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This needs to be a well-defined psychological principle. I do stuff like this all the time
(programming.dev)
Get good loot from a toolbox in Fallout? Gotta check them all now
There is a part of the dog training book "Total Recall" by Pippa Mattinson that refers to this.
Pie-in-a-bush is her way of explaining the Jackpot reward training method.
Very surreal to see it realised so.