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CISM study material · question 140 of 1000

Two experienced assessors reach different risk conclusions from the same evidence. How does SP 800-39 treat this outcome?

  1. As expected, since culture and personal experience colour judgement, and as something a defined process must reconcile
  2. As grounds to void both of the assessments and repeat the whole of the work with a single assessor, so that only one judgement stands on the record at all
  3. As irrelevant, since only the higher of the two ratings is recorded and the lower one is discarded without any further discussion
  4. As proof that one of the two assessors is incompetent and should be removed from the assessment programme altogether straight away
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Answer: A. As expected, since culture and personal experience colour judgement, and as something a defined process must reconcile

SP 800-39 accepts that assessors can reach different conclusions from the same information because of culture and personal experience, and asks that organisationally defined processes identify and resolve such inconsistencies.

Source: NIST SP 800-39 (NIST) — Task 2-2 Risk Determination and Uncertainty

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