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Psychology of Decisions

How we actually decide - biases, heuristics, and how to do better.

23 posts · Thinking & Decisions

  1. 1

    Decision Psychology: Why We Make Bad Decisions

    A plain-English map of decision psychology: dual-process thinking, heuristics, and the biases that quietly steer your choices - plus how to decide better.
  2. 2

    Why Smart People Make Irrational Decisions (and How to Spot It)

    Smart people make irrational decisions every day, in patterns you can predict. Learn why your mind takes shortcuts, and how to spot and use them in real life.
  3. 3

    Fast Thinking vs Slow Thinking: Your Two Minds Explained

    Fast thinking vs slow thinking shapes nearly every choice you make. Learn how System 1 and System 2 work, why your gut misfires, and when to slow down.
  4. 4

    How Your Brain Really Makes Decisions (It Is Not Logic)

    How your brain makes decisions using emotion, dopamine, memory, and attention - and why your conscious mind is mostly just narrating choices already made.
  5. 5

    What Really Motivates People (It Is Not Money)

    What really motivates people? Not money. Discover the science of needs, rewards, and the dopamine "wanting vs. liking" split that drives every choice.
  6. 6

    Mental Shortcuts: How Heuristics Help and Trick You

    Heuristics are the mental shortcuts your brain uses to decide fast. Learn the 5 most common ones, why they fool smart people, and how to outsmart them.
  7. 7

    Anchoring, Framing & Availability: 5 Biases That Decide For You

    The same fact, worded two ways, can flip your decision. Learn how anchoring, framing, and availability bias quietly steer your choices, and how to push back.
  8. 8

    Loss Aversion, Sunk Cost & 4 Biases That Sabotage You

    Loss aversion, the sunk cost fallacy, confirmation bias and overconfidence quietly wreck your money and choices. Learn how they work and how to beat them.
  9. 9

    Prospect Theory: Why Losing $50 Hurts More Than Finding $50

    Prospect theory explains why losses hurt twice as much as gains feel good, why we buy lottery tickets and insurance, and how to make smarter money decisions.
  10. 10

    Feelings First: How Emotions Secretly Steer Every Choice

    Your gut decides before your logic catches up. See how the affect heuristic, mood, fear, and regret quietly steer every choice, and how to take the wheel back.
  11. 11

    The 7 Levers of Influence: How People Get You to Say Yes

    Salespeople, ads, and apps pull the same hidden levers to win your yes. Learn the 7 principles of influence from psychology and how to spot them in action.
  12. 12

    Why You Remember a Great Trip as a Disaster

    Your memory and attention quietly edit reality, then hand you the edited version. Learn the peak-end rule and why what you notice becomes what you decide.
  13. 13

    Why People Really Buy: The Hidden Psychology of Customers

    People never buy what you think they buy. Learn the hidden psychology of why people really buy, from Jobs-To-Be-Done to pricing tricks and the pain of paying.
  14. 14

    What Really Motivates People at Work (It Is Not More Money)

    What motivates people at work is rarely a bigger paycheck. Learn the real drivers, why bonuses backfire, and how to build teams people never want to leave.
  15. 15

    Why Power and Money Make Smart People Decide Badly

    Power and money don't make leaders and investors more rational. They quietly bend judgment in predictable ways. Here's how to spot it and build guardrails.
  16. 16

    Why Smart People Lose Their Minds Over Politics

    Discover why motivated reasoning and tribal identity make smart people ignore facts in politics, and how to protect your own mind from manipulation.
  17. 17

    Your Own Blind Spots: Why You Can't See Your Bias

    Why are you the hardest person to read clearly? Learn how cognitive blind spots hide your bias, why being smart makes it worse, and the simple fixes that work.
  18. 18

    Building Products People Actually Want (Without Tricks)

    Learn behavioral design the honest way: reduce friction, set generous defaults, and build products people actually want and keep coming back to.
  19. 19

    Writing Marketing Copy That Persuades Without Lying

    Learn how to write persuasive marketing copy that sells honestly: lead with benefits, use real social proof, and apply scarcity without dark patterns.
  20. 20

    How to Negotiate Better Using Psychology, Not Pressure

    Learn the negotiation psychology that gets you better deals without being pushy: BATNA, anchoring, framing, tactical empathy, and the silent close.
  21. 21

    Why "Trusting Your Gut" in Hiring Fails (and What Works)

    Your gut is a bias amplifier, not a hiring tool. Structured interviews, scorecards, and task-focused feedback help you hire without bias and lead better.
  22. 22

    How to Make Better Decisions: A Simple Debiasing Toolkit

    Willpower won't fix biased thinking, but a simple process will. Learn how to make better decisions with 7 practical debiasing tools and the WRAP framework.
  23. 23

    Persuasion vs Manipulation: Where Is the Ethical Line?

    Persuasion vs manipulation: both use the same psychology, but one respects your freedom to choose and one steals it. Learn the line and three quick tests.