prospect-theory-framing-and-decision-weights

name	prospect-theory-framing-and-decision-weights
description	Audits framing, reference points, and decision weights in an analytic product's stated preferences and value or well-being claims; invoke when framing itself may be driving the stated judgment.
kind	skill
status	ready
provenance	{"principles":["P040","P044","P046","P050","P053","P084","P104","P105","P116","P117","P118","P131","P147","P148","P149","P150","P181","P189","P196"],"claims":["C00624","C00625","C00626","C00630","C00631","C00751","C00752","C00753","C00754","C00755","C00756","C00758"],"evidence":[],"source_anchors":[],"authored_from_digest":"5fd6ec40fb782e9694516eb3280ff1303766e097effc41855f1ac71c4e043799"}

Prospect Theory Framing And Decision Weights

Purpose

Review whether a stated preference, valuation, or well-being judgment in an analytic product reflects the substance of a choice or is instead an artifact of how that choice was framed and weighted. Prospect theory replaces a single stable preference with a value function that is reference-dependent and loss-averse, and a probability-weighting function that overweights small, vivid probabilities and the last increment of certainty while underweighting the broad middle range — so identical facts, differently framed, can reverse a stated conclusion. This skill audits an existing forecast, price, estimate, or value judgment for that distortion, including how the product treats a decision-maker's or population's stated cost, benefit, or well-being claim, and it never substitutes its own valuation for the one under review.

When to use

• An analytic product presents an option, price, or policy in only one frame — a pure gain or a pure loss, a frequency or a probability — for an outcome that is logically identical either way, and whether the framing, not the facts, is driving the stated preference needs checking.
• A judgment credits "the frame used" for an actor's stance, or leans on an unexamined default or status-quo option, without asking whether the frame is itself downstream of a prior position or one of several competing frames.
• An account of a past negotiation, war, or decision explains why the outcome "had to" turn out that way, and whether the write-up primed itself toward confirming momentum rather than the alternatives that were foreclosed needs checking.
• A valuation, price, or forecast depends on a stated reference point — a goal, a status quo, a past price — and whether that point, and the loss-averse shape of value around it, is doing more work than the analysis admits.
• An estimate of what an adversary, counterpart, or state will pay to keep something already held versus to acquire it fresh, or will keep spending on an escalating commitment, needs checking against loss aversion and the endowment effect.
• A hazard, safeguard, or risky option is being evaluated, and a small but vivid probability, or the "last bit" of risk being removed, appears to carry more decision weight than its numeric size justifies.
• A recommendation to keep funding or defending a failing course of action leans on cost, time, or reputation already invested rather than on future consequences alone.
• An evaluation reads differently depending on whether the option was judged alone or side by side with a real alternative, and which mode — and whose comparison set — produced the conclusion needs checking.
• An analysis draws a welfare, happiness, income, or whole-experience conclusion from a decision-maker's or population's stated value judgment, and whether it is being read at the right grain — experienced versus remembered, single factor versus full picture, adapted versus initial reaction — needs checking.

Procedure

1. Locate the frame used to present the option, price, or outcome under review — stated only as a gain or only as a loss, only as a frequency or only as a probability, for an outcome that is logically identical either way. Confirm the write-up was tested in the mirror frame before its stated preference is trusted, and flag an unexamined default or status-quo option that is itself doing framing work the analysis has not owned (P050).
2. Check whether the presentation steers the conclusion through a topical mental account (for example, a saving judged against a nearby reference amount) rather than through any new information, and whether the write-up recognizes that a frame can color the actual experience of an outcome, not merely the stated choice. In a political or strategic account, verify a frame is not credited as the sole cause of an actor's position when it may only be one of several competing frames reflecting a prior predisposition (P105, P053).
3. In an account of why a past outcome unfolded as it did, identify which question implicitly organized the search: "how did this become inevitable," which hunts for confirming momentum, or "when did the alternatives close off," which hunts for the causes that foreclosed other paths. Where the account reads as though the outcome was destined, flag it and check whether the alternate framing was tried (P196).
4. Confirm that gains and losses in the judgment are measured from a stated, defensible reference point — a status quo, an expectation, or a goal — rather than from an absolute end-state, and that value around that point is treated as reference-dependent and loss-averse rather than linear (P084). Where the reference point is a goal, check that a shortfall is recognized as a felt loss, more motivating than the pull of exceeding it, and that any drop in effort right after the goal is met is attributed to this crossing rather than left unexplained (P116).
5. In an estimate of what an adversary, counterpart, or state will pay — to keep something already held versus to acquire the same value fresh, or to keep fighting rather than settle — check that the estimate accounts for loss aversion and the endowment effect inflating the price of keeping, and that the goal being paid for is assessed separately from the price, since the two are independently and commonly misjudged (P131).
6. Examine how probabilities are weighted, not just what they are. Flag a small, vivid probability of harm carrying weight out of proportion to its size, including a frequency framing looming larger than the equivalent percentage, and a probability drawn only from unexperienced rare events being underweighted (P046). Flag the last increment of risk removed being valued far above an equal-sized reduction elsewhere in the range — the certainty effect, including an anomaly the analysis quietly works around instead of confronting — and flag a probability treated as certain merely because a problem was staged in steps, the pseudo-certainty effect; check throughout that the weighting curve is nonlinear and regressive, not proportional to the stated probability (P117, P150).

