That is, direct and explicit instructions to think outside the box did not help.
Management consultants in the 1970s and 1980s even used this puzzle when making sales pitches to prospective clients.
Because the solution is, in hindsight, deceptively simple, clients tended to admit they should have thought of it themselves.
If you have tried solving this puzzle, you can confirm that your first attempts usually involve sketching lines inside the imaginary square.
The correct solution, however, requires you to draw lines that extend beyond the area defined by the dots.
Guilford was one of the first academic researchers who dared to conduct a study of creativity.
He challenged research subjects to connect all nine dots using just four straight lines without lifting their pencils from the page.
Matt is dating Andrea Anders, who plays Joey`s neighbor and love interest Alex.
Although studying creativity is considered a legitimate scientific discipline nowadays, it is still a very young one. One of Guilford’s most famous studies was the nine-dot puzzle.
Indeed, the concept enjoyed such strong popularity and intuitive appeal that no one bothered to check the facts.
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.
Today many people are familiar with this puzzle and its solution.