Human performance on the traveling salesman problem

@article{MacGregor1996HumanPO,
  title={Human performance on the traveling salesman problem},
  author={James N. MacGregor and Thomas C. Ormerod},
  journal={Perception \& Psychophysics},
  year={1996},
  volume={58},
  pages={527-539}
}
Two experiments on performance on the traveling salesman problem (TSP) are reported. The TSP consists of finding the shortest path through a set of points, returning to the origin. It appears to be an intransigent mathematical problem, and heuristics have been developed to find approximate solutions. The first experiment used 10-point, the second, 20-point problems. The experiments tested the hypothesis that complexity of TSPs is a function of number of nonboundary points, not total number of… 

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