Does this look like a bubble to you?
Karl Duncker, that’s who came up with it.
The Candle Problem, that is.
If you haven’t heard of the candle problem, here’s the skinny.
In 1945, just as Hitler was murdering himself (thankfully), psychologist Karl Duncker was turning his attention to how humans solve problems. He came up with “the candle problem,” a cognitive performance test measuring the influence of functional fixedness on a participant’s problem solving capabilities.
Here’s the problem he presented…
Participants are given the following task: They have to fix and light a candle on a cork board that’s attached to a wall in such a way that the candle wax won’t drip wax onto the table below. To do so, they can only use the following objects: