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He challenged research subjects to connect all nine dots using just four straight lines without lifting their pencils from the page.
Management consultants in the 1970s and 1980s even used this puzzle when making sales pitches to prospective clients.Classics, almost by definition, are works that are considered to be of high quality, are influential on later works, and are widely known.However, one will often find that only scholars and enthusiasts have first-hand knowledge of the material in question, and that the masses know it either only by title or by homages, parodies, direct references and allusions found in more populist works.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. Guilford was one of the first academic researchers who dared to conduct a study of creativity.