Interaction in 4-second bursts: the fragmented nature of attentional resources in mobile HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Investigating the effectiveness of tactile feedback for mobile touchscreens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Touch key design for target selection on a mobile phone
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
100,000,000 taps: analysis and improvement of touch performance in the large
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
Release your app on Sunday eve: finding the best time to deploy apps
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
It does not Fitts my data! analysing large amounts of mobile touch data
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part IV
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
Further into the wild: running worldwide trials of mobile systems
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
PocketNavigator: studying tactile navigation systems in-situ
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A longitudinal review of Mobile HCI research methods
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
My App is an Experiment: Experience from User Studies in Mobile App Stores
International Journal of Mobile Human Computer Interaction
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Mobile HCI studies are often conducted in a highly controlled environment and with a small convenient sample. Such common studies can have a high internal validity but often lack external validity. The findings cannot always be generalized to the behaviour of real users in real contexts. In contrast, researchers recently started to use apps as an apparatus for mobile HCI research. Publishing apps in mobile application stores enables to study large samples in their 'natural habitat'. We present the game Hit It! that has been installed 427,255 times and, more importantly, served as a tool to conduct a number of HCI studies. The amount of collected data enabled us to study users' touch behaviour, approaches to ask for consent, the best time to deploy games, and approaches for providing tactile feedback. We discuss advantages of the approach and argue that Hit It! enabled findings that would be impossible to obtain using traditional studies.