| Summary: | Spreading issue awareness about increasingly interdisciplinary scientific discoveries faces progressively larger communication challenges due to the complexity, innovation pace, and broad applicability of these innovations. Traditionally, the public relies on legacy media for information and discussion of science topics. In face of a changing information landscape, however, legacy media struggle with decreasing funding for their science desks, and science journalists turn to more specialized outlets, often online. Given these developments, it is important to understand which platforms besides legacy media serve as facilitators of science issue awareness. In this study, we analyzed the impact of social media on the awareness of gene editing. We used a representative survey administered by professional survey firm YouGov between December 2016 and January 2017, yielding a final sample of 1,600 US adults with a 41.7% response rate. The regression analysis findings suggest that social media is a significant avenue through which awareness of gene editing, and subsequently other scientific issues, is spread. Using the example of Facebook, we were able to demonstrate that how, rather than if, one uses social media is the determining factor in spreading issue awareness. Awareness was positively predicted by the length of social media sessions and network heterogeneity, while pure amount of sessions actually negatively predicted awareness. Legacy media remain an important predictor of gene editing awareness. These results demonstrate that social media functions as an important information space for science issues and should receive individual attention along with legacy media outlets when examining science communication.
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