#Decision-Useful Advice and Evidence Demands

C.11.DUA · Cluster C.II - Domain-Specific Patterns · Stable · C-pattern · Part C - Kernel Extension Specifications

#About this pattern

This is a generated FPF pattern page projected from the published FPF source. It is canonical FPF content for this ID; it is not a FPF Reference product feature page.

#How to use this pattern

Read the ID, status, type, and normativity first. Use the content for exact wording, the relations for adjacent concepts, and citations to keep active work grounded without pasting the whole specification.

Tech name: DecisionUsefulAdvice

Plain name: make advice and evidence demands useful to the recipient's decision

Type: C-pattern

Status: Stable

Use this when a report, expert answer, review comment, rule or checklist asks somebody to act, wait, investigate or supply evidence, but it is unclear how that demand helps their present question or whether they can carry it out.

#Relations

#Content

#Problem frame

Use this when a report, expert answer, review comment, rule or checklist asks somebody to act, wait, investigate or supply evidence, but it is unclear how that demand helps their present question or whether they can carry it out.

An engineer reports that a discharge criterion was below the incoming background level. A colleague wants help examining the criterion. A useful answer can attribute the report and distinguish total level from the operation's contribution. Requiring an archive search before making that distinction spends effort without improving that answer. If the colleague later wants to publish who imposed the criterion, the receiving question changes: a contemporary record may now be worth obtaining. The method below reaches a completed answer in both situations.

The broad activity is decision support through advice. This pattern addresses the branch in which advice turns uncertainty or a requirement into consequential work for its recipient. Its subject is the advice statement or requirement being composed or examined, including the action or inquiry it demands. An empirical claim, recommendation, method instruction and binding requirement retain their different meanings and force. The method recovers the demand, appraises it and returns a usable continuation.

First useful result. Give the supported answer or repaired advice, the continuation available to the recipient, and any limitation that changes its use. The result can be an explanation, recommendation, bounded inquiry, proposed requirement revision or an honest impasse. Ordinary prose is sufficient.

Ordinary non-use boundary. If the question, support and feasible answer are already clear, answer directly. Use A.10 directly for a source-reliance question, C.11 for an already adequate local choice, or C.19.2 for economical application under an undisputed declaration. This composition adds value when somebody otherwise has to reconstruct the connection between those questions. Domain inference, experimental design, permission and enactment remain with their own methods and authorities.

#Problem

A limitation is often followed by a demand that does not follow from it. “This study cannot establish the effect” can be true while “therefore commission the ideal experiment before doing anything” is infeasible or inferior to a bounded action. Conversely, an inexpensive check may distinguish a damaging commitment from a useful alternative. Skipping it merely because the present answer is convenient repeats the same failure to compare consequences.

The difficulty starts before a well-formed option set. Advice such as “validate thoroughly” can hide an investigator, access requirement, delay, claimed guarantee and transfer of cost to somebody else. The recipient has to recover that work before choosing whether it is worthwhile.

A further failure appears at completion. A method may allow work to proceed without more inquiry yet require a probe block, waiver or explanation of every omitted check before accepting the answer. Producing that account is itself work. Sometimes a retained reason protects a later use; sometimes it adds nothing to the completed decision.

#Forces

#Solution

Start from what the recipient is trying to settle. Recover the work hidden in the advice, compare what that work can change with what it costs, and give the best warranted continuation. Follow that continuation through the required result and stopping point.

#Recover the receiving question and demanded work

Identify the question the recipient needs answered and the horizon at which an improvement matters. Read an existing instruction as something somebody would actually have to perform: what would they believe, do, stop doing, postpone or spend if they followed it?

Recover a missing performer, resource, access, time condition or authority when it can change feasibility or the recommendation. An unavailable data set or a study that finishes after the decision window is a different option from an available timely check. Do not turn a simple answer into a universal plan form.

For a text review, examine the connected passage that creates the demand, including its steps, mandatory fields and completion clauses. “Consider further evidence” and “obtain it before proceeding” impose different work. A final template can impose work that the preceding prose made optional.

Keep three answers distinct:

These are questions to resolve where live, not three mandatory output fields. A source limitation qualifies the attempted claim. It does not by itself choose evidence acquisition.

#Compare attainable inquiry with its receiving value

When an inquiry is proposed or a consequential uncertainty, anomaly or applicable requirement makes one live, identify a plausible result that would change the conclusion, choice or warranted use. Compare obtaining that result with the feasible alternatives. These may include using present knowledge, a smaller reversible step, a different source, a narrower claim, deferral or stopping.

