Why does the growth of data sources not reduce the appraiser's verification burden?
Correct Answer
A) More sources multiply the chances of conflicting records
Additional sources can contain different coverage, dates or definitions and may conflict. The appraiser must still assess the relevance and reliability of material information used rather than equate volume with credibility. The duty is not a fixed number of checks added for every source, and no universal second-appraiser verification requirement follows. Newer and older sources both require appropriate evaluation.
Why This Is the Correct Answer
Option A is correct because more sources multiply the chances of conflicting records. Sources can differ in coverage, dates or definitions, so the appraiser must still assess the relevance and reliability of material information rather than equate volume with credibility. Reviewers likewise assess whether data sources are appropriate and well-supported.
Why the Other Options Are Wrong
Option B: Verification requirements increase with each new source
Option B is wrong because verification requirements do not increase by a fixed amount with each new source. The duty is to assess material information for relevance and reliability, not to add a set number of checks per source.
Option C: Newer sources are consistently less accurate than older
Option C is wrong because newer sources are not consistently less accurate than older ones. Both newer and older sources require appropriate evaluation.
Option D: Each source must be verified by a second appraiser
Option D is wrong because there is no universal requirement that each source be verified by a second appraiser. Verification is the responsible appraiser's task within the scope of work.
More data, more conflicts
Every added source is another chance for records to disagree. Volume does not equal accuracy.
How to use: Use this when a question asks whether more data sources reduce the need to verify.
Exam Tip
Choose the answer about conflicting records and continued reliability assessment. Reject invented rules about fixed checks, second appraisers or blanket claims about new sources.
Common Mistakes to Avoid
- -Assuming more data automatically means more reliable data
- -Believing a second appraiser must verify each source
- -Assuming newer data sources are less accurate
Concept Deep Dive
Analysis
This question tests why more data does not mean less verification. Additional sources can differ in coverage, dates and definitions and can conflict. The appraiser still must assess the relevance and reliability of material information, so volume does not substitute for credibility.
Background Knowledge
Appraisers now draw on MLS, public records, commercial databases and other sources. Each may define items such as living area or sale date differently, so conflicts must be investigated and resolved before relying on material information.
Real-World Application
An appraiser pulls a comparable from three databases and finds three different sale dates. She checks the recorded deed to establish the actual date before using the sale.
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