Market evidence register

Create one record per material claim

Copy these fields into your working document. Give each entry a stable reference so a reader can connect the model assumption to its support. Record the observation period separately from the day you retrieved the information; old data can appear on a newly accessed page.

• Claim and intended use: the statement and the decision it would influence.
• Source and location: publisher or document, link or file reference, geography and property type.
• Timing and definition: observation date or period, retrieval date, units and metric definition.
• Evidence status: observed fact, supported estimate, reported information or classroom assumption.
• Uncertainty and follow-up: missing context, contradictory evidence, verification owner and next review point.

A completed teaching example

Claim: the fictional Blueprint Court rent is achievable. Source: classroom model, not local market research. Evidence status: assumption. Intended use: rental-income calculation. Remaining uncertainty: customer alternatives, concessions, collections and competing supply. Next action: collect dated comparable evidence for the same product and market before using a rent assumption in a real recommendation.

The entry makes clear that a model input cannot serve as its own independent support.

Review before relying on it

Check whether geography, product and period match the proposed opportunity. Permit activity does not establish completed supply or absorption; advertised occupancy does not establish collections. Keep contradictory observations rather than discarding them to preserve a preferred conclusion.

When a claim changes, record the reason and revisit the affected calculation. This register organizes evidence; it is not an appraisal or a guarantee of future demand.