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'''Thinking outside the box''' (also '''thinking out of the box'''<ref>{{cite web|url=https://en.oxforddictionaries.com/definition/box|archive-url=https://web.archive.org/web/20161121234309/https://en.oxforddictionaries.com/definition/box|url-status=dead|archive-date=November 21, 2016|title=box - definition of box in English - Oxford Dictionaries|access-date=21 November 2016}}</ref><ref>{{cite web|url=http://www.collinsdictionary.com/dictionary/english/think-outside-the-box?showCookiePolicy=true|title=think outside the box - Definition, meaning & more - Collins Dictionary|access-date=21 November 2016}}</ref> or '''thinking beyond the box''' and, especially in [[Australian English|Australia]],<!-- some examples of the use of this phrase in australia can be found at:http://cottonaustralia.com.au/news/article/photographers-encouraged-to-think-outside-the-square-in-cotton-photo-comp and http://www.companydirectors.com.au/director-resource-centre/publications/company-director-magazine/2012-back-editions/october/feature-thinking-outside-the-square in addition to the aussi_example ref--> '''thinking outside the square'''<ref name="aussi_example">{{cite web|url=http://www.limelightmagazine.com.au/features/thinking-outside-square|title=Thinking Outside The Square|access-date=21 November 2016}}</ref>) is an [[idiom]] that means to think differently, unconventionally, or from a new perspective. The phrase also often refers to novel or creative thinking.
{{split|Nine dots puzzle|date=September 2020}}
{{Puzzles|topics}}
'''Thinking outside the box''' (also '''thinking out of the box'''<ref>{{cite web|url=https://en.oxforddictionaries.com/definition/box|title=box - definition of box in English - Oxford Dictionaries|access-date=21 November 2016}}</ref><ref>{{cite web|url=http://www.collinsdictionary.com/dictionary/english/think-outside-the-box?showCookiePolicy=true|title=think outside the box - Definition, meaning & more - Collins Dictionary|access-date=21 November 2016}}</ref> or '''thinking beyond the box''' and, especially in [[Australian English|Australia]],<!-- some examples of the use of this phrase in australia can be found at:http://cottonaustralia.com.au/news/article/photographers-encouraged-to-think-outside-the-square-in-cotton-photo-comp and http://www.companydirectors.com.au/director-resource-centre/publications/company-director-magazine/2012-back-editions/october/feature-thinking-outside-the-square in addition to the aussi_example ref--> '''thinking outside the square'''<ref name="aussi_example">{{cite web|url=http://www.limelightmagazine.com.au/features/thinking-outside-square|title=Thinking Outside The Square|access-date=21 November 2016}}</ref>) is a metaphor that means to think differently, unconventionally, or from a new perspective. The phrase also often refers to novel or creative thinking.


==History==
==History==


The origin of the phrase is unclear. "Think beyond the boundary"-metaphors, that is, metaphors that allude to think differently or with less constraints, seem to have an old history. For example, in 1888, [[The Annual Register]] records the phrase ''think outside the lines''.<ref>{{cite book |title=The Annual Register: a review of public events at home and abroad, for the year 1887. |date=1888 |location=London |publisher=Rivingtons, Waterloo Place |page=168 |url=https://books.google.com/books?id=_3tdAAAAIAAJ&pg=PP9&hl=en&sa=X&view=theater#v=onepage&q=%22think%20outside%20the%20lines%22&f=false |quote=[Lord Hartington] said that [...] the Liberal party became a one-man party, which scarcely ventured to '''think outside the lines''' prescribed by its dictator.}}</ref><ref>{{cite web |last1=O'Toole |first1=Garson |title=Antedating of "Outside the Box" |url=https://listserv.linguistlist.org/pipermail/ads-l/2010-May/098893.html |date=2010-05-03}}</ref>
The origin of the phrase is unclear. "Think beyond the boundary"-metaphors, that is, metaphors that allude to think differently or with less constraints, seem to have an old history. For example, in 1888, [[The Annual Register]] records the phrase ''think outside the lines''.<ref>{{cite book |title=The Annual Register: a review of public events at home and abroad, for the year 1887. |date=1888 |location=London |publisher=Rivingtons, Waterloo Place |page=168 |url=https://books.google.com/books?id=_3tdAAAAIAAJ&q=%22think+outside+the+lines%22&pg=PP9 |quote=[Lord Hartington] said that [...] the Liberal party became a one-man party, which scarcely ventured to '''think outside the lines''' prescribed by its dictator.}}</ref><ref>{{cite web |last1=O'Toole |first1=Garson |title=Antedating of "Outside the Box" |url=https://listserv.linguistlist.org/pipermail/ads-l/2010-May/098893.html |date=2010-05-03}}</ref>


