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

https://rock-paper-scissors-gambling-game-i-z-r-i0-095.lumenforgex.com/posts/24-hours-to-improve-rps-gambling

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