Real-time rule-based classification of player types in computer games. Cowley, B., Charles, D., Black, M., & Hickey, R. User Modeling and User-Adapted Interaction, 23(5):489–526, 2013. doi abstract bibtex The power of using machine learning to improve or investigate the experience of play is only beginning to be realised. For instance, the experience of play is a psychological phenomenon, yet common psychological concepts such as the typology of temperaments have not been widely utilised in game design or research. An effective player typology provides a model by which we can analyse player behaviour. We present a real-time classifier of player type, implemented in the test-bed game Pac-Man. Decision Tree algorithms CART and C5.0 were trained on labels from the DGD player typology (Bateman and Boon, 21st century game design, vol. 1, 2005). The classifier is then built by selecting rules from the Decision Trees using a rule- performance metric, and experimentally validated. We achieve 70% accuracy in this validation testing. We further analyse the concept descriptions learned by the Decision Trees. The algorithm output is examined with respect to a set of hypotheses on player behaviour. A set of open questions is then posed against the test data obtained from validation testing, to illustrate the further insights possible from extended analysis.
@article{cowley_real-time_2013,
title = {Real-time rule-based classification of player types in computer games},
volume = {23},
issn = {0924-1868},
doi = {10.1007/s11257-012-9126-z},
abstract = {The power of using machine learning to improve or investigate the experience of play is only beginning to be realised. For instance, the experience of play is a psychological phenomenon, yet common psychological concepts such as the typology of temperaments have not been widely utilised in game design or research. An effective player typology provides a model by which we can analyse player behaviour. We present a real-time classifier of player type, implemented in the test-bed game Pac-Man. Decision Tree algorithms CART and C5.0 were trained on labels from the DGD player typology (Bateman and Boon, 21st century game design, vol. 1, 2005). The classifier is then built by selecting rules from the Decision Trees using a rule- performance metric, and experimentally validated. We achieve 70\% accuracy in this validation testing. We further analyse the concept descriptions learned by the Decision Trees. The algorithm output is examined with respect to a set of hypotheses on player behaviour. A set of open questions is then posed against the test data obtained from validation testing, to illustrate the further insights possible from extended analysis.},
language = {English},
number = {5},
journal = {User Modeling and User-Adapted Interaction},
author = {Cowley, Ben and Charles, Darryl and Black, Michaela and Hickey, Ray},
year = {2013},
keywords = {515 Psychology, A1, IF{\textbackslash}textgreater1, Journal, peer reviewed},
pages = {489--526},
}
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