The Fresh Start Effect
Time your ask to the moments people feel like a new person
- Difficulty
- Easy
- Time to result
- ~weeks to results
- Steps
- 5
- Confidence
- 90%
Coined by Katherine Milkman, the Fresh Start Effect holds that a strong driver of behavior is the desire to stay consistent with our past selves, which keeps old habits running. When we cross a temporal landmark, the beginning of a year, month or week, a birthday or a holiday, our psychological link to the past self weakens and we become far more open to change. Milkman validated this against gym registrations, gym attendance, and search volume for quitting smoking or dieting, all of which spike at these moments. The practical move is to time behavior-change communications to land immediately after a landmark. You can either exploit naturally occurring landmarks or, like the Catholic confessional, manufacture a moment of reappraisal that lets people slough off the old self.
Origin
Developed by behavioral scientist Katherine Milkman, who tested the hypothesis against gym, search and habit datasets showing pronounced spikes at the start of new time periods.
Core principles
- 01People crave consistency, which locks in old habits
- 02New time periods weaken the link to your past self
- 03Habits are most breakable at predictable temporal landmarks
- 04You can either target existing landmarks or manufacture your own
How to run it
- 1
Identify the habit you need to break
Pinpoint the existing repeated behavior standing between the person and the new action you want. Change is impossible if they never even weigh alternatives.
Pro tip Most behavior is habitual repetition, not fresh deliberation, so assume inertia is your real competitor.
- 2
Map temporal landmarks
List the moments when your audience's link to their past self weakens: New Year, month-start, Monday, birthdays, the day after a public holiday.
- 3
Time the communication to the landmark
Schedule the campaign or outreach to arrive right after the landmark rather than at a random time, so it catches people while they are open to change.
Pro tip A New Year New You framing works precisely because it stacks the message onto a landmark.
- 4
Manufacture a landmark if none exists
If no natural moment fits, create a ritual of reappraisal that lets people mentally reset, the way the confessional wipes the slate clean.
- 5
Measure lift against a control
Run the timed message against a randomly-timed control and compare response rates to confirm the landmark is doing the work.
Watch out A single strong result can be a fluke; behavioral effects are claims to be tested, not trusted.
In the wild
Police sent offenders a message offering support to leave crime and start a new life. Sometimes it went out randomly; sometimes it went out just after the criminal's birthday. The birthday-timed messages produced roughly a three to fourfold increase in response rates, even among a notoriously hard-to-move audience.
→ Roughly 3-4x higher response when the identical message was timed to a fresh-start landmark.
Spotify tried to launch its personalized recommendation service twice and failed, first as Throwback Thursdays, then as Feel-Good Fridays. Only when it relaunched as Discover Weekly landing every Monday did it succeed, tapping the fresh-start energy of the week's beginning.
→ The Monday relaunch turned a twice-failed feature into a flagship product.
Common mistakes
Sending the right message at a random time
A strong offer delivered off-landmark competes against full habitual inertia; the same message timed to a fresh start can multiply response several-fold.
Assuming one landmark fits everyone
Different audiences reset at different moments; relying only on New Year ignores month-starts, Mondays and personal birthdays that may work better.
Is it for you?
Best for
Marketers, behavior-change programs and services asking people to adopt a new behavior.
Not ideal for
Situations where the offer is needed instantly regardless of calendar timing.
From the transcript
“when we enter new time periods, our link with our past self is weakened, and we are more open to change”
“It was only when they launched it as Discover Weekly on a Monday that they tapped into the Fresh Start effect”
From the episode
8 Fascinating Psychological Biases - Richard Shotton - #592
Richard Shotton