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

https://rock-paper-scissors-w-q-m-j8-612.publishlane.com/posts/how-the-10-worst-rock-paper-scissors-mistakes-of-all-time-could-have-been-prevented

Some players use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror relocations, or suddenly switch methods to confuse them?