{{multiple image
Since at least 1954, the nine dots puzzle (see below) has been used as a metaphor of the type "think beyond the boundary". Early phrasings include ''go outside the dots'' (1954),<ref>{{cite news |last1=Anderson |first1=John F. |title=Down to Earth |url=https://archives.dallasnews.com/uncategorized/IO_968f2bc4-5474-46df-ac8f-1b6b8a166d6b/ |work=Dallas Morning News |date=1954-10-30 |page=1 |quote=An instructor at M.I.T. began his course with a group of graduate students one day by walking to the blackboard and drawing nine dots in this fashion [...] We are not here to go through old routines. Don't let your thinking be contained in a small square of knowledge. Learn to '''go outside the dots''' and you may be the one to solve man's most puzzling problems.}}</ref><ref name=wordorigins>{{cite web |last1=Wilton |first1=David |title=think outside the box |url=https://www.wordorigins.org/big-list-entries/think-outside-the-box |website=Wordorigins.org |date=2021-07-19}}</ref> ''breakthrough thinking that gets outside the nine-dot square'' (1959),<ref>{{cite news |last1=Humphrey |first1=Hal |work=Detroit Free Press |page=41 |title=‘Breakthrough thinking’ gets outside 9-dot square |url=https://www.newspapers.com/image/98259134/ |url-access=subscription |date=1959-11-13 |quote=One of our biggest advertising agencies [writes] “Breakthrough thinking is the fresh approach, the new concept, that gets outside the nine-dot square.”}}</ref><ref>{{cite web |last1=Tréguer |first1=Pascal |title=‘to think outside the box’: meaning and origin |url=https://wordhistories.net/2021/04/28/think-outside-box/ |website=word histories |date=2021-04-28}}</ref> and ''what are the actual boundaries of the problem?'' (1963).<ref>{{cite news |last1=Platzer |first1=Norbert A. J. |work=The Springfield Union |page=52 |title=Incentiveness, Motivation, Training Needs of a Scientist |date=1963-04-18 |quote=[...] the next aplitude for creative thinking [is] defining the problem. We must ask ourselves: “What are the actual boundaries of the problem?” Perhaps some of you have seen this little problem before. Here are nine dots [...]. This teaches us, we should avoid imposing limitations that are not in our problem, as I told you before in the cases of [[Charles F. Kettering|Kettering]] and [[Walter Reppe|Reppe]].}}</ref>{{R|wordorigins}}
| width = 100
| image1 = 9dots.svg
| alt1 = Nine dots puzzle
| image2 = Ninedots.svg
| alt2 = Puzzle solution
| footer = The "nine dots" puzzle (left) has the goal of linking all 9 dots using four straight lines or less, without lifting the pen. Its solution (right) is to draw those lines "outside the box".
}}
Since at least 1954, the [[nine dots puzzle]] has been used as a metaphor of the type "think beyond the boundary". Early phrasings include ''go outside the dots'' (1954),<ref>{{cite news |last1=Anderson |first1=John F. |title=Down to Earth |url=https://archives.dallasnews.com/uncategorized/IO_968f2bc4-5474-46df-ac8f-1b6b8a166d6b/ |work=Dallas Morning News |date=1954-10-30 |page=1 |quote=An instructor at M.I.T. began his course with a group of graduate students one day by walking to the blackboard and drawing nine dots in this fashion [...] We are not here to go through old routines. Don't let your thinking be contained in a small square of knowledge. Learn to '''go outside the dots''' and you may be the one to solve man's most puzzling problems.}}</ref><ref name=wordorigins>{{cite web |last1=Wilton |first1=David |title=think outside the box |url=https://www.wordorigins.org/big-list-entries/think-outside-the-box |website=Wordorigins.org |date=2021-07-19}}</ref> ''breakthrough thinking that gets outside the nine-dot square'' (1959),<ref>{{cite news |last1=Humphrey |first1=Hal |work=Detroit Free Press |page=41 |title='Breakthrough thinking' gets outside 9-dot square |url=https://www.newspapers.com/image/98259134/ |url-access=subscription |date=1959-11-13 |quote=One of our biggest advertising agencies [writes] “Breakthrough thinking is the fresh approach, the new concept, that gets outside the nine-dot square.”}}</ref><ref>{{cite web |last1=Tréguer |first1=Pascal |title='to think outside the box': meaning and origin |url=https://wordhistories.net/2021/04/28/think-outside-box/ |website=word histories |date=2021-04-28}}</ref> and ''what are the actual boundaries of the problem?'' (1963).<ref>{{cite news |last1=Platzer |first1=Norbert A. J. |work=The Springfield Union |page=52 |title=Incentiveness, Motivation, Training Needs of a Scientist |date=1963-04-18 |quote=[...] the next aplitude for creative thinking [is] defining the problem. We must ask ourselves: “What are the actual boundaries of the problem?” Perhaps some of you have seen this little problem before. Here are nine dots [...]. This teaches us, we should avoid imposing limitations that are not in our problem, as I told you before in the cases of [[Charles F. Kettering|Kettering]] and [[Walter Reppe|Reppe]].}}</ref>{{R|wordorigins}} [[Norman Vincent Peale]] writes about this puzzle in a 1969 article for the [[Chicago Tribune]], quote:<ref>{{cite news |last=Peale |first=Norman Vincent |author-link=Norman Vincent Peale |date=1969-10-25 |title=Blackmail Is the Problem |url=https://newspaperarchive.com/chicago-tribune-oct-25-1969-p-13-335162371-fullpage.jpg |url-access=subscription |publisher=Chicago Tribune |page=[https://newspaperarchive.com/chicago-tribune-oct-25-1969-p-13-335162371-fullpage.jpg 13]}}</ref><ref>{{cite web |last1=Liberman |first1=Mark |author-link=Mark Liberman |date=2005-06-02 |title=Language Log: X-ing outside the Y |url=http://itre.cis.upenn.edu/~myl/languagelog/archives/002220.html}}</ref>{{quote|There is one particular puzzle you may have seen. It's a drawing of a box with some dots in it, and the idea is to connect all the dots by using only four lines. You can work on that puzzle, but the only way to solve it is to draw the lines so they connect outside the box. It's so simple once you realize the principle behind it. But if you keep trying to solve it inside the box, you'll never be able to master that particular puzzle.


