Some players utilize Rock Paper Scissors to test timing and psychology-- do you go first, mirror moves

https://rock-paper-scissors-gambling-game-p-r-q-e8-913.summitviewdaily.com/posts/10-things-we-all-hate-about-rock-paper-scissors

Some gamers utilize Rock Paper Scissors to check timing and psychology-- do you go initially, mirror moves, or suddenly switch methods to confuse them?