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Oct

2011

Evaluation of a Novel Eye Track Set-up for Playtesting Handheld Games in a Lab Setting

ABSTRACT
With heavy competition between iPhone games, proper
playtesting is vital in making an easy to use, fun game. Eye
tracking can give valuable insights in player behavior but
current handheld eye tracking set-ups suffer technologial
limitations, inhibiting normal play. This study aims to
identify the merits and shortcomings of a new handheld
eyetracking set-up for qualitative user research. It is part of
a series of ongoing tests to improve the set-up. In this
study, seven participants played an iPhone puzzle game
using the new set-up. Results indicated the set-up was
suited for simple tasks like browsing, but interfered with
normal gaming too much for most players. Factors
contributing to interference were: Lack of depth perception,
unnatural handling, uncomfortable posture and enlarged
display of hands. Solutions for improvement are discussed:
With longer practice for players and with tweaks to the setup,
interference can be reduced or partly removed.
Accurate depth perception remains a challenge, however.