Library / Problem Structuring and Decision Support Principles Framework
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PSD.16:4.4 - Construct alternatives that change the relationship

Compare the incumbent with at least one materially different workable arrangement. Select alternatives from the conflict, not from a universal menu.

A local separation can reserve discussion time while calculation pauses. Parallel inquiry and modelling can use explicit exchange points for consequential changes. Separate contribution channels can preserve a protected or unavailable participant’s input, provided a usable correction route exists. A simpler provisional model can support discussion while a specialist develops the stronger analysis elsewhere. A different allocation of modelling and facilitation can remove an attention conflict, if the required people and capabilities are available.

State what each arrangement preserves, what it cannot yet produce, and who bears the extra work, delay or loss. A jointly edited model is not always preferable; when inputs and meanings are stable, bounded expert analysis can be sufficient. Nor does fully serial work automatically preserve participation: someone may become unavailable while another contribution is completed.

When the participants share the same relevant perspective and a missing perspective could change the inquiry, consider a prepared content challenger alongside a separate facilitator. Make that contribution explicit and source-supported; allow the group to decline it. It does not confer representation or consent on behalf of absent people. Its preparation and facilitation burden may make another participation route preferable.

Test whether the proposed change stays within the selected Method’s permissible variation. A change from spoken to confirmed written inquiry may preserve the Method; replacing participant confirmation with a sponsor’s interpretation does not. Return a changed action, result or join to PSD.6 rather than calling it a scheduling adjustment.