
After analysing nearly 12,000 daily work diaries from 238 employees, Harvard researchers found that the strongest driver of a good inner work life wasn’t praise, pressure or incentives — it was making progress on meaningful work, even in small steps. They called it the progress principle.
Imagine handing nearly 12,000 end-of-day diary entries to a research team and asking them one question: on the days people felt good at work, what had actually happened?