Include the attainable inquiry's cost, delay, displaced work and downside. Compare what it adds to the present configuration and horizon; C.11.CRC supplies that missing comparison when needed. A large uncertainty is not sufficient reason for a large study. Ask how resolving it could improve this use. A cheap probe that can change an irreversible commitment deserves a different answer from an expensive check whose plausible results leave the useful answer unchanged.

Qualitative or ordinal judgement often suffices. A numerical value-of-information or computation model is useful when it improves the choice; do not demand probabilities or a common scalar merely to fill a form. If plausible differences in judgement could reverse an important recommendation, examine those differences at proportionate effort. Keep distinct consequences visible when a scalar would hide the trade-off.

An inquiry can be useful even if the physical action stays the same. It may establish which claim is warranted, meet an applicable evidence condition or make a proposed use admissible. Conversely, inability to obtain evidence does not make the stronger claim true or admissible.

For exploratory research, name the explanatory, model-building, hypothesis-discriminating or option-creating gain at the research horizon. A study can earn its cost through those gains before an operational intervention is selected. The direct research method must still connect its attainable observations to that gain.

#Appraise a disputed requirement and its current force

When the requirement itself is in question, identify the quantity, activity or claim it governs and the problem it is meant to address. Examine its basis and uncertainty, threshold, protective contribution, burden and distribution of error costs. Include delay and displaced risks: reducing one named risk may increase another.

Compare retaining, tightening, relaxing or replacing the requirement only where these are meaningful alternatives. Resolve labels such as “safety” or “security” to the particular hazard, exposure, action or evidence condition. Apply the same proportionality question to the evidence demanded to justify the requirement itself.

A limit below background calls first for distinguishing the incoming background, the activity's attributable increment and the total resulting level. A total-exposure objective can justify reducing background too. Neither “below background” nor “required for safety” settles the merits without that contribution comparison.

Keep the merits judgement separate from the currently available action set. A binding requirement continues to govern until the relevant authority or agreement changes it. Advice can recommend a lawful exception, a revised criterion or another activity and identify the feasible route to that change. A hoped-for revision is not already available. If the current requirement makes the proposed action unavailable and no acceptable alternative or timely revision is feasible, state that impasse.

When applying apparatus under C.19.2, compare eligible applications under the current result, guarantee and constraints. A cheaper method that drops a required guarantee is a different proposal. Resume under a revised declaration only when that revision is available through its governing authority or agreement.

#Return the advice through first useful completion

Give the supported answer and available continuation in language the recipient can use. Retain uncertainty, attribution, a reason or a return condition when it changes that use. Where a substantive decision record is needed, put this content in the same result.

For an external-text review, return a concrete repair: identify the demanded work, the consequence or burden that makes it defective, and the smallest replacement that reaches a warranted result. Keep a useful evidence demand when the comparison supports it. A finding for another author can be durable without becoming a per-sentence ledger.

Follow the selected method through its completion requirements. Keep the recommendation or decision and its useful basis. An inactive inquiry creates no empty field, no waiver and no requirement to explain why checking was omitted. If a later recipient would otherwise overgeneralize the result, infer fresh evidence or miss a material limitation, retain the minimum explanation in that result. A short useful explanation alone need not instantiate a complete probe account.

Apply the same appraisal to any prescribed record. If it has binding force, distinguish its usefulness from what the current procedure requires and use the available revision route. This pattern does not manufacture permission to disregard it.

Finish when the recipient has the warranted answer and continuation for the present question, including a justified stop when necessary. Reopen when the receiving use, possible consequence, feasible means, source basis or information opportunity changes materially.

#Keep recognition and assurance about the same advice

The opening and worked situations help the reader recognize a consequential demand and repair it. The checklist below tests that same advice and the work it demands. It does not introduce a separate admission record or require every use to undergo a new review.

Use A.10 for the evidence boundary, C.11 for a choice result, D.4 for ethical mediation and the direct assurance method for a stronger guarantee when that question is live. Advice that a step is sensible supplies neither permission nor evidence that the step was performed.

#Archetypal Grounding

These illustrative situations state their conditions for the comparison. Reported experience remains attributed; the numerical example uses stipulated decision inputs, not measurements from performed experiments.

#A useful distinction now and corroboration for a later claim

Present use. An engineer reports a criterion below incoming background. The recipient wants to understand whether that is necessarily a design mistake. An archive search would take weeks. Its plausible results could change the historical account but would not change the requested distinction.

Completed answer. “On your account, the threshold was below the incoming background. That alone does not establish a mistake. A criterion for the operation's added contribution and a criterion for total exposure govern different quantities; the latter can require reducing background too. Compare the protection gained with the feasible treatment burden before judging the threshold.”

