Nine Dot Puzzle
In my last post, I wrote about the well-known nine dot puzzle which inspired the phrase “think outside the box” and some its variations. Developed by psychologist Norman Maier, the[…]
Tagged: brainteaser
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Out of the Box? Or In the Box?
Curious about where the phrase out of the box comes from? In the 1930s, American industrial psychologist Norman Maier coined the phrase after the famous 9-dot puzzle, as part of[…]
