Re:Thinking with Adam GrantWhat are the parenting effects on kids? | ReThinking with Adam Grant
CHAPTERS
- 0:00 – 0:40
Susan’s shift from achievement pressure to joy and life experience
Susan Dominus opens by reflecting on how researching high-achieving siblings changed her own parenting mindset. She moved away from maximizing credentials and enrichment toward letting her kids enjoy life and develop a love for living.
- •High-achieving kids often faced meaningful challenges, not nonstop enrichment
- •Parental sense of “responsibility to maximize potential” can become burdensome
- •Reverting to a freer, outdoorsy, less structured parenting style
- •Valuing joy, beauty, and a life well-lived over achievement metrics
- 0:40 – 2:25
Why “successful siblings” became her obsession (the Wasserstein example)
Adam asks what sparked Susan’s interest in families with multiple standout children. She traces it to childhood proximity to the Wasserstein family and her curiosity about what home environments produce confidence and unconventional ambition.
- •Early exposure to prominent, high-achieving siblings as a motivating mystery
- •Curiosity about “what was going on in their home” to create boldness
- •Hard-driving, success-focused mother as one possible ingredient
- •Father’s immigrant “overcomer” story shaping a sense that anything is possible
- 2:25 – 4:23
Nature vs. nurture: what twin and adoption findings can (and can’t) tell us
The conversation turns to disentangling genetics from parenting influence. Adam summarizes classic twin/adoption results; Susan emphasizes both the power and limits of inference-based designs and cautions against overclaiming parenting effects from small choices.
- •Genetics influence personality tendencies without single “trait genes”
- •Separated identical twins show notable trait similarity; adopted siblings don’t converge much
- •Twin studies rely on inference and have critics as well as defenders
- •Many parenting-book debates (co-sleeping, rewards) likely have small outcome effects
- 4:23 – 5:53
Rethinking “parenting impact”: outcomes vs. kids’ lived experience
Susan argues parenting is often overjudged by long-term outcomes (achievement, traits) instead of day-to-day emotional experience. She reframes the value of parenting as creating moments of safety, love, and enjoyment—even if they don’t map neatly onto adult personality measures.
- •Outcome obsession can distort what matters in family life
- •Moment-to-moment experiences are real and meaningful even without measurable “turnout” effects
- •Life is an accumulation of small moments, but causality is messy
- •Kids’ traits can shape how they interpret parenting retrospectively
- 5:53 – 6:28
Child effects and feedback loops: kids shape parenting too
Susan highlights how children’s temperaments and challenges can elicit different parenting responses. She draws on Judith Rich Harris’s critique to stress bidirectional dynamics—parents influence kids, but kids also strongly influence parents’ behavior.
- •Children can elicit harsher/less “easy” parenting (e.g., ADHD, school struggles)
- •Parenting style is partly a reaction to child temperament and behavior
- •These feedback loops may compound developmental challenges
- •Birth-order and parenting narratives often ignore child-to-parent causality
- 6:28 – 9:14
New evidence on affection and later personality—and why it’s unsettling
Adam introduces a newer twin study tracking maternal affection (ages 5–10) and later personality (to age 18). Susan reacts to the discomfort: evidence suggests parenting may matter more than some parents find reassuring, and genetics research may have previously overstated heritability in certain behaviors.
- •Within identical twin pairs, more maternal affection predicts higher openness/conscientiousness/agreeableness
- •Reverse causality exists (kids with more early problems receive less affection) but doesn’t fully explain the link
- •Small correlations still imply meaningful influence at scale
- •Genetic research suggests “environmental” effects may masquerade as inherited traits
- 9:14 – 10:46
Liberation and responsibility: parenting isn’t everything, but it’s not nothing
Adam and Susan land on a balanced thesis: parenting choices are often less determinative than we fear, provided kids aren’t abused or neglected. At the same time, parents carry a real responsibility for children’s felt experience and for avoiding turning kids into status projects.
