Before you begin

The Marshmallow Tests

Between 1968 and 1974 Walter Mischel ran some interesting tests on children, which were to become famously known as the ‘Marshmallow Tests’.

Mischel took a group of 337 girls and 316 boys who had just turned four. Once they felt relaxed in the presence of a psychologist they were seated at a table which had three items on it: a small bell, one marshmallow on its own, and two marshmallows together.

The psychologist explained that the adults were about to leave the room and that the child had a choice to make: if they could wait until the psychologist returned then they could have the reward of two marshmallows, but if the child did not want to wait they could ring the bell which would bring an adult into ...

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