That puzzle represents the way a lot of people think. They get caught up inside the box of their own lives. You've got to approach any problem objectively. Stand back and see it for exactly what it is. From a little distance, you can see it a lot more clearly. Try and get a different perspective, a fresh point of view. '''Step outside the box''' your problem has created within you and come at it from a different direction.
In 1969, [[Norman Vincent Peale]] writes this in an article for the [[Chicago Tribune]], quote:<ref>{{cite news |last=Peale |first=Norman Vincent |date=1969-10-25 |title=Blackmail Is the Problem |publisher=Chicago Tribune |page=[https://newspaperarchive.com/chicago-tribune-oct-25-1969-p-13-335162371-fullpage.jpg 13] |author-link=Norman Vincent Peale| url=https://newspaperarchive.com/chicago-tribune-oct-25-1969-p-13-335162371-fullpage.jpg|url-access=subscription}}</ref><ref>{{cite web |last1=Liberman |first1=Mark |author-link=Mark Liberman |title=Language Log: X-ing outside the Y |date=2005-06-02 |url=http://itre.cis.upenn.edu/~myl/languagelog/archives/002220.html}}</ref>


All of a sudden, just like the puzzle, you'll see how to handle your problem. And just like the four lines that connect all the dots, you'll discover the course of action that's just right in order to set your life straight.}}
[[File:9dots.svg|thumb|right|The "nine dots" puzzle. The goal of the puzzle is to link all 9 dots using four straight lines or less, without lifting the pen. The solution can be found further down in this article.<!-- Note: don't spoil it to the reader right away -->]]
: There is one particular puzzle you may have seen. It's a drawing of a box with some dots in it, and the idea is to connect all the dots by using only four lines. You can work on that puzzle, but the only way to solve it is to draw the lines so they connect outside the box. It's so simple once you realize the principle behind it. But if you keep trying to solve it inside the box, you'll never be able to master that particular puzzle.
:
: That puzzle represents the way a lot of people think. They get caught up inside the box of their own lives. You've got to approach any problem objectively. Stand back and see it for exactly what it is. From a little distance, you can see it a lot more clearly. Try and get a different perspective, a fresh point of view. '''Step outside the box''' your problem has created within you and come at it from a different direction.
:
: All of a sudden, just like the puzzle, you'll see how to handle your problem. And just like the four lines that connect all the dots, you'll discover the course of action that's just right in order to set your life straight.


In 1970, the phrase ''think outside the dots'' appears without mentioning the nine dots puzzle.<ref>{{cite news |last1=Westell |first1=Anthony |title=Canada Entering Big League In Research |url=https://www.newspapers.com/image/43253372/ |url-access=subscription |work=Ottawa Journal |date=1970-05-23 |page=7 |quote=The problem, says William Dav[i]d Hopper, is to '''think “outside the dots"''' about the questions of how to feed a hungry world. He means that the need is to think imaginatively, creatively, about the development of less-developed countries, and not merely to keep pouring more money and technology into patterns of foreign aid established, not very successfully, over the past 20 years.}}</ref>{{R|wordorigins}}
In 1970, the phrase ''think outside the dots'' appears without mentioning the nine dots puzzle.<ref>{{cite news |last1=Westell |first1=Anthony |title=Canada Entering Big League In Research |url=https://www.newspapers.com/image/43253372/ |url-access=subscription |work=Ottawa Journal |date=1970-05-23 |page=7 |quote=The problem, says William Dav[i]d Hopper, is to '''think “outside the dots"''' about the questions of how to feed a hungry world. He means that the need is to think imaginatively, creatively, about the development of less-developed countries, and not merely to keep pouring more money and technology into patterns of foreign aid established, not very successfully, over the past 20 years.}}</ref>{{R|wordorigins}}


