Measuring Control to Dynamically Induce Flow in Tetris.
Author: Lora-Ariza, Diana Sofía; Sánchez Rubio, Antonio A.; González-Calero, Pedro Antonio; Camps Ortueta, Irene
Abstract: Dynamic Difficulty Adjustment (DDA) is a set of techniques that aim to automatically adapt the difficulty of a video game based on the player’s performance. This paper presents a methodology for DDA using ideas from the theory of flow and case-based reasoning (CBR). In essence we are looking to generate game sessions with a similar difficulty evolution to previous game sessions that have produced flow in players with a similar skill level. We propose a CBR approach to dynamically assess the player’s skill level and adapt the difficulty of the game based on the relative complexity of the last game states. We develop a DDA system for Tetris using this methodology and show, in a experiment with 40 participants, that the DDA version has a measurable impact on the perceived flow using validated questionnaires.
Universal identifier: https://hdl.handle.net/10641/3236
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