Why should an appraiser identify the data sources used in the report?
Correct Answer
D) Readers weigh conclusions by the evidence behind them
Identifying material information sources helps intended users assess the support for the appraisal’s conclusions. The report should provide the information necessary for its intended use, while the workfile retains the support required by USPAP. A formal bibliography or a single citation format is not universally prescribed, and naming a source does not shift the appraiser’s responsibility for deciding whether reliance is reasonable.
Why This Is the Correct Answer
Option D is correct because readers weigh conclusions by the evidence behind them, and identifying material information sources helps intended users assess that support. The Interagency Guidelines call for indicating sources such as market sales databases and public records. The appraiser remains responsible for deciding whether reliance on each source is reasonable.
Why the Other Options Are Wrong
Option A: Naming sources transfers responsibility for errors
Option A says naming sources transfers responsibility for errors. Citing a source does not shift the appraiser's responsibility for judging whether reliance on it is reasonable.
Option B: USPAP requires a bibliography in each assignment
Option B says USPAP requires a bibliography in each assignment. USPAP does not prescribe a formal bibliography or a single citation format; the report must contain information sufficient for its intended use.
Option C: Sources determine which approaches must be used
Option C says sources determine which approaches must be used. Approach selection depends on the scope of work and what is needed for credible results, not on which data sources were cited.
Show sources, earn trust
Sources are the receipts for your conclusions. Readers trust what they can trace, but the appraiser stays responsible for the conclusions.
How to use: Use this when a question asks why an appraiser cites data sources.
Exam Tip
Source identification serves the reader's ability to evaluate support. Be wary of answers claiming it shifts responsibility or follows a mandated citation format.
Common Mistakes to Avoid
- -Believing citing a source shifts liability to the data provider
- -Thinking USPAP mandates a bibliography
- -Assuming data sources dictate which approaches are required
Concept Deep Dive
Analysis
This question tests the purpose of identifying data sources in an appraisal report. Naming sources lets intended users understand and weigh the evidence supporting the conclusions. It does not shift responsibility, mandate a bibliography format or dictate which approaches to use.
Background Knowledge
Appraisal reports must contain enough information for intended users to understand them properly. Identifying data sources such as MLS, public records and verification contacts supports transparency. The workfile retains the support needed under USPAP, while the report presents what the intended use requires.
Real-World Application
A lender's reviewer reads an appraisal listing MLS numbers, public record references and the agent contacted to verify each sale. Because the sources are clear, the reviewer can quickly confirm the facts. When one record turns out to be wrong, the appraiser, not the data provider, must correct the report.
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