Background Digital interventions have been effective in improving numerous health
outcomes and health behaviors; furthermore, they are increasingly being used in different …

Virtual reality (VR) is a widespread technology drawing an increasing interest for players
and coaches, especially in team ball sports as it offers a simple tool to simulate, analyse and …

User engagement (UE) and its measurement have been of increasing interest in human-
computer interaction (HCI). The User Engagement Scale (UES) is one tool developed to …

Over the past two years the Ubicomp vision of ambient voice assistants, in the form of smart
speakers such as the Amazon Echo and Google Home, has been integrated into tens of …

Background The just-in-time adaptive intervention (JITAI) is an intervention design aiming to
provide the right type/amount of support, at the right time, by adapting to an individual's …

Learning with online video is pervasive in higher education. Recent research has explored
the importance of student engagement when learning with video in online and blended …

Recommender systems play a crucial role in our daily lives. Feed streaming mechanism has
been widely used in the recommender system, especially on the mobile Apps. The feed …

User engagement has become a much-cited construct in human-computer interaction (HCI)
design and evaluation research and practice. Constructed as a positive and desirable …

Purpose This study aims to measure the effect of augmented reality (AR) on immersive
experiences, place satisfaction, user engagement and perceived authenticity …

Search, recommendation, and online advertising are the three most important information-
providing mechanisms on the web. These information seeking techniques, satisfying users' …