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Is It Hard for You to Say No to Sweets and Temptation? You May Be Suffering From "Ego Depletion"

Saying no to every naughty impulse requires a little bit of willpower fuel, and once you spend that fuel it becomes harder to say no.
 
 
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Thisstory is cross-posted from You Are Not So Smart. 

The Misconception: Willpower is just a metaphor.

The Truth: Willpower is a finite resource.

In 2005, a team of psychologists made a group of college students feel like scum.

The researchers invited the undergraduates into their lab and asked the students to just hang out for a while and get to know each other. The setting was designed to simulate a casual meet-and-greet atmosphere, you know, like a reception or an office Christmas party – the sort of thing that never really feels all that casual?

The students divided into same-sex clusters of about six people each and chatted for 20 minutes using conversation starters provided by the researchers. They asked things like “Where are you from?” and “What is your major?” and “If you could travel anywhere in the world, where would you go?” Researchers asked the students beforehand to make an effort to learn each other’s names during the hang-out period, which was important, because the next task was to move into a room, sit alone, and write down the names of two people from the fake party with whom the subjects would most like to be partnered for the next part of the study. The researchers noted the responses and asked the students to wait to be called. Unbeknownst to the subjects, their choices were tossed aside while they waited.

The researchers – Roy F. Baumeister, C. Nathan DeWall, Natalie J. Ciarocco and Jean M. Twenge of Florida State, Florida Atlantic, and San Diego State universities – then asked the young men and women to proceed to the next stage of the activity in which the subjects would learn, based on their social skills at the party, what sort of impression they had made on their new acquaintances. This is where it got funky.

The scientists individually told the members of one group of randomly selected people, “everyone chose you as someone they’d like to work with.” To keep each person in the wanted group isolated, the researchers also told each person the groups were already too big and he or she would have to work alone. Students in the wanted group proceeded to the next task with a spring in their step, their hearts filled with moonbeams and fireworks. The scientists individually told each member of another group of randomly selected people, “I hate to tell you this, but no one chose you as someone they wanted to work with.” Believing absolutely no one wanted to hang out with them, people in this group then learned they would have to work by themselves. Punched in the soul, their self-esteem dripping with inky sludge, the people in the unwanted group proceeded to the main task.

The task, the whole point of going through all of this as far as the students knew, was to sit in front of a bowl containing 35 mini chocolate-chip cookies and judge those cookies on taste, smell, and texture. The subjects learned they could eat as many as they wanted while filling out a form commonly used in corporate taste tests. The researchers left them alone with the cookies for 10 minutes.

This was the actual experiment – measuring cookie consumption based on social acceptance. How many cookies would the wanted people eat, and how would their behavior differ from the unwanted? Well, if you’ve had much contact with human beings, and especially if you’ve ever felt the icy embrace of being left-out of the party or getting picked last in kickball, your hypothesis is probably the same as the one put forth by the psychologists. They predicted the rejects would gorge themselves, and so they did. On average the rejects ate twice as many cookies as the popular people. To an outside observer, nothing was different – same setting, same work, similar students sitting alone in front of scrumptious cookies. In their heads though, they were on different planets. For those on the sunny planet with the double-rainbow sky, the cookies were easy to resist. Those on the rocky, lifeless world where the forgotten go to fade away found it more difficult to stay their hands when their desire to reach into the bowl surfaced.

 
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