Before revision:  This work is the first study to empirically test Strong's model at scale . It does so by studying the use of language on 39M social media posts in US about the COVID-19 pandemic , which is the first pandemic to spread this quickly not only on a global scale but also online.
After revision:  This work is the first study to empirically test Strong's model at scale by studying the use of language on 39M social media posts in US about the COVID-19 pandemic , which is the first pandemic to spread this quickly not only on a global scale but also online.