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

https://rock-paper-scissors-gambling-r-o-k-p1-495.rivetgarden.com/posts/8-tips-to-increase-your-rock-paper-scissors-game

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?