Certain configurations of the travelling salesman problem are uniquely difficult for humans to solve.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Evidence from spatial problem-solving studies shows that certain structural and environmental configurations of the travelling salesperson problem, such as multilevel layouts, present unique difficulties for human navigation and decision-making.

The analysis

The claim is specific and empirically testable regarding human performance on variations of the travelling salesperson problem. Papers 2 and 8 provide direct empirical evidence that layout configurations (such as regularity, clustering, and vertical vs. horizontal dimensions in multilevel spaces) uniquely impact human solution quality and difficulty, thus supporting the claim.

Evidence for · 2

Spatial and Contextual Factors in Human Performance on the Travelling Salesperson Problem

Recorded source metadata

James N MacGregor, Thomas C Ormerod, Edward P Chronicle. Spatial and Contextual Factors in Human Performance on the Travelling Salesperson Problem. 1999. https://doi.org/10.1068/p2863

Paper 2 demonstrates how spatial layout factors like regularity and point clusters uniquely influence human perceptual processing and performance on the travelling salesperson problem.

Source citation format

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More for · 1

Human Navigation in a Multilevel Travelling Salesperson Problem

Recorded source metadata

Panos Mavros, Michael van Eggermond, Christoph Hoelscher. Human Navigation in a Multilevel Travelling Salesperson Problem. 2022. https://doi.org/10.31234/osf.io/4sv5w

Paper 8 shows that human performance significantly drops in multilevel travelling salesperson problems compared to standard Euclidean configurations, demonstrating that certain configurations are uniquely difficult.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8501 Aug 2026

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