ISEB ISEB-PM1 Exam Quality and credibility of the qualitative risk analysis process requires that different levels of the risk's probabilities and impacts be defined is the definition of what?

Question

Options

• ARisk breakdown structure (RBS)
• BRisk probability and impact
• CQualitative risk analysis
• DRisk response planning

• B
  82% (14)
• C
  6% (1)
• D
  12% (2)

Explanation

Risk Probability and Impact (B) is correct because the definition describes precisely what this concept addresses - establishing defined scales for measuring how likely a risk is to occur and what effect it would have if it does. Defining these levels is what gives the qualitative risk analysis process its quality and credibility, since without consistent probability/impact definitions, assessments become subjective and unreliable.

Why the distractors are wrong:

• A (RBS) is a hierarchical chart that categorizes risk sources, not a definition of measurement scales.
• C (Qualitative Risk Analysis) is the broader process of prioritizing risks using those defined scales - it depends on probability and impact definitions rather than being their definition.
• D (Risk Response Planning) comes after analysis and focuses on how to handle identified risks, not on defining measurement criteria.

Memory tip: Think "P&I = Precision Inputs" - Probability and Impact definitions are the calibration inputs that make qualitative analysis credible, just like a ruler needs marked units before you can measure accurately.

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