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

https://rock-paper-scissors-gambling-s-f-j-m3-918.vantagequill.com/posts/unexpected-business-strategies-that-aided-rock-paper-scissors-gambling-achieve-success

Some gamers utilize Rock Paper Scissors to test timing and psychology-- do you go initially, mirror moves, or all of a sudden switch techniques to confuse them?