Finally, in 1971, the specific phrase ''think outside the box'' is attested, again appearing together with the nine dots puzzle.<ref>{{cite magazine |last1=Notaro |first1=Michael R. |title=Management of Personnel: Organization Patterns and Techniques |url=https://archive.org/details/sim_information-executive_1971-09_9_9/page/76 |page=[https://archive.org/details/sim_information-executive_1971-09_9_9/page/76 76] |work=Data Management |volume=9/#9 |publisher=Data Processing Management Organization |date=1971}}</ref><ref>{{cite web |title=box, n.2 |url=https://www.oed.com/view/Entry/22297?redirectedFrom=think+outside+the+box#eid1294628220 |website=OED Online |publisher=Oxford University Press}}</ref> In 1976, the phrase is used in England<ref>{{cite news |last=Hall |first=David |date=1976-07-18 |title=Ex officer's strategy for business success |publisher=Sunday Telegraph |page=[https://www.newspapers.com/image/750596070/?terms=%22think%20outside%20the%20box%22&match=1 24] | url=https://www.newspapers.com/image/750596070/?terms=%22think%20outside%20the%20box%22&match=1|url-access=subscription|quote=[...] it is abundantly clear that Service people can turn their hand to many jobs provided they can think “outside the box.”}}</ref> and 1978 in the USA<ref><!-- Note: the original print might be found in the San Francisco Chronicle, but I can't locate it. The following appears to be a syndicated version. -->{{cite news |last=Robert S. |first=Mendelsohn |date=1978-03-31 |title=People's Doctor |publisher=The Newark Advocate |page=[https://www.newspapers.com/image/288820411/?terms=%22think%20outside%20the%20box%22&match=1 10] | url=https://www.newspapers.com/image/288820411/?terms=%22think%20outside%20the%20box%22&match=1 |url-access=subscription|author-link=Robert S. Mendelsohn |quote=Some of my best teachers have been those who utilize the techniques of shock and surprise to rouse me out of conventional habits of thought, forcing me to question accepted teaching and stimulating me to think “outside the box.”}}</ref>, both without mentioning the nine dots puzzle.
Finally, in 1971, the specific phrase ''think outside the box'' is attested, again appearing together with the nine dots puzzle.<ref>{{cite magazine |last1=Notaro |first1=Michael R. |title=Management of Personnel: Organization Patterns and Techniques |url=https://archive.org/details/sim_information-executive_1971-09_9_9/page/76 |page=[https://archive.org/details/sim_information-executive_1971-09_9_9/page/77 77] |magazine=Data Management |volume=9/#9 |publisher=Data Processing Management Organization |date=1971}}</ref><ref>{{cite web |title=box, n.2 |url=https://www.oed.com/view/Entry/22297?redirectedFrom=think+outside+the+box#eid1294628220 |website=OED Online |publisher=Oxford University Press}}</ref> In 1976, the phrase is used in England<ref>{{cite news |last=Hall |first=David |date=1976-07-18 |title=Ex officer's strategy for business success |publisher=Sunday Telegraph |page=[https://www.newspapers.com/image/750596070/?terms=%22think%20outside%20the%20box%22&match=1 24] | url=https://www.newspapers.com/image/750596070/?terms=%22think%20outside%20the%20box%22&match=1|url-access=subscription|quote=[...] it is abundantly clear that Service people can turn their hand to many jobs provided they can think “outside the box.”}}</ref> and 1978 in the USA,<ref><!-- Note: the original print might be found in the San Francisco Chronicle, but I can't locate it. The following appears to be a syndicated version. -->{{cite news |last=Robert S. |first=Mendelsohn |date=1978-03-31 |title=People's Doctor |publisher=The Newark Advocate |page=[https://www.newspapers.com/image/288820411/?terms=%22think%20outside%20the%20box%22&match=1 10] | url=https://www.newspapers.com/image/288820411/?terms=%22think%20outside%20the%20box%22&match=1 |url-access=subscription|author-link=Robert S. Mendelsohn |quote=Some of my best teachers have been those who utilize the techniques of shock and surprise to rouse me out of conventional habits of thought, forcing me to question accepted teaching and stimulating me to think “outside the box.”}}</ref> both without mentioning the nine dots puzzle.


