The original marshmallow experiments from the 1960s and 1970s relied on narrow, selective groups tested in single settings influenced by hunger, mood, and comfort with researchers. Modern research demonstrates that children wait substantially longer when interacting with reliable adults who routinely keep their promises. Furthermore, comprehensive studies indicate that early cognitive ability and family background account for the long-term academic outcomes previously credited to isolated self-control.
Key points
Choosing an immediate treat can serve as a practical response to adult unreliability rath…: Choosing an immediate treat can serve as a practical response to adult unreliability rather than a lack of impulse control.
Controlling for home environments and early cognitive ability substantially weakens the s…: Controlling for home environments and early cognitive ability substantially weakens the supposed link between waiting times and adult success.
A child's patience operates as an adaptable behavior shaped by ongoing life experiences,…: A child's patience operates as an adaptable behavior shaped by ongoing life experiences, support, and available opportunities.
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Imagine placing one marshmallow in front of a four-year-old and telling them they can eat it now or wait until an adult returns to receive a second one. Some children wait patiently. Others reach for the treat almost immediately. This simple experiment, known as the marshmallow test, became one of psychology’s best-known ways of studying delayed gratification, or the ability to resist an immediate reward for a larger one later.
For years, the test was widely discussed as a measure of a child’s self-control and even as a possible clue to future success. But later research has added an important dimension to the conversation: a child’s decision may also reflect what they have learnt about the world around them. If promises are not always kept or circumstances are unpredictable, waiting may not seem like a sensible choice. In other words, eating the marshmallow does not automatically mean a child lacks discipline. It may tell us something about the situation in which the child is growing up.
5 Oct 2026 | 12:06
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