What Makes People Successful? | Prof Jiang Xueqin | #profjiang

Key ideas about success (and what they really mean)

• Delayed gratification / self-control (Walter Mischel)

  • The “marshmallow test” is framed as success tied to waiting for a bigger future reward.
  • Reported long-term outcomes for those who waited:
    • better school performance and test scores
    • stronger, more stable careers
    • more stable relationships
    • lower rates of jail, drugs, and alcohol
    • generally better health/fitness and longer life
  • Wellness / self-management takeaway:
    • Practice emotional regulation (calm yourself when triggered)
    • Make long-term tradeoffs (e.g., do homework instead of playing now)

• Growth mindset / resilience (Carol Dweck)

  • Growth mindset: when you fail, you treat it as an opportunity to learn, adjust, and try again.
  • Fixed mindset: failure is interpreted as proof you can’t improve → you give up.
  • Productivity takeaway:
    • Respond to setbacks with analysis + iteration (“what did I do wrong; what will I change next?”)

• Deliberate practice + self-reflection (K. Anders Ericsson)

  • Hard work alone isn’t enough; successful people practice strategically.
  • Core loop:
    • set goals
    • plan practice to reach them
    • identify weaknesses through ongoing reflection/assessment
    • adjust the plan if it doesn’t work
  • Self-care/productivity takeaway:
    • Use constant self-assessment of learning strategies, not just effort

Why these theories don’t always “work” when taught directly

• The speaker emphasizes: “Correlation does not equal causation.”
  • Example given: people may get up early, but getting up early doesn’t automatically cause success.
  • The direction may be reversed: successful circumstances can lead to traits like self-control, resilience, and humility—not necessarily the other way around.

The deeper driver: parenting, trust, and stability shaped by wealth

• The talk argues macro outcomes are strongly affected by socioeconomic conditions:
  • If parents are rich → much higher likelihood of success
  • If parents are poor → much lower likelihood of success
• Parenting differences highlighted (wealth effect):
  • More conversation + higher vocabulary in wealthier homes
  • Friendly/explanatory vs authoritarian/commanding discipline styles
  • Stability and promise-keeping are more possible with wealth
• Key reinterpretation of the marshmallow test:
  • It may be less about “willpower” and more about trust in authority figures.
  • If you expect the adult will break promises, waiting is irrational.

“Self-control / resilience / self-assessment” are constrained by environment

• Trust: poor children may not expect adults to keep promises → “waiting” is less rational.
• Resilience: optimism depends on believing the world will help you.
• Self-reflection: chronic stress makes inward reflection harder.

What the speaker proposes schools should do (but also why it’s limited)

• Intended education strategy:
  • design curricula that build vocabulary exposure, supportive teacher relationships, and stability
• Limitation:
  • children arrive with an already-established worldview from their home environment
  • changing schools alone can’t fully overcome structural inequality

Mechanism for social change: hierarchy + game theory

• Society is described as a hierarchy where rich and poor “play different games.”
• Revolutions are described as emerging when the “game” becomes unfair:
  • too few elite power positions
  • high expectations for the rich / low expectations for the poor
  • debt, loss of land, slavery as common precursors to uprisings
• Social mobility is described as stabilizing—as long as people believe they can climb.
  • But when top positions become “rigged” for descendants, it triggers disruption (“game reset”).

“Luck” is treated as strategy, not just randomness

• Luck can be increased by positioning yourself where opportunity exists (e.g., studying abroad).
• But success still requires:
  • individual traits (self-control, resilience, self-understanding)
  • and favorable probabilities (luck remains a factor)

Presenters or sources

• Prof. Jiang Xueqin (video presenter)
• Walter Mitchell (marshmallow test researcher; described as Walter Mitchell)
• Carol Dweck (author of Mindset; growth vs fixed mindset)
• K. Anders Ericsson (deliberate practice)
• David Dunning and Justin Kruger (Dunning–Kruger effect)