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No one, that is, before two different research teams—Clarke Burnham with Kenneth Davis, and Joseph Alba with Robert Weisberg—ran another experiment using the same puzzle but a different research procedure.Both teams followed the same protocol of dividing participants into two groups.The correct solution, however, requires you to draw lines that extend beyond the area defined by the dots.At the first stages, all the participants in Guilford’s original study censored their own thinking by limiting the possible solutions to those within the imaginary square (even those who eventually solved the puzzle).In other words, the “trick” was revealed in advance.Would you like to guess the percentage of the participants in the second group who solved the puzzle correctly?
Today many people are familiar with this puzzle and its solution.
Let’s look a little more closely at these surprising results.
Solving this problem requires people to literally think outside the box.
Overnight, it seemed that creativity gurus everywhere were teaching managers how to think outside the box.
Management consultants in the 1970s and 1980s even used this puzzle when making sales pitches to prospective clients.
The symmetry, the beautiful simplicity of the solution, and the fact that 80 percent of the participants were effectively blinded by the boundaries of the square led Guilford and the readers of his books to leap to the sweeping conclusion that creativity requires you to go outside the box.