
The Procrastination Equation Summary & Review: The Formula Behind Why You Delay
Piers Steel's research-backed formula for procrastination — Motivation = (Expectancy × Value) ÷ (Impulsiveness × Delay) — and how to rewrite it…
Read Summary →"Motivation researcher who turned decades of procrastination science into one practical equation."
Piers Steel, PhD, is a professor at the Haskayne School of Business at the University of Calgary and one of the world's foremost researchers on the science of motivation and procrastination. Drawing on more than a decade of meta-analytic research spanning hundreds of studies, he distilled the psychology of why people delay into a single testable model, published as The Procrastination Equation. His research has been featured in outlets including Psychology Today, New Scientist, Good Housekeeping and The New Yorker, and he is a winner of the Killam Emerging Research Leader Award. He lives in Calgary, Alberta.
Our in-depth summaries and reviews of his work

Piers Steel's research-backed formula for procrastination — Motivation = (Expectancy × Value) ÷ (Impulsiveness × Delay) — and how to rewrite it…
Read Summary →Motivation = (Expectancy × Value) ÷ (Impulsiveness × Delay) — a formula for why we delay and what actually changes it.
"Procrastination isn't a time-management problem. It's an emotion-management problem."— The Procrastination Equation

Piers Steel's research-backed formula for procrastination — Motivation = (Expectancy × Value) ÷ (Impulsiveness × Delay) — and how to rewrite it for the task you keep avoiding.