Money
Do cab drivers quit early on good days? What Uber data said next
A 1997 study found NYC cab drivers worked fewer hours on high-pay days. Later data mostly disagreed. One lesson is about the time frame you judge money by.
Work
Success
The Peter Principle, Measured: When Top Sellers Become Managers
In a large study of sales workers, top sellers were likelier to be promoted, and their teams tended to sell less afterward. How to check your next rung.
Success
Sydney Opera House: 4 Years Planned, 14 Built — Why Plans Run Late
The Sydney Opera House opened ten years late. Thesis students, on average, finished after their own worst case. Why plans run long, and one simple check.
Mindset
The IKEA Effect: Why Your Own Plan Can Look Better Than It Is
People who built a plain IKEA box bid about 63% more than people shown it prebuilt. What that means for your own plans, plus a simple stranger test.
Success
Van Halen's No-Brown-M&M's Rule and the Art of the Cheap Check
Van Halen's rider banned brown M&M's. David Lee Roth said it was a quick test of whether venues read the contract. Here's how to use a cheap check.
Mindset
Fewer People Noticed Than You Think: The Spotlight Effect, Measured
In a classic study, people in an embarrassing T-shirt guessed about 46% of the room noticed. About 23% did. Here's how to use that gap.