Beyond the above attestations, there are several unconfirmed accounts of how the phrase got introduced. According to [[Martin Kihn]], it goes back to management consultants in the 1970s and 1980s challenging their clients to solve the "nine dots" puzzle.<ref name=":0">Kihn, Martin. [http://www.fastcompany.com/magazine/95/debunk.html "'Outside the Box': the Inside Story,"] ''FastCompany'' 1995</ref> According to [[John Adair (author)|John Adair]], he introduced the nine dots puzzle in 1969, from which the saying comes.<ref>{{cite book | last = Adair | first = John | title = The art of creative thinking how to be innovative and develop great ideas | url = https://archive.org/details/artcreativethink00adai | url-access = limited | publisher = Kogan Page | location = London Philadelphia | year = 2007 | isbn = 9780749452186 | page = [https://archive.org/details/artcreativethink00adai/page/n137 127] }}</ref> According to The Creative Thinking Association of America, Mike Vance popularized the phrase "thinking out of the box".<ref>[http://www.creativethinkingassoc.com/mikevance.html Biography of Mike Vance] at Creative Thinking Association of America.</ref> Moreover, it is claimed that the use of the nine-dot puzzle in consultancy circles stems from the [[corporate culture]] of the [[Walt Disney Company]], where the puzzle was used in-house.{{cn|date=August 2022}}<!-- See Wikipedia edit by Dfh88k from 2007, who may be an insider: https://en.wikipedia.org/enwiki/w/index.php?title=Thinking_outside_the_box&diff=prev&oldid=152839652 -->
Beyond the above attestations, there are several unconfirmed accounts of how the phrase got introduced. According to [[Martin Kihn]], it goes back to management consultants in the 1970s and 1980s challenging their clients to solve the "nine dots" puzzle.<ref name=":0">Kihn, Martin. [http://www.fastcompany.com/magazine/95/debunk.html "'Outside the Box': the Inside Story,"] ''FastCompany'' 1995</ref> According to [[John Adair (author)|John Adair]], he introduced the nine dots puzzle in 1969, from which the saying comes.<ref>{{cite book | last = Adair | first = John | title = The art of creative thinking how to be innovative and develop great ideas | url = https://archive.org/details/artcreativethink00adai | url-access = limited | publisher = Kogan Page | location = London Philadelphia | year = 2007 | isbn = 9780749452186 | page = [https://archive.org/details/artcreativethink00adai/page/n137 127] }}</ref> It is claimed that the use of the nine-dot puzzle in consultancy circles stems from the [[corporate culture]] of the [[Walt Disney Company]], where the puzzle was used in-house.{{cn|date=August 2022}}<!-- See Wikipedia edit by Dfh88k from 2007, who may be an insider: https://en.wikipedia.org/enwiki/w/index.php?title=Thinking_outside_the_box&diff=prev&oldid=152839652 -->

== Nine dots puzzle ==

[[File:9dots.svg|thumb|right|upright|The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or less, without lifting the pen.]]
The ''nine dots puzzle'' is a [[mathematical puzzle]] whose task is to connect nine squarely arranged points with a pencil by four (or less) straight lines without lifting the pencil and without retracing any lines.

The puzzle has appeared under various other names over the years. Currently, the most popular name appears to be ''nine dots puzzle''.{{cn|date=August 2022}}

=== History ===

In 1907, [[Sam Loyd]] explains in an interview in [[The Strand Magazine]]:<ref>{{cite magazine |last1=Bain |first1=George Grantham |author-link=George Grantham Bain |title=The Prince of Puzzle-Makers. An Interview with Sam Loyd. |work=[[The Strand Magazine]] |date=1907 |page=[https://archive.org/details/TheStrandMagazineAnIllustratedMonthly/TheStrandMagazine1907bVol.XxxivJul-dec/page/n783 775] |url=https://archive.org/details/TheStrandMagazineAnIllustratedMonthly/TheStrandMagazine1907bVol.XxxivJul-dec/page/n783}}</ref>{{R|singmaster}}

[[Image:TheStrandMagazine1907bColombusEgg.jpg|thumb|The Columbus Egg Puzzle as it appeared in [[The Strand Magazine]] in 1907.]]
: “[...] Suddenly a puzzle came into my mind and I sketched it for him. Here it is. [...] The problem is to draw straight lines to connect these eggs in the smallest possible number of strokes. The lines may pass through one egg twice and may cross. I called it the Columbus Egg Puzzle.”

In the same year, the puzzle also appeared in A. Cyril Pearson's puzzle book. It was there named ''a charming puzzle'' and involved nine dots.<ref>{{cite book |last1=Pearson |first1=A. Cyril Pearson |title=The Twentieth Century Standard Puzzle Book |year=1907 |url=https://www.gutenberg.org/files/63884/63884-h/63884-h.htm#PageI36 |page=36}}</ref>{{R|singmaster}}

[[File:Eggpuzzle.jpg|thumb|''Christopher Columbus' Egg Puzzle'' as it appeared in [[Sam Loyd]]'s ''Cyclopedia of Puzzles'']]
In 1914, in [[Sam Loyd]]'s ''Cyclopedia of Puzzles'', the same puzzle is explained as follows:<ref>Sam Loyd, ''[http://www.mathpuzzle.com/loyd/cop300-301.html Cyclopedia of Puzzles]''. (The Lamb Publishing Company, 1914)</ref>{{R|singmaster}}

: The funny old King is now trying to work out a second puzzle, which is to draw a continuous line through the center of all of the eggs so as to mark them off in the fewest number of strokes. King Puzzlepate performs the feat in six strokes, but from Tommy's expression we take it to be a very stupid answer, so we expect our clever puzzlists to do better; [...]

