AHP has been selected to reduce the subjectivity of steps 2 and
6. AHP permits to give relative judgements of relevance among different risks, not just using numerical values, but also with verbal
statements (indeed, a translation table from verbal statements to
numerical values is also present). Refer to former Section 3 for a
deeper introduction to that technique. It is important to note that
the choice of the AHP, instead of other structured methods such as
the DELPHI one, was due to the more reliable analysis of the AHP,
that is conducted using mathematical tools