Johannes Kraus

schoolUniversity of Ulmbar_chart#1918 Global Rank

Total Papers

HCI Rank

#1918

Research Areas

Years Active

Recent Publications

Beyond Disposition: AI Knowledge Predicts Anthropomorphization of a Language Model Better Than Personality Traits in Lay and Expert Populations

Anthropomorphizing Artificial Intelligence (AI), i.e., ascribing human-like mind or emotions to it, is widespread but varies across individuals. We tested three proposed dispositional predictors of anthropomorphism (need for cognition, need for structure, loneliness) in a general population (N = 307) and an AI expert…

CHI '24CorrespondingConversational Chatbots +2

Empowering Calibrated (Dis-)Trust in Conversational Agents: A User Study on the Persuasive Power of Limitation Disclaimers vs. Authoritative Style

While conversational agents based on Large Language Models (LLMs) can drive progress in many domains, they are prone to generating faulty information. To ensure an efficient, safe, and satisfactory user experience maximizing benefits of these systems, users must be empowered to judge the reliability of system outputs.…

CHI '212nd AuthorHonorable MentionExternal HMI (eHMI) — Communication with Pedestrians & Cyclists

Calibrating Pedestrians' Trust in Automated Vehicles: Does an Intent Display in an External HMI Support Trust Calibration and Safe Crossing Behavior?

Policymakers recommend that automated vehicles (AVs) display their automated driving status using an external human-machine interface (eHMI). However, previous studies suggest that a status eHMI is associated with overtrust, which might be overcome by an additional yielding intent message. We conducted a video-based l…

AUTO_UI '193rd AuthorAutomated Driving Interface & Takeover Design

Towards Opt-Out Permission Policies to Maximize the Use of Automated Driving

Automated driving has the potential to reduce road fatalities. However, the public opinion to use automated driving can be described as skeptical. To increase the use of automated driving features, we investigate the persuasion principle of opt-out permission policies for enabling the automation, meaning automaticall…

AUTO_UI '182nd AuthorAutomated Driving Interface & Takeover Design

How to Design Valid Simulator Studies for Investigating User Experience in Automated Driving - Review and Hands-On Considerations

Simulator studies have been conducted in the automotive domain since the 1960s. Recently, automated driving studies have become more popular as real-world automated cars start to emerge but at this time not all levels of automation can be realized. But as a simulation does not entail all details of real driving, creat…

AUTO_UI '182nd AuthorAutomated Driving Interface & Takeover Design +1

Calibration of Trust Expectancies in Conditionally Automated Driving by Brand, Reliability Information and Introductionary Videos: An Online Study

The design of a priori information about a conditionally automated driving (CAD) function influences the extent of effective usage of this function. The present online study investigated the effects of preliminary reliability and brand information on trust and acceptance for CAD. N = 519 participants were randomly ass…

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