Which processes should the Plan, Do, Check, Act methodology be applied to?

Question

Options

• Aall of the processes within the scope
• Bthe Planning & Implementing Service Management process
• Cthe Requirements for a Management System process
• Dthose that support business critical services

• A
  72% (21)
• B
  14% (4)
• C
  10% (3)
• D
  3% (1)

Explanation

Option A is correct because the PDCA cycle is a universal continual improvement methodology - its value comes from applying it comprehensively across every process within scope, ensuring consistent quality management and no gaps in improvement coverage.

Why the distractors fail:

• B is wrong because "Planning & Implementing Service Management" is one specific process, not the full scope - cherry-picking a single process defeats the purpose of systematic improvement.
• C is wrong because "Requirements for a Management System" describes a framework component, not a set of processes to apply PDCA to.
• D is wrong because limiting PDCA to only business-critical services creates blind spots; non-critical processes can still fail and cascade into critical ones.

Memory tip: Think of PDCA as a coat of paint - you don't only paint the walls that guests see. You apply it to everything in scope, or you get peeling corners (process failures) later.

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