Shannon feels miserable in her marriage but refuses to consider getting a divorce; she feels that a divorce would completely waste all of the hard work she has put into making the marriage work for 20 years. Shannon's line of reasoning best illustrates the:

Question

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Shannon's reasoning exemplifies the sunk-cost fallacy, which means that the investment of time, effort or money in a situation leads individuals to persist with it, even when the costs outweigh the benefits, because they perceive that they have already invested too much to quit.

Shannon Feels Miserable in Her Marriage but Refuses to Consider