When faced with problems, we naturally tend to look for additive solutions - adding components to the current solution rather than eliminating redundancies. This bias occurs across types of work and problems. An existing solution is considered as a baseline, only to which we can enhance by building off of. In training children to ride a bike, a pedal-less two-wheeler has been shown to better prepare the rider than a normal bike with training wheels. This tendency could be linked to the sunk-cost bias, as we look to continue to invest in things for which time or effort has already been spent on.
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