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

https://rock-paper-scissors-gambling-game-l-y-l-g7-452.theglensecret.com/5-lessons-you-can-learn-from-rock-paper-scissors-gambling

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