That answer supplies the requested distinction and keeps its attribution. It makes no independently verified historical claim and issues no operating permission. The answer itself completes this use; a second account of why archives were not searched adds nothing.

Changed use. The recipient now plans to attribute responsibility in a report. Suppose an accessible contemporary record can identify who set the criterion and what it governed. A one-hour record check is feasible and could settle the attribution.

Completed advice. “Check the contemporary criterion record before attributing its authorship or meaning. The participant account supports the attributed report of experience; it does not establish that attribution. If the record cannot settle it, describe the account without assigning responsibility.” This finishes the advice, including the next feasible check and the limit on its use. It does not claim the check has occurred.

#A completed choice with conditional inquiry content

A research team chooses among feasible plans A, B and C. Two calibration states, s1 and s2, have equal weight. The team's rule minimizes expected residual loss; shorter duration breaks equal-loss ties. The following are cardinal comparison inputs.

Completed decision. Retain T0 and: “The research team chooses B now among A, B and C for this experiment. At equal state weights the expected losses are 7, 2.5 and 4.5. We minimize expected residual loss, with duration breaking ties.” B is preferable in either state. The current basis supports this choice; no unresolved inquiry alternative needs a separate account.

A completion form demanding unused probe budget, cost and information/computation fields would add omission accounting to that result. Conditional inquiry content leaves the decision and its basis intact.

Opposed condition. Change the loss model to T1 below. A specified one-day calibration can distinguish the states perfectly, an available technician can perform it, and two days remain. The team accepts that delay for a reduction in expected loss.

Completed first choice. Retain T1 and: “Probe again with the one-day calibration. Choosing B now has expected loss 3; choosing A after s1 or B after s2 has expected loss 1.5. The available day and technician make the probe feasible, and the team accepts the delay for that reduction.” This is a completed C.11 probe-again result. The measurement remains to be performed. An actual s1 result would then select A; s2 would select B.

Transfer requiring a reason. Return to T0, now sent to a colleague considering B for another calibration range. Retain: “B was selected under the two states in T0; distinguishing those states would not alter that choice. This decision establishes no fresh calibration and must be reconsidered for another range.” The explanation changes the colleague's use: reopen the comparison instead of treating B as generally preferred. It belongs in the same decision result and needs no empty probe block.

#Repair a study demand in an external report

A consultancy report says, “Do not introduce the revised teaching exercise until a large randomized study proves its effect.” The teaching team must choose materials for four sessions next month; that study would take two years. The present synthesis does not establish a causal learning effect. The team's immediate question is whether the revised materials can meet the existing course requirements with less preparation.

For this illustrative comparison, both formats meet the content and participant-protection requirements, and no binding rule requires the proposed effect study for this bounded use. The remaining uncertainty is whether the revised materials run with the room's existing tools. The team requires that readiness to be established before selecting them. A thirty-minute setup rehearsal by the instructor in that room can settle it; it creates no student exposure.

Use the team's stipulated planning estimates: the current exercise requires ninety minutes of preparation per session; the revised materials require thirty if compatible, otherwise the team retains the current exercise. The same room and tools will serve all four sessions. The team regards compatibility and incompatibility as equally plausible and prefers less instructor preparation once the course and protection constraints are met. The rehearsal fits the available preparation window.

A successful rehearsal makes the revised materials available and saves four hours across the sessions; a failed rehearsal leaves the current exercise selected. With equal weights, the expected preparation saving is two hours before the rehearsal's half-hour cost, or ninety minutes net. Retaining the current exercise uses no rehearsal time but forgoes that opportunity. These estimates warrant this rehearsal; its small size and reversibility alone would not.

Completed advice. “The present synthesis does not establish a causal learning benefit. Run the half-hour setup rehearsal to settle compatibility with this room's tools. If the revised materials work, use them for the four sessions; otherwise retain the current exercise. Under our stated estimates, that information saves an expected ninety minutes of instructor time after its cost. Keep the learning-effect claim open.”

This completes the advice and the decision to probe; it does not report a performed rehearsal. Its result will determine the subsequent material choice. Compatibility feedback supports readiness in the stated room, not a causal learning-effect estimate or transfer to other conditions. If domain review finds unacceptable participant risk or a binding evidence prerequisite, the proposed use must satisfy that condition before it enters the available set.

