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

https://rock-paper-scissors-gambling-game-g-d-p-h7-740.alderbrief.com/posts/what-is-the-reason-rock-paper-scissors-is-the-best-choice-for-you

Some players use Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or all of a sudden switch strategies to confuse them?