The coin flip trick: how to find out what you actually want
You're stuck between two choices. You've made pros and cons lists. You've talked to friends. You've slept on it twice. Try this: flip a coin, but don't look at it. Instead, notice what you're hoping it lands on.
The trick in one sentence
The moment a coin is in the air, your brain — freed from the burden of having to choose — finally tells you what it wants. You don't even have to look at the result. The hope itself is the answer.
Why this works
Decision-making is energy-expensive. When the choice is yours, your mind hedges, balances, and second-guesses, often hiding your real preferences under layers of reasonable-sounding arguments. The instant you outsource the choice, that scaffolding collapses. Your real preference has nothing to defend itself against, so it surfaces. Psychologists sometimes call this "decision-by-relief": you don't know what you want until you imagine getting it and notice how you feel.
How to actually run the experiment
- Assign the options. Heads = take the job. Tails = stay where you are. Be specific.
- Flip without looking. Either physically cover the coin, or use a digital flipper and close your eyes for two seconds before reading the result.
- Pause and notice. Before you reveal the result, ask yourself: "Which one am I quietly hoping for?" If you can name it, you've already learned what you wanted.
- Then look. The actual result doesn't matter. You can ignore it. The point was the moment of hope.
When this trick fails
Sometimes you flip and feel nothing — no preference, no relief either way. That's a real signal, not a failure. It means the two options are genuinely interchangeable, and you should pick whichever is easier to undo. Don't waste another hour deliberating between things that feel the same.
The trick also fails when one option is high-stakes (a major medical decision, a job offer that affects your family). For those, the coin gives you data, not a verdict. Use the hope-signal as one input alongside more careful thinking.
Where this came from
The economist Steven Landsburg has written about this. So has the psychiatrist Danielle Ofri. The technique is older than either, though — there's a similar idea in a Piet Hein poem from the 1960s, where the reader is told to "go to bed when in doubt" because the answer arrives the moment you stop trying to find it. The coin flip is just a faster version of going to bed.
Other Spinfy uses for the same trick
The hope-signal works for any random tool. Spin a wheel of dinner options without watching the pointer — what flavour are you hoping it lands on? Roll dice for a binary outcome (1-3 vs 4-6). The trick scales to whatever decision shape you're facing.