Anxious about public speaking? Your smart speaker could help

Individuals who fear talking in front of a crowd could soon have a new tool to ease public speaking anxiety: their smart speaker.

A team of researchers at Penn State has developed a public-speaking tutor on the Amazon Alexa platform. The tutor enables users to engage in cognitive restructuring exercise – a psychological technique that helps anxious individuals recognize and modify negative thinking behaviors. When users deployed the tutor in a recent study, their pre-speech anxiety was relieved, according to the researchers.

“This study represents a significant shift in our use of smart speakers, from a tool that answers questions to one that acts as a helper or coach,” said S. Shyam Sundar, James P. Jimirro Professor of Media Effects in the Bellisario College of Communications and co-director of the Media Effects Research Laboratory at Penn State.

According to Jinping Wang, doctoral student in the Bellisario College of Communications and lead author on the paper, users’ interactions with Alexa not only helped to ease their speech anxiety, but their feedback suggests that the tutor could be a viable alternative to person-to-person coaching sessions.

“There is often a concern of being judged by human tutors or human therapists,” said Wang. “If we can use a machine like Alexa to provide such training to individuals with speech anxiety or social anxiety, we can help them get rid of their concern of being judged by a human.”

In the study, participants were guided to interact with an Amazon Echo smart speaker and were randomly assigned to interact with either a highly social Alexa or one that was less social in its greetings and expressions. The participants were then encouraged to use what they learned to prepare and present a short speech through a virtual reality application that simulated a room with a 20-person audience. After their speech, participants completed a questionnaire about their experience.

The researchers found that the high-sociable condition – through which Alexa adopted a more personal conversation style- provided a better user experience by establishing a sense of interpersonal closeness with the user.

“If you think about the usual interactions with Alexa, they’re quite dry and very functional,” said Saeed Abdullah, assistant professor of information sciences and technology and a collaborator on the project. “But providing some sort of social cues seems to result in positive outcomes for users.”

Sundar added, “People are not simply anthropomorphizing the machine, but are responding to increased sociability by feeling a sense of closeness with the machine, which is associated with lowered speech anxiety.”

According to the researchers, the approach has the potential to assist individuals who are anxious about public speaking, from the comfort of their own homes. Smart speakers could be utilized similarly in future work to explore aiding individuals with other forms of anxiety.

“Alexa is one of those things that lives in our homes,” concluded Sundar. “As such, it occupies a somewhat intimate space in our lives. It’s often a conversation partner, so why not use it for other things rather than just answering factual questions?”



The material in this press release comes from the originating research organization. Content may be edited for style and length. Have a question? Let us know.

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