![]() This suggests audio-only interactions can lead to greater group collective intelligence. Removing the distractions of video cues actually improved prosodic synchrony in the audio-only group, and subsequently led to better problem-solving outcomes. In fact, the video groups displayed reductions in prosodic synchrony, suggesting videoconferencing can make it more difficult to synchronize conversational behaviors. The surprising results revealed video cues had no effect on collective intelligence. Half the cohort of pairs communicated by video and audio, while the other half communicated through audio only. ![]() Each subject communicated remotely with their partner, completing a series of tasks designed to test their collective intelligence. The new research recruited around 200 subjects who were divided into pairs. Prosodic synchrony, on the other hand, relating to the tone and rhythm of speech, has been considered secondary to facial cues in group interactions. ![]() To study this question the new research specifically looked at two types of nonverbal cues people rely on to achieve synchrony in group settings – facial expression synchrony and prosodic synchrony.įacial expression synchrony, such as smiling in response to another person smiling, has been thought to dominate the formation of group collective intelligence. But despite these common assumptions there is very little empirical research to prove video conferencing improves collective problem solving compared to audio-only interactions. So, if we are trying to replicate face-to-face interactions, of course it is reasonable to assume adding video cues to an interaction would increase synchrony and heighten a group’s collective intelligence. It is generally understood that when people synchronize nonverbal cues in group collaborative activities their collective intelligence (or group IQ) increases and better outcomes are achieved. No one really questioned how effective communicating over video was, as for years it had been generally assumed video cues amplify effective group collaboration when compared to audio-only interactions.Ĭollective intelligence is the idea that a group of people collaborating generate better solutions to problems than individuals working alone, and over the last few decades researchers have closely studied how groups work together. The findings suggest video cues may in fact lower a group’s collective intelligence by disrupting interpersonal synchrony.Įarly in 2020, when the pandemic hit and many suddenly shifted to working remotely, the ability to easily communicate with colleagues via video was a godsend. A new study led by researchers from Carnegie Mellon University is challenging the common assumption that video conferencing is better than audio-only communication for collaborative group activities.
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