… engagement”, we retain the terminology “user engagement” as it is commonly used by the
online industries. We look at models of user engagement based on this third group of metrics. …

… First, the definition of user engagement is deconstructed using key … user engagement over
the past decades. Third, several measurement and behavioural models of user engagement …

… user engagement can be studied, measured, and explained, leading to recommendations
and guidelines for user … grounded models. In this way we want to move towards a “science” of …

… but negate users' motivation and context. The focus of this book is how user engagement is
… the various ways in which to measure user engagement, and their associated strengths and …

… characteristics related to user engagement in the … user engagement in online interventions
have been largely ignored, an oversight which may explain why issues with user engagement…

… user engagement can also be defined by setting a threshold on the total number of actions (
A T ) a user … information for our different user engagement models to use in their predictions. …

… the investigation of engagement—its modeling and influences—… However, this perspective
on engagement overlaps … of engagement, UE as both a process and outcome of user …

… for crowdsourcing user engagement. It is defined as the quality of effort online users devote
to … critical elements that precede crowdsourcing user engagement: personal interest in topic, …

… Patient engagement is different from user engagement in that, as seen throughout this book,
eHealth users are not always patients who have to deal with, for example, a chronic illness …

… ’s emotional states based on individual utterances, our method models the emotion recognition
and engagement detection problem in a continuous manner. In addition, we encode the …