App Store Studies : How to Ask for Consent?
App Stores, such as Apple’s App Store or Google Play, provide researchers the opportunity to conduct experiments with a large number of participants. If we collect data during these experiments, it may be necessary to ask for the users’ consent beforehand. The way we ask for the users’ consent can be crucial, because nowadays people […]
In Situ Field Studies using the Android Market
Recently, researchers have started to investigate using app distribution channels, such as Apple’s App Store or Google’s Android Market to bring the research to the users instead of bringing the users into the lab. My colleague Niels, for example, used this approach to study how people interact with touch screens of mobile phones. But, instead […]
Tacticycle: Supporting Exploratory Bicycle Trips
Navigation systems have become a common tool for most of us. They conveniently guide us from A to B along the fast or shortest route. Thanks to these devices we do not fear to get lost anymore when traveling through unfamiliar terrain. However, what if you are a cyclist and your goal is an excursion […]
A Vibro-tactile “Friend Sense” for Keeping Groups Together
Being able to sense the location of people can be beneficial if you visit a crowded, noisy, and chaotic place with your friends, such as a festival. Usually, for a good nightly experience, it is important that the group stays together. However, when everyone has different needs at different times (getting food, visiting the lavatory […]