for further info see:
https://www.utwente.nl/en/news/!/2019/6/221332/nwo-bessensap-2019-games-that-win-you-over-influences-and-mechanisms-of-persuasive-games?fbclid=IwAR2Oe81Q25aFPYq7fg7fmNVlw-QwLNxcFuh01Cp5xO-ykfQamPx7kH8GoCg
research presentation number 15 (13:30 - 13:50 hrs.)