Nonviolent protests are twice as likely to succeed as armed conflicts – and those engaging a threshold of 3.5% of the population have never failed to bring about change.
This is an important question. I believe the research in question defined movements by the predominant tactic used, even if there was a small amount of violence.
So protests like the anti-ICE ones in LA would probably count as non-violent in the research.
Edit: Here is a more recent work by the same author that more directly engages with some of the questions and criticisms that emerged from their initial work the BBC article is discussing.
This is an important question. I believe the research in question defined movements by the predominant tactic used, even if there was a small amount of violence.
So protests like the anti-ICE ones in LA would probably count as non-violent in the research.
Edit: Here is a more recent work by the same author that more directly engages with some of the questions and criticisms that emerged from their initial work the BBC article is discussing.
https://www.annualreviews.org/content/journals/10.1146/annurev-polisci-051421-124128