Dai, Milkman & Riis Fresh Start Effect Research

Overview

In 2014, behavioral scientists Hengchen Dai, Katherine Milkman, and Jason Riis published groundbreaking research on the "fresh start effect" - the psychological phenomenon where temporal landmarks boost our motivation to pursue goals.

Key Research Findings

Gym Visit Data

• Gym visits spike by 82% at the start of a new year
• Google searches for "diet" increase dramatically at temporal landmarks
• People are 33% more likely to exercise at the start of a week
• People are 47% more likely to exercise at the start of a new semester

Temporal Landmarks

The research identified that specific types of dates create fresh start effects:

• New Year's Day
• Birthdays
• First day of a new month
• Start of a new week (Mondays)
• First day of a new semester or school year
• National holidays that mark new beginnings

Psychological Mechanism

Temporal landmarks create a sense of psychological separation from our "old self," which can boost self-efficacy and motivation. People feel they're opening a new chapter, leaving past failures behind.

Duration of Effect

Motivation typically declines steadily week by week after a temporal landmark. By mid-February, brain patterns often settle back to default patterns.

Making It Last

Research shows motivation is sustained when goals support three psychological needs:

1. Autonomy: Feeling the goal is genuinely ours
2. Competence: Feeling capable of progress
3. Relatedness: Feeling supported

Practical Applications

• Create personal micro-landmarks throughout the year
• Use fresh start moments to initiate important changes
• Combine fresh starts with sustainable systems
• Build support structures before motivation fades

Academic Citation

The research was published in Management Science and has been widely cited in behavioral economics and productivity literature.