THE MECHANISM SERIES

Every part of this
has a paper behind it.

One piece per psychological mechanism. What it is, who proved it, the number they got, and exactly where it shows up in the product. I didn’t invent any of these. I read the papers, built the room around them, and I’ll tell you which ones failed to replicate too.

  1. 01Social facilitation (the audience effect)The Cockroach StudyBeing watched makes you faster at what you already know how to do.5 min
  2. 02Body doublingThe Couch EffectYou don't need them to help. You need them to exist.5 min
  3. 03Measurement reactivityThe Counter TaxKnowing a number is being kept changes what you do, before anyone reads it.5 min
  4. 04Implementation intentionsThe If-Then Cheat CodeNaming the when and the where beats intending to try. 94 studies say so.5 min
  5. 05Goal-setting theoryDo Your Best Is The Most Expensive Advice Ever GivenSpecific and hard beats vague and comfortable. Thirty-five years of data, one finding.5 min
  6. 06The fresh-start effectEvery Hour Is A New Year's DayYou don't need January. You need 3:00.5 min
  7. 07Temptation bundlingThe Hunger Games HostagePeople paid money to have the thing they wanted taken away from them.5 min
  8. 08Ego depletionThe Willpower Myth That Failed To ReplicateThe willpower fuel tank did not survive testing. 23 labs looked.5 min
  9. 09Precommitment and consistencyThe Booked SeatYou will skip a plan. You will not skip a person.5 min
  10. 10Identity-based behaviour and self-imageReceipts, Not AffirmationsYou don't talk yourself into being a builder. You accumulate evidence until arguing gets stupid.5 min
  11. 11AutosuggestionThe Read-BackYou already wrote the sentence. The question is whether you ever see it again.5 min
  12. 12The habit loopClose The Loop Or Lose ItA behaviour repeats when the circuit completes. Most people leave it open and blame themselves.5 min
  13. 13Classical conditioning and context-dependent stateThe BoothYour brain pre-loads the state before you type a character. That is why the room beats the mindset.5 min
  14. 14Loss aversionThe Chain TaxLosing forty days hurts about twice as much as gaining day forty-one feels good.5 min
  15. 15Social comparison theoryThe Small PondA global leaderboard makes you quit. Six people you know makes you start at 6:00.5 min
  16. 16The Zeigarnik effectThe Tab You Can't CloseThe unfinished thing is not in your head because it matters. It is there because it is unfinished.5 min
  17. 17Choice architecturePath Of Least Resistance Always WinsYou are not going to out-discipline your own setup. Nobody does. Change the setup.5 min
  18. 18FlowOne Deliverable, One HourYou cannot summon flow. You can stop breaking its preconditions, which is most of the job.5 min
  19. 19Parkinson's law and timeboxingThe BoxWork fills the time you give it. So stop giving it so much.5 min
  20. 20Variable-ratio reinforcementThe BellSlot machines run on this. So does the end of your build. The difference is what you walk away with.5 min
  21. 21Self-determination theoryWhy It's Forever And Not A 30-Day ChallengeEvery system you quit was missing one of three things. You can work out which.5 min

The whole series describes one room. You can be in it tonight.

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