Learnability is a core aspect of software usability. Video games are not an exception, as
game designers need to teach players how to play their creations. We analyzed 40 …

We advocate for the usage of hotkeys on touch-based devices by capitalising on soft
keyboards through four studies. First, we evaluated visual designs and recommended icons …

Video tutorials are the main medium to learn novel software skills. However, the User
Interface (UI) presented in a video tutorial may differ from the learner's UI because of …

Although users increasingly spread their activities across multiple devices—even to
accomplish a single task—information transfer between apps on separate devices still incurs …

Users often rely on their collaborators to find relevant application features by observing them
“over the shoulder”(OTS), usually in a synchronous co-located setting. However, as remote …

Purpose Existing literature has elicited the external behaviors of cross-device search but not
much is known about users' cognition of cross-device search. The study aims to explore how …

Touch-based devices, despite their mainstream availability, do not support a unified and
efficient command selection mechanism, available on every platform and application. We …

Children's excessive technology use remains a significant challenge for parents, especially
with early adolescents, given their growing independence and resistance towards parent-set …

The worldwide adoption of social media has connected billions of individuals and has
changed the way people interact with one another. As augmented reality (AR) is making its …

Discoverability of interactions is a core component of successful user interaction yet it is
almost systematically dismissed by interface designers and researchers. This is not …