31 citations · 40 across the 8 of their papers we have counts for
8 papers
The Knowledge Gap in a High-Choice Media Environment: Experimental Evidence from Online Search
Roberto Ulloa, Tiedemann Leonard, Peter Selb +1
Persistent inequalities in political knowledge are a central concern in political communication. We organize the mechanisms underlying the knowledge-gap literature by distinguishin…
Opting Out of Generative AI: a Behavioral Experiment on the Role of Education in Perplexity AI Avoidance
Roberto Ulloa, Juhi Kulshrestha, Celina Kacperski
The rise of conversational AI (CAI), powered by large language models, is transforming how individuals access and interact with digital information. However, these tools may inadve…
Tag-Pag: A Dedicated Tool for Systematic Web Page Annotations
Anton Pogrebnjak, Julian Schelb, Andreas Spitz +2
Tag-Pag is an application designed to simplify the categorization of web pages, a task increasingly common for researchers who scrape web pages to analyze individuals' browsing pat…
Self-directed online information search can affect policy support: a randomized encouragement design with digital behavioral data
Celina Kacperski, Roberto Ulloa, Peter Selb +3
As citizens increasingly encounter political information in digital environments, understanding whether this engagement shapes their policy views has become a central concern. Draw…
Assessing In-context Learning and Fine-tuning for Topic Classification of German Web Data
Julian Schelb, Roberto Ulloa, Andreas Spitz
Researchers in the political and social sciences often rely on classification models to analyze trends in information consumption by examining browsing histories of millions of web…
Enhancing autonomous vehicle acceptance with age and education sensitive simulation interventions: An experimental trial
Celina Kacperski, Roberto Ulloa, Jeremy Wautelet +2
The familiarity principle posits that acceptance increases with exposure, which has previously been shown with in vivo and simulated experiences with connected and autonomous vehic…
Examining bias perpetuation in academic search engines: an algorithm audit of Google and Semantic Scholar
Celina Kacperski, Mona Bielig, Mykola Makhortykh +2
Researchers rely on academic Web search engines to find scientific sources, but search engine mechanisms may selectively present content that aligns with biases embedded in queries…
Characteristics of ChatGPT users from Germany: implications for the digital divide from web tracking data
Celina Kacperski, Denis Bonnay, Juhi Kulshrestha +3
A major challenge of our time is reducing disparities in access to and effective use of digital technologies, with recent discussions highlighting the role of AI in exacerbating th…