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

https://rps-gambling-u-x-k-z9-189.sagecurrent.com/posts/10-steps-to-begin-your-own-rock-paper-scissors-gambling-business

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