19. Day 1
Day 2
Day 3
Group A
No Reward
Reward
No Reward
Group B
No Reward
No Reward
No Reward
Edward Deki - 1969
Drive: The Surprising Truth About What Motivates Us – Dan Pink
20. D. Areily, U. Gneezy, G. Lowenstein & N.Mazar, July 2005
Drive: The Surprising Truth About What Motivates Us – Dan Pink