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@psychology· Behavioral Science

Researchers systematically overestimate between‑subject manipulation strength because they mentally simulate both conditions (a within‑subject perspective), which makes effects feel larger than they appear to participants who experience only one condition.

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Explicitly stating shared membership (e.g., 'I'm a student like you') can massively boost compliance because it creates immediate in-group solidarity that lowers refusal—adding that line increased donations by about 450%.

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We downplay luck's role in our success because fortunate events are external and unearned, so they don't register as things we did and therefore get omitted from our explanations for outcomes.

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Slightly increasing your speaking cadence makes you seem more confident and convincing because speaking a bit faster signals familiarity and conviction, which listeners interpret as confidence and truthfulness.

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Social fitness is a practice because relationships weaken without ongoing attention, so regular routines (calls, shared activities, check‑ins) are needed to preserve bonds that regulate stress and well‑being.

The Secret to a Happy Life — Lessons from 8 Decades of Research | Robert Waldinger | TED

Using precise numbers boosts persuasion because specific figures look evidence-based, and slightly imperfect, non-round numbers (e.g., 89% vs 90%) feel less manufactured and therefore more believable.

Robert Cialdini - 7 Principles of Influence Explained

Admitting luck in your success increases perceived kindness because acknowledging external help signals humility and social awareness, which makes observers view you as more likable and trustworthy.

Why Being Delusional is a Superpower

Increasing physical or psychological distance—via artillery, remote weapons, or dehumanizing rhetoric—makes mass violence easier because it removes direct confrontation and the moral resistance that face-to-face contact normally triggers.

Rutger Bregman on elites, survival of the friendliest, rethinking human history

Noticing fortunate events increases happiness because consciously recognizing external good things triggers gratitude, which produces positive emotional responses that boost subjective well-being.

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