Over the summer we saw a trend on social media of parents (and some dog parents) placing marshmallows (or dog treats) on a plate in front of their children and leaving the room to see what their child did. The internet was consumed with joy as they watched these videos of small ones looking round to see when they could eat the sweets…. and laughed as so many could not restrain themselves and quickly ate them. But, what does this actually tell us?
The Marshmallow test is a psychology based assessment developed by Walter Mischel (1972) who was a professor at Stanford University. Mischel’s “marshmallow test” became a well known source of identifying how an individuals’ ability to delay gratification in childhood is related to their later success in life. He found that the children who could resist the immediate temptation of eating a marshmallow, knowing that they would be rewarded with two marshmallows afterwards exhibited that they had higher levels of self-control. He referred to these as ‘cool’ behaviours, which could be mapped to more positive life outcomes.In comparison, children who immediate felt the urge to eat the marshmallows exhibited less impulse control or ‘hot’ behaviours.
He later followed up the study in 1988, and found that where pre-school children were able to delay gratification that ten years later they were described by parents as being more competent, it was later associated with higher SAT scores. However, perhaps most interestingly, those who were able to delay gratification had key differences in their prefrontal cortex related to impulse control and logic.

Mischel’s theory of personality and behaviour aims to distinguish between “cool” behaviours and “hot” behaviours. Cool and hot behaviours were found to be correlated to different components of self-control and cognitive processing. This became central to his Cognitive-Affective Personality System theory. His theory recognised that we all have the capacity for both cool and hot behaviours. However, it is the interplay between these two behaviours that can affect our responses in life to a range of situations. He also acknowledged that we all have the ability to develop strategies to improve and enhance our self-control and decision-making abilities, which are especially helpful in situations where we may be inclined towards hot behaviours.
Cool Behaviours include:
Hot behaviours include:
So, how do we support children to enhance their ‘cool’ system? If we want to support children to develop their cool system skills, we need to consider:
(Which made me smile, as this is what we teach our Dandelion child coaches…. )
It should be noted, that the marshmallow test has been shown to only be effective when adults follow through with their promises and the reward was delivered. Where a child does not believe that the promise will be kept, there is no benefit for them engaging their minds with delayed gratification. Perhaps something for us all to think about when we make promises in trade for behaviours with children…..
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© Nicky Edwards – All Rights Reserved
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