This app is a replication of mind game (Ting Jiang, 2013), and the versions contain throw-first and write-first version.
- participants choose a side ("up" or "down") in mind
- roll a dice once virtually, get the outcome
- report the chosen side ("up" or "down")
- Payment: only pay for reported side at step 3 if the dice outcome is x, then report "up" can get x and report "up" can get (7-x)
- instruction: how the game will play
- comprehension: comprehension test questions
- choose_side: let people choose a side in mind
- roll_dice: roll the dice and get the dice number
- report_side: show the dice number and let participants report the side as "side"
- Results: show the payoff
- complete: the introduce the next round, or present congrats at the final round.