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. 2021 Apr 15;150:416–432. doi: 10.1016/j.psep.2021.04.014

Table 1.

The constituents of a high and low level of uncertainty.

Low Uncertainty High Uncertainty
  • 1

    Highly reasonable assumptions

  • 2

    Reliable data

  • 3

    Consensus among experts

  • 4

    Well understood phenomena
  • 1

    Strong and overly simplified assumptions

  • 2

    Unreliable data

  • 3

    Lack of consensus among experts

  • 4

    Obscure phenomena