### Abstract

Understanding the structure of the hypothesis testing procedure is challenging for many first-year university students. In this paper we investigate how providing automated feedback in an Intelligent Tutoring System can help students in an introductory university statistics course. Students in an experimental group (N=154) received elaborate feedback on errors in the structure of hypothesis tests in six homework tasks, while students in a control group (N=145) received verification feedback only. Effects of feedback type on student behavior were measured by comparing the number of tasks tried, the number of tasks solved and the number of errors in the structure of hypothesis tests between groups. Results show that the elaborate feedback did stimulate students to solve more tasks and make fewer errors than verification feedback only. This suggests that the elaborate feedback contributes to students’ understanding of the structure of the hypothesis testing procedure.

Original language | English |
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Title of host publication | Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education |

Editors | Uffe Thomas Jankvist, Marja van den Heuvel-Panhuizen, Michiel Veldhuis |

Publisher | Freudenthal Group & Freudenthal Institute, Utrecht University and ERME |

Pages | 2969-2976 |

Number of pages | 8 |

ISBN (Electronic) | 9789073346758 |

Publication status | Published - 2019 |

Event | 11th Congress of the European Society for Research in Mathematics Education - Utrecht, Netherlands Duration: 6 Feb 2019 → 10 Feb 2019 Conference number: 11 |

### Conference

Conference | 11th Congress of the European Society for Research in Mathematics Education |
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Abbreviated title | CERME11 |

Country | Netherlands |

City | Utrecht |

Period | 6/02/19 → 10/02/19 |

### Keywords

- intelligent tutoring systems
- domain reasoner
- Hypothesis testing
- statistics education

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## Cite this

Tacoma, S. G., Heeren, B. J., Jeuring, J. T., & Drijvers, P. (2019). Automated feedback on the structure of hypothesis tests. In U. T. Jankvist, M. van den Heuvel-Panhuizen, & M. Veldhuis (Eds.),

*Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education*(pp. 2969-2976). Freudenthal Group & Freudenthal Institute, Utrecht University and ERME. http://www.mathematik.uni-dortmund.de/~prediger/ERME/CERME11_Proceedings_2019.pdf