Synthesized answer
The author provides evidence from studies that range from Intel to a kindergarten classroom [1]. These studies are used to investigate the true nature of motivation [1].
The passages indicate that the author digs deep to find the root of motivation and how it works, and how this knowledge can be used to approach important choices in our own lives [1]. However, the specific types of evidence or the findings from these studies are not detailed in the provided passage.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Payoff by Dan Ariely Description: "Payoff investigates the true nature of motivation, our partial blindness to the way it works, and how we can bridge this gap. With studies that range from Intel to a kindergarten classroom, Ariely digs deep to find the root of motivation--how it works and how we can use this knowledge to approach important choices in our own lives. Along the way, he explores intriguing questions such as: Can giving employees bonuses harm productivity? Why is trust so crucial for successful motivation? What are our misconceptions about how to value our work? How does…