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

https://rock-paper-scissors-gambling-game-i-j-q-e0-530.rivertonbrief.com/posts/5-laws-that-can-help-the-rock-paper-scissors-casino-industry

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