Opposed cost condition. Suppose the same discriminating rehearsal now requires three hours of instructor time, still within the available preparation window. Its expected gross preparation saving remains two hours. The completed advice changes: “Retain the current exercise for these four sessions. The proposed rehearsal would cost an expected hour more than it saves. The current materials meet the course requirements; the comparative learning-effect claim remains unresolved.” A longer study remains a separate research proposal whose attainable contribution and burden must be justified for its own receiving use.

#Earn a long research horizon

A research group has two rival explanations of a recurrent anomaly. Neither currently supports an intervention. Suppose an available instrument and four-week allocation can discriminate a prediction on which the models differ; a much broader survey would exhaust the year's allocation without separating them.

The receiving use is model discrimination within the year's research program. Compare the attainable contrast and broader survey against retaining both models and spending the allocation elsewhere.

Completed advice. “Run the four-week discriminating measurement. Under the stated model predictions, its result will eliminate or revise one explanation and inform the next instrument design. The broader survey does not presently distinguish those predictions and consumes the remaining allocation. Reconsider the measurement if instrument sensitivity cannot separate them.”

The useful result sought is explanatory progress and a better basis for later research. No immediate operational intervention is needed to justify that contribution. If the sensitivity condition fails, naming it does not turn the proposed measurement into a useful experiment; revise the design or retain the unresolved models.

#Bias-Annotation

The recipient's urgency can make cheap action seem preferable even when a decisive check is available. Conversely, the advice issuer can enjoy the benefit of confidence while transferring investigation costs and delay to others. Compare those consequences explicitly where they differ across affected parties.

An operational vocabulary can undervalue explanation and future options. State the receiving horizon and research gain before judging inquiry. A safety label can also suppress appraisal of a criterion, while a cost argument can hide its protective contribution. Preserve both the merits question and the requirement's current force.

#Conformance Checklist

The following conditions concern the advice actually given. They require no separately completed checklist.

#Common Anti-Patterns and How to Avoid Them

#Consequences

Advice becomes a usable answer to a receiving question. The practitioner can continue with qualified knowledge, select worthwhile inquiry, repair a requirement proposal or recognize an impasse. A reviewer can repair an external report without requiring FPF-formatted input.

The method costs the attention needed to recover hidden work and compare its consequences. That cost is unnecessary for an already clear bounded answer. It also cannot make unavailable means available or settle domain evidence and authority questions by general reasoning alone.

#Architectural Rationale

The recurring problem is the connection between a qualified claim and the work an answer asks somebody to perform. A.10 supplies bounded reliance; C.11 chooses among available options and tests probe-worthiness; C.11.CRC compares a finite contribution; C.19.2 limits apparatus effort under a declaration. Here those contributions are composed after recovering the receiving question and demand, including appraisal of the declaration itself when disputed.

This gives advice authoring and advice review the same method. Both start with what the recipient would do and end with usable advice. A wording repair under F.19 may make a demand clear while leaving its cost or merits unresolved. A decision calculation may be correct while answering a different question from the one the recipient needs.

The smaller route is direct use of the existing patterns or a short composing entry. Prefer it whenever it reaches the same warranted completion at comparable effort. This companion is useful where recovery of implicit work, requirement appraisal and the connected completion would otherwise have to be reconstructed. It introduces no choice calculus, new U-kind, universal record or exemption.

#SoTA-Echoing

Value of information already supplies a strong answer to whether uncertainty is worth reducing. The additional work here is recovering the question hidden in advice and carrying the answer through completion. The following comparisons adopt source contributions at the effort the receiving problem needs.

Compared with demanding the ideal evidence package first, this method can reach a warranted explanation or bounded continuation with less work. Compared with immediate action without inquiry, it retains a feasible check that changes a choice or admissible claim. Those are conditional gains: the quality of domain models, available observations and the recipient's actual use remains decisive.

#Relations

• Uses: A.10 for source-reliance boundaries; C.11 for local choice and probe-worthiness; C.11.CRC when a finite contribution comparison is missing; C.19.2 for economical application under the current declaration.
• Coordinates with: C.18 when useful options or hypotheses must be generated; C.28 and direct domain methods when the advice depends on causal inference; D.4 for ethical mediation; the applicable assurance method for a stronger guarantee.
• Used by: F.19 when clear wording leaves a questionable substantive demand; E.19 when advice usefulness, feasibility or evidence burden is the live review question; E.11.PUA when a pattern's demanded work obstructs its first useful result.
• Leaves with their owners: authorization, requirement enactment, domain research design, actual Work and its evidence. The recommendation supplies a reasoned continuation; those contributions determine whether and how it can be carried out.

#C.11.DUA:End

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Last Updated: 2026-09-07 — this section last modified in upstream FPF commit d514a6fc (github.com/ailev/FPF)