2 ideas from Bluma Zeigarnik, each explained in a minute and credited to the original work. Free on Savvy.
Psychologist Bluma Zeigarnik noticed a waiter could recall every detail of unpaid orders but drew a blank once the bill was settled. Her 1927 experiments confirmed it: people remem…
— Bluma Zeigarnik, On Finished and Unfinished Tasks (Über das Behalten von erledigten und unerledigten Handlungen)
In the 1920s Bluma Zeigarnik noticed Berlin waiters could recall unpaid orders in vivid detail but forgot them the instant the bill was settled. Follow-up experiments found people …
— Bluma Zeigarnik, Zeigarnik effect