A sunk cost is money, time, or effort that has already been spent and cannot be recovered. A sunk cost expense refers to the loss of time, money, or effort, which you can't get back. If you let ...

To explore the mechanism behind mating cues and sunk cost bias, the researchers conducted Studies 4a and 4b, recruiting 539 participants (301 women, average age 30.5 years) and 551 participants ...