Sam Loyd's naming of the puzzle is an allusion to the story of [[Egg of Columbus]].<ref name=mathpuzzle>[http://www.mathpuzzle.com/loyd/cop300-301.html Facsimile from ''Cyclopedia of Puzzles'' - Columbus's Egg Puzzle is on right-hand page]</ref>

In the 1941 compilation ''The Puzzle-Mine: Puzzles Collected from the Works of the Late [[Henry Ernest Dudeney]]'', the puzzle is attributed to Dudeney himself and not Loyd.<ref>J. Travers, ''The Puzzle-Mine: Puzzles Collected from the Works of the Late Henry Ernest Dudeney''. (Thos. Nelson, 1941)</ref>{{Page needed|date=August 2022}}

=== Solution ===

[[File:Ninedots.svg|thumb|upright|One solution of the Colombus Egg Puzzle.]]
It is possible to mark off the nine dots in four lines.<ref>{{cite web |title=Sam Loyd's Cyclopedia of 5000 Puzzles, Tricks, and Conundrums With Answers |url=https://archive.org/details/CyclopediaOfPuzzlesLoyd/page/n191 |date=1914 |page=[https://archive.org/details/CyclopediaOfPuzzlesLoyd/page/n191 380]}}</ref> To do so, one goes outside the confines of the square area defined by the nine dots themselves. The phrase "thinking outside the box" is a restatement of the solution strategy. According to Daniel Kies, the puzzle seems hard because we commonly imagine [[Convex hull|a boundary around the edge]] of the dot array.<ref>Daniel Kies, [http://papyr.com/hypertextbooks/comp2/9dots.htm "English Composition 2: Assumptions: Puzzle of the Nine Dots"], retr. Jun. 28, 2009.</ref>

The inherent difficulty of the puzzle has been studied in [[experimental psychology]].<ref>{{cite journal|last1=Maier|first1=Norman R. F.|last2=Casselman|first2=Gertrude G. |title=Locating the Difficulty in Insight Problems: Individual and Sex Differences|journal=Psychological Reports|date=1 February 1970|volume=26|issue=1|pages=103–117|doi=10.2466/pr0.1970.26.1.103|pmid=5452584|s2cid=43334975}}</ref><ref>{{cite journal|last=Lung|first=Ching-tung|author2=Dominowski, Roger L. |title=Effects of strategy instructions and practice on nine-dot problem solving.|journal=Journal of Experimental Psychology: Learning, Memory, and Cognition|date=1 January 1985|volume=11|issue=4|pages=804–811|doi=10.1037/0278-7393.11.1-4.804}}</ref>

=== Generalization ===

If, instead of the 3-by-3 [[square lattice]], we consider the {{math|''n''}}-by-{{math|''n''}} square lattice, then what is the least amount of lines needed to connect the dots without lifting the pen? Or, stated in mathematical terminology, what is the minimum-[[line segments|segment]] [[wikt:unicursal|unicursal]] [[polygonal chain|polygonal path]] on the {{math|''n'' × ''n''}} array of dots?

Various such extensions were stated as puzzles by [[Henry Dudeney|Dudeney]] and [[Sam Loyd|Loyd]] with different added constraints.<ref name=gardner>{{cite web |last2=Gardner |first2=Martin |author-link2=Martin Gardner |last1=Dudeney |first1=Henry |author-link1=Henry Dudeney |date=1967 |title=536 Puzzles And Curious Problems |page=376 |url=https://archive.org/details/536PuzzlesAndCuriousProblems/page/n375}}</ref>

In 1955, [[Murray S. Klamkin]] showed that if {{math|''n'' > 2}}, then {{math|2''n'' - 2}} line segments are [[necessity and sufficiency|sufficient]] and conjectured that it's necessary too.<ref>{{cite journal |last1=Klamkin |first1=M. S. |author-link=Murray S. Klamkin |title=Polygonal Path Covering a Square Lattice (E1123) |journal=The American Mathematical Monthly |date=1955-02-01 |volume=62 |issue=2 |page=124 |doi=10.2307/2308156}}</ref>{{R|gardner}} In 1956, the conjecture was proven by [[John Selfridge]].<ref>{{cite journal |last1=Selfridge |first1=John |title=Polygonal Path Covering a Square Lattice (E1123, Addentum) |journal=The American Mathematical Monthly |date=June 1955 |volume=62 |issue=6 |page=443 |doi=10.2307/2307008}}</ref>{{R|gardner}}<ref name=singmaster>{{cite web |last1=Singmaster |first1=David |author-link=David Singmaster |title=Sources In Recreational Mathematics, An Annotated Bibliography (8th preliminary edition): 6.AK. Polygonal Path Covering N X N Lattice Of Points, Queen's Tours, etc. |url=https://www.puzzlemuseum.com/singma/singma6/SOURCES/singma-sources-edn8-2004-03-19.htm#_Toc69534017 |website=www.puzzlemuseum.com |date=2004-03-19}}</ref>

