Raphaela Velho

University at Buffalo, State University of New York | SUNY Buffalo · Department of Communication

How do terrorists persuade otherwise decent citizens to join their violent causes? Guided by early mass communication research investigating propaganda’s efficacy and the model of intuitive morality and exemplars, we investigated the persuasive moral appeals employed by terrorist organizations known to be successful at recruiting others to their ca...

Resistance to vaccines has hindered attempts to contain and prevent outbreaks of infectious diseases for centuries. More recently, however, the term “vaccine hesitancy” has been used to describe not necessarily outright resistance but also a delay in acceptance or uncertainty regarding vaccines. Given concerns about hesitancy and its impact on vacc...

This paper investigates the profiles, challenges, and motivations of science communicators of the ScienceVlogs Brasil project—a Brazilian alliance of YouTube channels that disseminate science information on YouTube. It also looks into their prospects of professionalization in science communication and their strategies to improve their skills, incre...

Recent works about science communication through online videos on YouTube have focused mostly on categorization, content description, and the video's approach to scientific themes. However, still little is known about factors affecting science video popularity on the platform. This study aims to describe the relationship between nine content-relate...