Does Science Communication have Real Positive Impacts?

To all science communication scholars reading this - can you think of studies that demonstrate measurable positive impacts of science communication, and scientists' engagement with general audiences, on science literacy and public attitudes/behaviors toward science? If you can, please link to these studies in the comment section of this blog. Thanks! A Twitter discussion on this topic that took place recently:

A Twitter Discussion

https://storify.com/fromthelabbench/does-science-communication-have-real-positive-impa