In 1970, [[Solomon W. Golomb]] and [[John Selfridge]] showed that the unicursal polygonal path of {{math|2''n'' - 2}} segments exists on the {{math|''n'' × ''n''}} array for all {{math|''n'' > 3}} with the further constraint that the path be ''closed'', i.e., it starts and ends at the same point.{{R|gardner}} Moreover, the further constraint that the closed path remain within the [[convex hull]] of the array of dots can be satisfied for all {{math|''n'' > 5}}. Finally, various results for the {{math|''a'' × ''b''}} array of dots are proven.<ref>{{cite journal |last1=Golomb |first1=Solomon W. |author-link1=Solomon W. Golomb |last2=Selfridge |first2=John L. |author-link2=John Selfridge |title=Unicursal Polygonal Paths And Other Graphs On Point Lattices |journal=Pi Mu Epsilon Journal |date=1970 |volume=5 |issue=3 |pages=107–117 |url=https://www.jstor.org/stable/24344915 |issn=0031-952X}}</ref>

=== The single straight line solution ===

[[File:nine_dots_puzzle_roll.svg|thumb|upright|Solution by rolling the paper]]
Thinking outside of the sheet of paper, we can connect the dots with a single straight line. To do so, cone the paper three-dimensionally, aligning the dots along a spiral, thus a single line can be drawn connecting all nine dots&mdash;which would appear as three lines in parallel on the paper, when flattened out.<ref>W. Neville Holmes, [http://eprints.utas.edu.au/2000 Fashioning a Foundation for the Computing Profession], July 2000</ref>

===The Nine Dots Prize===
The Nine Dots Prize, named after the puzzle,<ref>{{cite web |title=The Nine Dots Prize Identity |url=https://ruddstudio.com/project/the-nine-dots-prize-identity/ |website=Rudd Studio |access-date=19 November 2018}}</ref> is a competition-based prize for "creative thinking that tackles contemporary societal issues."<ref>{{cite web |title=Home |url=https://ninedotsprize.org/ |website=The Nine Dots Prize |publisher=Kadas Prize Foundation |access-date=19 November 2018}}</ref> It is sponsored by the Kadas Prize Foundation and supported by the [[Cambridge University Press]] and the [[Centre for Research in the Arts, Social Sciences and Humanities]] at the [[University of Cambridge]].<ref>{{cite web |title=Nine Dots Prize |url=http://www.crassh.cam.ac.uk/programmes/nine-dots-prize |website=CRASSH |publisher=The University of Cambridge |access-date=19 November 2018}}</ref>


==See also==
==See also==
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|first1=M.
|first1=M.
|last1=Scheerer
|last1=Scheerer
|year=1972
|year=1963
|title=Problem-solving
|title=Problem-solving
|journal=[[Scientific American]]
|journal=[[Scientific American]]
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|doi=10.1038/scientificamerican0463-118
|doi=10.1038/scientificamerican0463-118
|pmid=13986996
|pmid=13986996
|bibcode=1963SciAm.208d.118S
}}
}}
*{{cite journal
*{{cite journal
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* [http://www.phrases.org.uk/bulletin_board/29/messages/1149.html Out-of-the-box vs. outside the box] citing Oxford Advanced Learners Dictionary (OALD), Word of the Month
* [http://www.phrases.org.uk/bulletin_board/29/messages/1149.html Out-of-the-box vs. outside the box] citing Oxford Advanced Learners Dictionary (OALD), Word of the Month


[[Category:Problem solving skills]]
[[Category:Creativity]]
[[Category:Creativity]]
[[Category:Problem solving skills]]
[[Category:Systems thinking]]
[[Category:Systems thinking]]

Latest revision as of 09:34, 11 October 2024

Thinking outside the box (also thinking out of the box[1][2] or thinking beyond the box and, especially in Australia, thinking outside the square[3]) is an idiom that means to think differently, unconventionally, or from a new perspective. The phrase also often refers to novel or creative thinking.

History

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The origin of the phrase is unclear. "Think beyond the boundary"-metaphors, that is, metaphors that allude to think differently or with less constraints, seem to have an old history. For example, in 1888, The Annual Register records the phrase think outside the lines.[4][5]

Nine dots puzzle
Puzzle solution
The "nine dots" puzzle (left) has the goal of linking all 9 dots using four straight lines or less, without lifting the pen. Its solution (right) is to draw those lines "outside the box".

Since at least 1954, the nine dots puzzle has been used as a metaphor of the type "think beyond the boundary". Early phrasings include go outside the dots (1954),[6][7] breakthrough thinking that gets outside the nine-dot square (1959),[8][9] and what are the actual boundaries of the problem? (1963).[10][7] Norman Vincent Peale writes about this puzzle in a 1969 article for the Chicago Tribune, quote:[11][12]

There is one particular puzzle you may have seen. It's a drawing of a box with some dots in it, and the idea is to connect all the dots by using only four lines. You can work on that puzzle, but the only way to solve it is to draw the lines so they connect outside the box. It's so simple once you realize the principle behind it. But if you keep trying to solve it inside the box, you'll never be able to master that particular puzzle.

