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Volume 3 Issue 2, February 2019

Volume 3 Issue 2

Collective knowledge formation

An analysis of all Wikimedia projects in all languages reveals deep structural inequality: a small number of editors have a disproportionately large influence on the formation of collective knowledge.

See Yun et al.

Cover image: Jinhyuk Yun (KISTI), Sang Hoon Lee (GNTECH), and Hawoong Jeong (KAIST). Cover design: Bethany Vukomanovic.

Editorial

  • Editorial |

    Participatory knowledge creation on platforms such as Wikipedia has revealed the enormous democratizing potential of the Internet. It has also exposed its limitations.

Comment & Opinion

  • Comment |

    Scientific research on consciousness is critical to multiple scientific, clinical, and ethical issues. The growth of the field could also be beneficial to several areas including neurology and mental health research. To achieve this goal, we need to set funding priorities carefully and address problems such as job creation and potential media misrepresentation.

    • Matthias Michel
    • Diane Beck
    • Masatoshi Yoshida

    Nature Outlook:

Research Highlights

News & Views

  • News & Views |

    Privacy regulations for online platforms allow users to control their personal data. But what happens when our private attributes or behaviour can be inferred without our personal data? Researchers reveal that the behaviour of individuals is predictable using only the information provided by their friends in an online social network.

    • David Garcia

Reviews

  • Review Article |

    Paranoia is not only a symptom of mental disorder, but may also function as part of normal human psychology. Raihani and Bell review the evidence for an evolutionary account of paranoia in which between-group competition favours the development of psychological mechanisms to avoid social threat.

    • Nichola J. Raihani
    • Vaughan Bell

Research

  • Letter |

    An individual’s social ties contain up to 95% of the potential predictive accuracy achievable about that individual. In principle, a social platform may therefore profile an individual from their ties only, without access to their data.

    • James P. Bagrow
    • Xipei Liu
    • Lewis Mitchell
  • Letter |

    Data from three diverse post-conflict societies show that individuals with greater war exposure, several years later, were more likely to participate in religious groups and rituals. This reveals a link from violent conflict to religiosity.

    • Joseph Henrich
    • Michal Bauer
    • Benjamin Grant Purzycki
  • Letter |

    Bocanegra and colleagues present a new variation of the Raven intelligence test, an established measure of cognitive function; better performance on this new version, which allows problem-solving to be externalized, is associated with students’ success in exams.

    • Bruno R. Bocanegra
    • Fenna H. Poletiek
    • Andy Clark
  • Article |

    This scoping review identified, summarized and critiqued 15 ontologies related to human behaviour change. The review finds that no existing ontology covers the breadth of human behaviour change and identifies the need for an intervention ontology.

    • Emma Norris
    • Ailbhe N. Finnerty
    • Susan Michie
  • Article |

    Adolescents regularly use digital technology, but its impact on their psychological well-being is unclear. Here, the authors examine three large datasets and find only a small negative association: digital technology use explains at most 0.4% of well-being.

    • Amy Orben
    • Andrew K. Przybylski
  • Article |

    When do groups exhibit collective ‘wisdom’ vs maladaptive ‘herding’? Toyokawa et al. use modelling and experimentation to show that crowd intelligence versus herding can be predicted on the basis of the task and the social learning strategies used.

    • Wataru Toyokawa
    • Andrew Whalen
    • Kevin N. Laland

Amendments & Corrections

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