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Random number generation and creativity.

William Bains1

  • 1Rufus Scientific, 37 The Moor, Melbourn, Royston, Herts SG8 6ED, United Kingdom. william@rufus-scientific.com

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Humans cannot generate truly random numbers, even with effort. Distractions like alcohol or speaking another language did not impact the non-randomness of human-generated sequences, suggesting a basic cognitive function.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • Previous research suggested humans could generate random numbers.
  • Human-generated sequences often exhibit non-random patterns, such as an excess of sequential pairs and a deficit of repeats.
  • Prior studies indicated that conscious effort enhances randomness, while distractions reduce it.

Purpose of the Study:

  • To test the hypothesis that humans can generate genuinely random numbers.
  • To investigate the effect of reduced conscious effort on the randomness of human-generated number sequences.
  • To explore the underlying cognitive mechanisms of human number generation and its relation to creativity.

Main Methods:

  • Recruited a large group of highly numerate subjects to generate sequences of digits (0-9).
  • Introduced distractions, including speaking in another language and alcohol consumption, to reduce conscious effort.
  • Analyzed generated sequences for statistical randomness, comparing patterns to previous literature.

Main Results:

  • Sequences generated by subjects were substantially non-random.
  • Reduced concentration (via language or alcohol) did not significantly alter the non-randomness of the sequences.
  • Findings contradict previous literature suggesting distractions reduce randomness.

Conclusions:

  • The ability to generate random numbers appears to be a basic cognitive function, irrespective of mathematical randomness.
  • A hypothesized 'creativity' mechanism may provide novelty, potentially defending against rigid cognitive loops.
  • Further research into number familiarity and creativity could elucidate this process, with potential implications for enhancing creativity through random generation training.