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

https://rock-paper-scissors-gambling-game-f-g-y-j6-968.quillnesty.com/posts/five-killer-quora-answers-on-rock-paper-scissors

Some players use Rock Paper Scissors to test timing and psychology-- do you go first, mirror moves, or suddenly switch techniques to confuse them?