4 checked facts

Willpower

Everything on this site about willpower — each one naming the study behind it.

You overestimate your ability to control your impulses.
The restraint bias is the tendency for people to overestimate their ability to show self-control in the face of tempta…
Your ability to make good choices erodes by evening.
Decision fatigue suggests that quality of judgment declines after repeated choices, a phenomenon famously illustrated …
Your self-control is exhausted by simple mental math.
In a 1999 study, participants who were asked to memorize a seven-digit number were about 1.5 times more likely to choo…
Your ability to make good choices erodes all day.
A 2011 study observed that judges granted fewer favorable decisions as a decision session progressed, with rates retur…