There was a famous study done 50 years ago at Stanford University. It is referred to as the “marshmallow test” I recently listened to a podcast of Hidden Brain that reviewed the test and came up with some alternate theories on what happened. A brief recap from the podcast

You bring a child into a room, the child is between the ages of three and five years old, and you offer them a choice. They can have one marshmallow right now, or if they can wait until the researcher leaves the room and then comes back. They’re told if they have not touched or tasted the marshmallow, then they’re going to be given two marshmallows instead. The researcher leaves the room, they leave the child alone with the one marshmallow on the table. The child is instructed to stay in the chair. Then the researchers wait to see how long before the child eats the marshmallow.

When to eat the Marshmallow: Hidden Brain

As you can imagine, some kids waited, while other just ate the marshmallow in front of them. The author of the study, Walter Mischel, said that those kids that that could wait had a capacity for “delayed gratification”. He though this might be an important skill in life, so he followed up with the participants later in life.

The follow up results are what catapulted this study into pop culture. He found that those who had the self-control to wait for the second marshmallow had better life outcomes as adults. They had lower body mass indexes, high SAT scores, and over all did better in life.

The podcast then talked about explanations other than an innate ability of self-control. Dr Celest Kidd, a psychologist UC Berkley, had worked with kids in shelters. When she first heard of the marshmallow test, her first though went to a little girl at the shelter, who when and older boy took her lollipop did nothing. No crying, just accepted it as a condition of living in the shelter. Dr Kidd knew that this little girl would eat the marshmallow immediately because if she didn’t, somebody might come and take it away, or there might not even be a second marshmallow.  Her theory was that the ability to delay gratification in the marshmallow test doesn’t just depend on your capacity for self-control. It depends on whether you believe there really is a second marshmallow waiting for you if you hold off eating the first.

She then devised an experiment to test her theory. She had two groups of kids, one labeled reliable, and the other unreliable. A child was placed in a room and given some crayons to color with. They were then told that if they wait, the person would come back in a few minutes with a much bigger art set. All the kids chose to wait. Those that were assigned to the reliable group were brought the bigger art set in a few minutes. The experimenter came back to the child assigned to the unreliable group in a few minutes, and apologized, telling them that they were mistaken, and they don’t have the bigger set of art supplies, and to just use the crayons.  

Now all the kids were given the marshmallow test. The kids in the unreliable group only waited on average 3 minutes before eating the marshmallow. The kids in the reliable group waited on average 12 minutes, four times as long. In some cases the reliable group never at the marshmallow.

Dr Kidd’s results show that our capacity for self-control is shaped by whether we live in a safe and predictable world or a dangerous and unpredictable world.

How could this be applied to religious belief? The whole idea of religion is “delayed gratification”. Sacrifice something now to get something greater in the afterlife. Those with the will power to live a life of sacrifice are better people, and deserve a greater reward. But applying the results of Dr Kidd’s study above, what about people that have been pre-conditioned through life experiences to distrust people in authority? Could the circumstances of one’s upbringing make one less susceptible to religion, especially a high demand religion?

 What is your thoughts on the results of Dr Kidd’s test?  Could these results help us to be less judgmental of others for their lack of “self-control”?