That puzzle represents the way a lot of people think. They get caught up inside the box of their own lives. You've got to approach any problem objectively. Stand back and see it for exactly what it is. From a little distance, you can see it a lot more clearly. Try and get a different perspective, a fresh point of view. Step outside the box your problem has created within you and come at it from a different direction.

All of a sudden, just like the puzzle, you'll see how to handle your problem. And just like the four lines that connect all the dots, you'll discover the course of action that's just right in order to set your life straight.

In 1970, the phrase think outside the dots appears without mentioning the nine dots puzzle.[13][7]

Finally, in 1971, the specific phrase think outside the box is attested, again appearing together with the nine dots puzzle.[14][15] In 1976, the phrase is used in England[16] and 1978 in the USA,[17] both without mentioning the nine dots puzzle.

Beyond the above attestations, there are several unconfirmed accounts of how the phrase got introduced. According to Martin Kihn, it goes back to management consultants in the 1970s and 1980s challenging their clients to solve the "nine dots" puzzle.[18] According to John Adair, he introduced the nine dots puzzle in 1969, from which the saying comes.[19] It is claimed that the use of the nine-dot puzzle in consultancy circles stems from the corporate culture of the Walt Disney Company, where the puzzle was used in-house.[citation needed]

See also

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References

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  1. ^ "box - definition of box in English - Oxford Dictionaries". Archived from the original on November 21, 2016. Retrieved 21 November 2016.
  2. ^ "think outside the box - Definition, meaning & more - Collins Dictionary". Retrieved 21 November 2016.
  3. ^ "Thinking Outside The Square". Retrieved 21 November 2016.
  4. ^ The Annual Register: a review of public events at home and abroad, for the year 1887. London: Rivingtons, Waterloo Place. 1888. p. 168. [Lord Hartington] said that [...] the Liberal party became a one-man party, which scarcely ventured to think outside the lines prescribed by its dictator.
  5. ^ O'Toole, Garson (2010-05-03). "Antedating of "Outside the Box"".
  6. ^ Anderson, John F. (1954-10-30). "Down to Earth". Dallas Morning News. p. 1. An instructor at M.I.T. began his course with a group of graduate students one day by walking to the blackboard and drawing nine dots in this fashion [...] We are not here to go through old routines. Don't let your thinking be contained in a small square of knowledge. Learn to go outside the dots and you may be the one to solve man's most puzzling problems.
  7. ^ a b c Wilton, David (2021-07-19). "think outside the box". Wordorigins.org.
  8. ^ Humphrey, Hal (1959-11-13). "'Breakthrough thinking' gets outside 9-dot square". Detroit Free Press. p. 41. One of our biggest advertising agencies [writes] "Breakthrough thinking is the fresh approach, the new concept, that gets outside the nine-dot square."
  9. ^ Tréguer, Pascal (2021-04-28). "'to think outside the box': meaning and origin". word histories.
  10. ^ Platzer, Norbert A. J. (1963-04-18). "Incentiveness, Motivation, Training Needs of a Scientist". The Springfield Union. p. 52. [...] the next aplitude for creative thinking [is] defining the problem. We must ask ourselves: "What are the actual boundaries of the problem?" Perhaps some of you have seen this little problem before. Here are nine dots [...]. This teaches us, we should avoid imposing limitations that are not in our problem, as I told you before in the cases of Kettering and Reppe.
  11. ^ Peale, Norman Vincent (1969-10-25). "Blackmail Is the Problem". Chicago Tribune. p. 13.
  12. ^ Liberman, Mark (2005-06-02). "Language Log: X-ing outside the Y".
  13. ^ Westell, Anthony (1970-05-23). "Canada Entering Big League In Research". Ottawa Journal. p. 7. The problem, says William Dav[i]d Hopper, is to think "outside the dots" about the questions of how to feed a hungry world. He means that the need is to think imaginatively, creatively, about the development of less-developed countries, and not merely to keep pouring more money and technology into patterns of foreign aid established, not very successfully, over the past 20 years.
  14. ^ Notaro, Michael R. (1971). "Management of Personnel: Organization Patterns and Techniques". Data Management. Vol. 9/#9. Data Processing Management Organization. p. 77.
  15. ^ "box, n.2". OED Online. Oxford University Press.
  16. ^ Hall, David (1976-07-18). "Ex officer's strategy for business success". Sunday Telegraph. p. 24. [...] it is abundantly clear that Service people can turn their hand to many jobs provided they can think "outside the box."
  17. ^ Robert S., Mendelsohn (1978-03-31). "People's Doctor". The Newark Advocate. p. 10. Some of my best teachers have been those who utilize the techniques of shock and surprise to rouse me out of conventional habits of thought, forcing me to question accepted teaching and stimulating me to think "outside the box."
  18. ^ Kihn, Martin. "'Outside the Box': the Inside Story," FastCompany 1995
  19. ^ Adair, John (2007). The art of creative thinking how to be innovative and develop great ideas. London Philadelphia: Kogan Page. p. 127. ISBN 9780749452186.

Further reading

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