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How is the Purpose Alignment Model used to prioritize requirements?

Posted by Chris Adams

Article Rating // 23193 Views // 1 Additional Answers & Comments

Categories: Business Analysis, Systems Analysis, Requirements Analysis (BABOK KA), Enterprise Analysis (BABOK KA)


The Purpose Alignment Model aids in prioritizing requirements and guiding investment decisions by rating requirements (which may be capabilities, processes or tasks) along two dimensions:

  • whether it creates market differentiation or contributes to the value proposition
  • whether it is critical for ongoing operation of the organization

Purpose Alignment Model

The rated requirements are then organized into four quadrants:

  • Differentiating quadrant – includes requirements that rate highly on both dimensions. These requirements offer the most value to the organization.
  • Parity quadrant – includes requirements that are low in market differentiation, but high for organization operations. Examples include personnel management, asset management, finances (accounts payable and receivable), etc.
  • Partner quadrant – includes requirements that rate highly in market differentiation, but lower for organization operations. An alternative approach to acquiring capabilities in this quadrant is an outsourced or partnership model.
  • Who Cares quadrant – includes requirements that have low ratings on both dimensions. Requirements in this quadrant could potentially be removed from scope, as they offer minimal value to the organization.

Sandy Lambert
Business Architect
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Kent J McDonald posted on Monday, November 27, 2023 8:34 PM
The purpose based alignment model is not intended for prioritizing requirements.

As I pointed out in

Purpose is not priority. Purpose identifies the design goals of a process, business rule, function, or feature. It does not define the sequence in which the work on that process, rule, function, or feature must occur. That being said, purpose can provide a framework for strategic and tactical planning.
Kent J McDonald
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