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2014 | OriginalPaper | Buchkapitel

5. Understand the Problem

verfasst von : Edwin F. Meyer III, Nickolas Falkner, Raja Sooriamurthi, Zbigniew Michalewicz

Erschienen in: Guide to Teaching Puzzle-based Learning

Verlag: Springer London

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Abstract

In this chapter we look at one of the biggest stumbling blocks for students and teachers alike: working out what the problem actually is so that we can solve the right problem. When approaching puzzles, some people feel overwhelmed because they can’t even start on a path to a solution. We show you in this chapter that with some preparation and practice, most people will be able to make a good start on even the most (initially) overwhelming puzzles!

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Fußnoten
1
Deus ex machina is a Latin phrase that means “god from the machine” and was used to indicate where, in a story or play, the author had solved an apparently insoluble problem by bringing in a previously unseen character, fact, or (in some cases) machine to suddenly solve the problem.
 
3
The pigeonhole principle says that if you have a number, p, of pigeonholes and you have p + 1 things to put in there, at least one pigeonhole has more than one item in it.
 
4
Sometimes it helps to have a soccer ball in the classroom if students are really stuck because then they can manipulate the object in space as they think about it.
 
5
For more advanced discussion of this, we need to look at statistics. In statistics, you will read discussions of Type I errors and Type II errors, which represent the false positive and false negative, respectively. Incorrectly accepting an alternative hypothesis that is not true is a false positive, where failing to reject an incorrect null hypothesis is a Type II error.
 
6
The kerf is the slit made by cutting the wood and normally would remove a small amount of the wood. In this case, we’re ignoring it as it doesn’t add anything to the puzzle. Amateur woodworkers do so in the real world at their own peril!
 
Metadaten
Titel
Understand the Problem
verfasst von
Edwin F. Meyer III
Nickolas Falkner
Raja Sooriamurthi
Zbigniew Michalewicz
Copyright-Jahr
2014
Verlag
Springer London
DOI
https://doi.org/10.1007/978-1-4471-6476-0_5

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