
Inside the habit building brain
Why our minds hate breaking the chain
How the world tracks progress through history
The bright and dark side of the streak

duolingo Loss aversion explains why we push through fatigue just to avoid seeing a 50-day streak reset to zero.
Which psychological concept explains why we are more motivated to protect an existing streak than start a new one?
Which Nobel Prize-winning psychologist co-developed the theory of loss aversion with Amos Tversky?

duolingo Red marker streaks turn abstract progress into a physical reality that prevents quitting.
Which famous comedian popularized the 'don't break the chain' calendar method for daily consistency?
Streak visualizers: The popular app Duolingo reported that users with a seven-day streak are over three times more likely to complete their language courses.
What popular habit rule helps counter the 'what-the-hell effect' by allowing only a single day's slip-up?
What term do psychologists use for the cycle where a minor mistake causes someone to completely give up on their goal?
The psychological tendency to prefer avoiding losses to acquiring equivalent gains. Jerry Seinfeld famously leveraged this bias by marking a red X on a calendar for daily writing.
Which Soviet psychologist discovered that our brains remember uncompleted tasks much better than completed ones?
How does the Zeigarnik effect influence our desire to complete a daily streak task?

