The Duncker's candle problem requires the breaking of functional fixedness to be solved.

Question

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The Duncker's candle problem is a classic test of creative problem-solving that requires breaking functional fixedness, which is the tendency to see an object only in terms of its common use or function. In this problem, participants are asked to attach a candle to a wall in a way that allows it to burn without dripping wax on the floor. The solution involves using the candle box as a shelf and attaching the candle to the box with the pushpins provided, rather than trying to attach the candle directly to the wall using the pushpins.

The Duncker's Candle Problem Requires the Breaking of Functional Fixedness