The “Trust Barometer” poll, by Edelman Intelligence, was conducted January 4-20 among 1,500 California residents, with a margin of error of 2.5%. A special oversample of 400 tech workers in the San Francisco Bay Area was also conducted, with a margin of error of 4.8%.
https://www.breitbart.com/politics/2019/02/14/majority-of-california-residents-want-to-leave-poll/