Inputs

• The analytic product, estimate, or forecast under review, including the exact wording used for any option, price, probability, or outcome.
• The reference point — a status quo, a goal, a past price, or an expectation — the judgment is implicitly or explicitly measured against.
• Any alternative frame, mirror wording, or comparison case the stated preference could be retested against.
• The specific probability or risk figure cited, and how it was communicated (a frequency versus a percentage, a one-shot versus a staged presentation).
• Any welfare, income, happiness, or whole-experience claim in the material, together with the self-report, forecast, or data point it rests on.
• Whether the judgment concerns an individual, an organization, or a state actor, since the corrective differs — for example, endowment-effect estimation for an adversary versus reference-point framing for a price.

Output

Per finding: name the framing or decision-weight flaw (a single-frame presentation, an unexamined default, a hindsight-primed narrative, a misplaced or silently shifting reference point, an adversary endowment misestimate, a decision-weight distortion, sunk-cost or escalation reasoning, an isolated-evaluation bias, a taboo tradeoff, a utility-concept conflation, or an unqualified well-being or income claim), apply the correction (retest in the mirror frame, name the true reference point, separate the adversary's price from its goal, recompute the weight against the stated probability, restrict the justification to future consequences, add a joint comparison, or restate the claim at the right grain — experienced versus remembered, single factor versus full picture), state the residual uncertainty the correction leaves, and end with a concrete next step. Order findings highest-impact first. This skill names the distortion and its correction; it does not issue the value judgment, price, or forecast in place of the one under review.

Anti-patterns to flag

• An option described only as a gain or only as a loss, or only as a frequency or only as a probability, with no test of the logically equivalent mirror frame (P050).
• A default, opt-out, or status-quo option treated as a neutral starting point rather than as itself a framing choice that is shaping the outcome (P050).
• A conclusion attributed to "the way it was framed," or to a topical mental account, without checking whether the frame is downstream of a prior predisposition or one of several competing frames on offer (P105, P053).
• A past outcome narrated as though it had to happen, with no attempt at an alternatives-foreclosed reframing of the same question (P196).
• A gain or loss judged against an absolute end-state instead of a stated reference point, or a goal shortfall left unrecognized as a felt loss (P084, P116).
• An adversary's, counterpart's, or state's resolve estimated without separating the inflated price of keeping something already held from the goal that price is being paid for (P131).
• A vivid, low-probability harm, or the "last bit" of risk removed, driving the conclusion out of proportion to its numeric size, with the broader nonlinear weighting curve never checked (P046, P117, P150).
• Continued investment in a failing course defended by cost, time, or reputation already spent rather than by future consequences alone (P118).
• A preference reported from a single, isolated evaluation with no joint comparison against a real alternative — or a joint comparison whose option set was curated by an interested party (P104).
• Risk-averse caution rationalized purely by anticipated regret, hardened into a flat refusal to trade any risk for value even where a fixed safety budget would do more good spent elsewhere (P044).
• A stated preference or self-report accepted as proof that an option serves the chooser's lived interest, with no check on whether it reflects moment-to-moment or peak/ending-weighted evaluation (P040), or a whole-episode verdict driven by its narrative ending rather than the substance of the parts (P181).
• A well-being, income, or "how much this matters" claim taken at face value with no allowance for mood-heuristic substitution, the focusing illusion, an unstated satiation point, or hedonic adaptation over time (P147, P148, P149, P189).

References

See ../../references/bias-perception-principles-index.md for the full principle catalogue. For adjacent concerns, see the sibling skills: calibration-and-probabilistic-estimation turns a judgment into a scorable numeric probability once this skill has cleared the framing and decision-weight distortion from the number itself; dual-process-heuristics-and-cognitive-ease covers the wider System-1/System-2 catalogue behind the single-versus-joint evaluation gap; historical-analogy-learning-and-hindsight covers the wider hindsight-bias catalogue behind the inevitability-versus-rerouting framing check.

Provenance

Derived solely from P040, P044, P046, P050, P053, P084, P104, P105, P116, P117, P118, P131, P147, P148, P149, P150, P181, P189, and P196 (Thinking, Fast and Slow; Perception and Misperception in International Politics; Expert Political Judgment — all distillation-only; see the frontmatter above for the full claim, evidence, and source-anchor list).