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Description

Kappenball: A mathematical theory of procrastination

If you want to complete a task, should you do it now or should you put it off until tomorrow? Despite being told to not delay tasks, many of us are deadline driven. Why is this?

Kappenball is a simple game that illustrates that this behaviour can be optimal. It is inspired by an example in stochastic optimal control by Bert Kappen. The game is as follows: you need to place a falling balloon into one of two holes, but if the balloon misses the holes it will pop on pins placed in the ground. In 'deterministic mode', the balloon falls straight towards the ground and the game is easy. You simply choose which hole to place the ball in, and you can start to place it there as soon as the ball appears at the top of the screen. The game becomes more interesting as you increase the uncertainty. In Kappenball, the uncertainty takes the form of the balloon being blown left and right as it falls. This movement means that it is not sensible to decide early on which hole to place the balloon in. A better strategy is to wait and see which hole the ball falls towards. You can then place it in that hole using less energy than in deterministic mode. Sometimes, the ball even falls into the hole on its own, and you don't have to expend any energy, but it requires some skill to judge when you need to intervene. For this system Bert Kappen has shown mathematically that the best solution is to wait until the ball is close to the hole before you push it in. In other words, you should be deadline driven.

Ratings and Reviews

Great game

martamilo

Very good game and great teaching tool

Information

Seller
Department of Computer Science University of Sheffield
Size
823.3 KB
Category
Games
Compatibility
Requires iOS 6.0 or later. Compatible with iPhone, iPad and iPod touch.
Languages
English
Age Rating
Rated 4+
Copyright
© Department of Computer Science - University of Sheffield
Price
Free

Supports

  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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