The Willpower Paradox: Scientific American
by Scott Smith
Here is how Senay tested this notion. He had a group of volunteers work on a series of anagrams—changing the word “sauce” to “cause,” for example, or “when” to “hewn.” But before starting this task, half the volunteers were told to contemplate whether they would work on anagrams, while the others simply thought about the fact that they would be doing anagrams in a few minutes. The difference is subtle, but the former were basically putting their mind into wondering mode, while the latter were asserting themselves and their will. It is the difference between “Will I do this?” and “I will do this.