Which social media interactions indicate positive opinions about cited publications? A comparison of user survey and sentiment analysis

One of the central questions in Altmetrics study is: which social media actions could be the best signal of positive stance towards scientific outcome? To investigate this question, a two-level study was performed. For one, we conducted an online survey and analyzed the results of more than 3,400 participants. Secondly, we performed sentiment analysis of comments in social media platforms and we investigated comments to social media posts (i.e. Reddit posts, YouTube videos, Google posts) that cite scientific articles and the comments section on the PLOS journal webpage