne Lajoie

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© 2008 Springer-Verlag Berlin Heidelberg

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Guo, Y., Beck, J.E., Heffernan, N.T. (2008). Trying to Reduce Bottom-Out Hinting: Will Telling Student How Many Hints They Have Left Help?. In: Woolf, B.P., Aïmeur, E., Nkambou, R., Lajoie, S. (eds) Intelligent Tutoring Systems. ITS 2008. Lecture Notes in Computer Science, vol 5091. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69132-7_105

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  • DOI: https://doi.org/10.1007/978-3-540-69132-7_105

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-69130-3

  • Online ISBN: 978-3-540-69132-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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