Bright_et_al._-_Campaigning_on_social_media_-_Online_Appendix_-_Final – Supplemental material for Does Campaigning on Social Media Make a Difference? Evidence From Candidate Use of Twitter During the 2015 and 2017 U.K. Elections

Supplemental material, Bright_et_al._-_Campaigning_on_social_media_-_Online_Appendix_-_Final for Does Campaigning on Social Media Make a Difference? Evidence From Candidate Use of Twitter During the 2015 and 2017 U.K. Elections by Jonathan Bright, Scott Hale, Bharath Ganesh, Andrew Bulovsky, Helen Margetts and Phil Howard in Communication Research