Gamification refers to the application of game design and development to social, industrial, and educational settings. For example, a gamification program might award points or achlevements to people for reaching specific goals. A recent experiment on gamification in the workplace revealed that machinists' motivation to work improved when they were given feedback about their job performance through a game$-$like smartphone app $($Liu$,$ Huang, & Zhang, $2017).$ Data like those observed by the authors are listed below.