Self-control may be the most teachable lever for national prosperity
In short: While intelligence and wealth are often seen as the primary drivers of success, they are difficult to change. Research suggests that childhood self-control is a distinct, potentially trainable predictor of adult health and financial stability, offering a unique opportunity for large-scale social intervention.
Research from the Dunedin Study, which tracked 1,000 New Zealand children from birth in 1972 to age 38 in 2011, highlights self-control as a critical life predictor. The study found that childhood self-control correlates with a wide array of adult outcomes, including personal finances, retirement savings, physical health, and criminal offending. Crucially, these effects remain significant even when disentangled from a child's intelligence and their parents' social class. The data also links these childhood traits to heavy smoking and addiction. Furthermore, it predicts the likelihood of unplanned single-parenting and high-school dropout rates.
The importance of this trait is further illustrated by a study of 500 UK twin-sibling pairs. In this cohort, siblings who shared the same parents and family background still showed different life outcomes based on a gradient of self-control measured at age 5. The research indicates that these life outcomes followed a specific gradient of self-control. This suggests that even small improvements in these skills can lead to better results.
This suggests that self-control operates as an independent variable, influencing life trajectories regardless of the socioeconomic resources available to a child. From a policy perspective, this distinction is vital. Because IQ scores and social class are notoriously difficult to alter on a national scale, self-control offers a more accessible target for intervention. Experts suggest that enhancing these skills in children could reduce societal costs, improve public safety, and better prepare a shrinking younger workforce to support an aging population with longer life expectancies. Early interventions could potentially save taxpayers significant amounts of money. These programs aim to help citizens prepare for successful aging in a world with fewer children.
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Sources
- Summary by Intellect · source: Children's Self-Control and the Health and Wealth of the Nation - Professor Terrie Moffitt
- Also: Children's Self-Control and the Health and Wealth of their Nation: Tracking 1000 children from birth to maturity
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