Insight by Psychology

Starting with genuine self-deprecating humor protects credibility during self-promotion because self-mockery reduces perceived bragging and makes subsequent positive claims more likable and acceptable.

Even if luck counts for only a small percent of evaluation, the chosen cohort can be dominated by high-luck realizations because adding a random luck term creates enough stochastic variation that the top-ranked picks disproportionately include those with extreme positive luck.

Items presented as rare or limited become more attractive because perceived scarcity triggers fear of missing out, which raises perceived value and demand.

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.

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.

Believing you fully control outcomes raises your chances of success because perceiving control increases effort and persistence, whereas seeing results as mostly chance reduces motivation and thus actual performance.

Framing scarcity as either limited quantity or limited time drives action because perceived limits create urgency, prompting people to act to avoid missing out before supply or the window closes.

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.