Success Depends on IQ? - What is IQ, How it Works, Can You Increase it? FutureIQ
Concepts in this episode
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Polygenic Inheritance mechanism
IQ is not inherited as one parental setting: it is assembled from contributions across roughly 500 or more genes. Since each parent transmits only half of their genetic material, a child receives a new combination rather than a copy of either parent’s trait level.
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Regression to the Mean mechanism
Extreme outcomes usually depend on an unusually favorable combination of many causes. Successors may inherit some advantages, but they are unlikely to reproduce the entire combination, so outcomes tend to move back toward the ordinary range.
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Normal Distribution mechanism
A normal distribution puts many observations near the mean, not necessarily at it. When a person must be average across several independent features simultaneously, that exact all-round averageness becomes increasingly unlikely.
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Typical Mind Fallacy mental-model
The Typical Mind Fallacy is treating your filtered social world as a miniature of the public. When you rarely encounter people outside that world, large-scale behavior can seem irrational because your model excludes much of the population.
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Constraints vs Guarantees principle
Some factors are constraints, not guarantees: falling below a threshold can close a path, while rising above it merely makes the path possible. Capacity still needs other machinery to become achievement.
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Developmental Ceiling mechanism
Innate potential may set a developmental ceiling, but early conditions determine how closely a person approaches it. Genes describe a possible range; nutrition and environmental exposure help decide what becomes real.
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