Conversational agents (CAs)—frequently operationalized as chatbots—are computer
systems that leverage natural language processing to engage in conversations with human …

Background: Web-based mental health interventions have evolved from innovative
prototypes to evidence-based and clinically applied solutions for mental diseases such as …

When people are in emotional distress, they often seek support. Virtual humans may provide
unique and complementary benefits to human support provision, given that virtual humans …

We discuss our approach to develo** a novel modality for the computer-delivery of Brief
Motivational Interventions (BMIs) for behavior change in the form of a personalized On …

Empirical studies have repeatedly shown that autonomous artificial entities, so-called
embodied conversational agents, elicit social behavior on the part of the human interlocutor …

In face-to-face interactions, parties rapidly react and adapt to each other's words,
movements and expressions. Any science of face-to-face interaction must develop …

Virtual agents are systems that add a social dimension to computing, often featuring not only
natural language input but also an embodiment or avatar. This allows them to take on a …

During face-to-face interactions, listeners use backchannel feedback such as head nods as
a signal to the speaker that the communication is working and that they should continue …

In greeting encounters, first impressions of personality and attitude are quickly formed and
might determine important relational decisions, such as the likelihood and frequency of …

As artificial intelligence (AI) agents like chatbots play larger roles in daily life, questions arise
regarding how people evaluate their communication. Perspectives applying communication …