- •Liberating idea: many micro-choices don’t define a child’s destiny
- •Heavy pressure to produce “successful” children is misplaced and harmful
- •Parents’ job isn’t to maximize children’s social utility
- •Creating an environment where kids feel possibility matters more than manufacturing outcomes
- 10:46 – 13:18
Outsourcing discipline and the ‘sibling advantage’ in real life
Susan describes families who maintained a warm home while outsourcing tough coaching and discipline to mentors and schools. She then pivots to a core surprise from her reporting: siblings often drive each other’s success via advice, role modeling, and “path clearing” in ways parents can’t replicate.
- •Warm, nurturing home plus rigorous external training (coaches/teachers)
- •Parent advice can become the “kiss of death,” especially for older kids
- •Siblings can see each other more clearly in peer contexts
- •Older siblings provide tangible access, introductions, and confidence boosts
- 13:18 – 15:45
The sibling spillover effect: a clever natural experiment on schooling
Susan explains sociologist Emma Zang’s study using school start-date cutoffs to isolate sibling influence. When an older sibling’s age advantage boosted their performance, younger siblings also improved—evidence that one child’s gains can raise standards and opportunity for the next.
- •Sibling effects are hard to study because of shared genes
- •School start-date cutoffs create quasi-random “older for grade” advantages
- •Older sibling’s improved grades predict younger sibling improvement regardless of younger sibling’s age-for-grade
- •Siblings may contribute to the persistence of inequality alongside parents and assortative mating
- 15:45 – 20:25
Birth order realities: academics, IQ, attention, and niche-picking
The discussion broadens to birth order and sibling differentiation. Susan notes findings that firstborns often score higher academically/IQ, possibly due to parental attention, while later-borns may carve out different niches (sports, risk-taking), though large datasets increasingly challenge simplistic birth-order stories.
- •Research often finds firstborns most academic and slightly higher IQ on average
- •Differences may be visible very early, suggesting attention and early environment matter
- •Younger siblings may take alternate paths (sports/risk) to stand out (niche-picking)
- •Many large studies find popular birth-order “types” are overstated or imposed as family narratives
- 20:25 – 22:57
How the book changed Susan’s parenting: stop rescuing, build autonomy
Adam asks Susan directly how her reporting affected her parenting of fraternal twins. She describes becoming more relaxed about control and more aware that jumping in to help can demotivate kids; she admired practical autonomy-building strategies that let children do more for themselves.
- •Twin/adoption research reduced both guilt and self-congratulation as a parent
- •Julia Leonard’s work: parental “jumping in” can undermine motivation
- •Parents often underestimate children’s competence (even in basic routines)
- •Small environmental design choices can empower kids (e.g., accessible cups/plates)
- 22:57 – 29:32
Blaming parents, changing kids, and recalibrating expectations to the individual child
They explore cultural parent-blame and whether it’s excessive, with Susan noting shifting norms across generations. The chapter closes on a practical takeaway: expectations matter, but they must fit the child—too high becomes anxiety-producing pressure, and kids differ from birth in ways parents can’t standardize away.
- •Changing a child via parenting often requires changing yourself first
- •Therapy culture and generational shifts shape how people judge parents
- •Optimistic family narratives (“All things possible”) can be powerful atmospheres
- •Set expectations “just high enough”—belief without crushing pressure; kids are different humans
- 29:32 – 33:51
Lightning round: punishment, ‘don’t break them,’ introversion, and Adam’s closing reframe
In rapid-fire format, Susan rejects punishment-as-learning and champions avoiding shame. She and Adam discuss encouraging (not forcing) behavioral range like situational extroversion, and Adam closes by updating his view: parents may shape experiences and memories more reliably than character outcomes.
- •Worst advice: punishment; it often equals shame
- •Best advice: “Just don’t break them”—don’t overprogram childhood
- •Encourage range (try on behaviors) rather than forcing personality change
- •Adam’s final takeaway: parents strongly shape kids’ experiences and how they remember childhood
