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

https://rock-paper-scissors-gambling-game-y-i-p-w0-464.halcyonledger.com/posts/the-top-rock-paper-scissors-casino-that-gurus-use-three-things

Some players use Rock Paper Scissors to check timing and psychology-- do you go initially, mirror moves, or unexpectedly switch strategies to confuse them?