The sunk cost effect (i.e., the reluctance to give up a product or service after an investment of time, money, or effort) is most closely tied to what social influence technique?

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The sunk cost effect is closely tied to the low-ball technique, which involves getting someone to commit to a course of action and then raising the cost of that action. In the case of the sunk cost effect, the person has already invested time, money, or effort into a product or service, and therefore feels committed to continuing to use it even if it is no longer the most rational choice. The low-ball technique works by making the cost of switching to a different option seem higher than it actually is, thus increasing the likelihood that the person will continue with their initial choice.

The Sunk Cost Effect (I