How the Zeigarnik Effect Makes Unfinished Tasks Stick

Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior · Jun 25, 2026 · 5m · transcript

In Episode 72 of Marketing Psychology with Fexingo, Lucas and Luna unpack the Zeigarnik Effect: why our brains hold onto unfinished tasks more than completed ones, and how marketers use it to boost engagement. They look at a specific experiment from Russian psychologist Bluma Zeigarnik in the 1920s, where waiters remembered unpaid orders better than paid ones. Then they connect it to modern examples: TV cliffhangers, progress bars in apps, and email subject lines that leave you hanging. They also discuss the fine line between curiosity and frustration, and why too many open loops can…