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effectiveness

Definition(s):

  Accuracy and completeness with which users achieve specified goals.
Source(s):
NISTIR 8040 under Effectiveness from ISO 9241-11:1998

  extent to which planned activities are realized and planned results achieved
Source(s):
NISTIR 8053 from ISO/IEC 27000:2014

  the robustness of the result itself
Source(s):
NIST SP 800-55 [Superseded]