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Reinforcing Stealth Assessment in Serious Games

  • Konstantinos GeorgiadisEmail author
  • Giel van Lankveld
  • Kiavash Bahreini
  • Wim Westera
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11899)

Abstract

Stealth assessment is a principled assessment methodology proposed for serious games that uses statistical models and machine learning technology to infer players’ mastery levels from logged gameplay data. Although stealth assessment has been proven to be valid and reliable, its application is complex, laborious, and time-consuming. A generic stealth assessment tool (GSAT), proven for its robustness with simulation data, has been proposed to resolve these issues. In this study, GSAT’s robustness is further investigated by using real-world data collected from a serious game on personality traits and validated with an associated personality questionnaire (NEO PI-R). To achieve this, (a) a stepwise regression approach was followed for generating statistical models from logged data for the big five personality traits (OCEAN model), (b) the statistical models are then used with GSAT to produce inferences regarding learners’ mastery level on these personality traits, and (c) the validity of GSAT’s outcomes are examined through a correlation analysis using the results of the NEO PI-R questionnaire. Despite the small dataset GSAT was capable of making inferences on players’ personality traits. This study has demonstrated the practicable feasibility of the SA methodology with GSAT and provides a showcase for its wider application in serious games.

Keywords

Stealth assessment Serious games Generic tool Statistical model Machine learning Stepwise regression Personality traits 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Open University of the NetherlandsHeerlenThe Netherlands
  2. 2.Fontys Applied University of EindhovenEindhovenThe Netherlands

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