Under USPAP, what is an appraiser required to do with data when developing appraisals?

The correct choice highlights that appraisers have an obligation to analyze data that supports their opinion of value when developing appraisals. Under the Uniform Standards of Professional Appraisal Practice (USPAP), it is essential for appraisers to conduct thorough analyses of relevant data, considering all pertinent information available that can contribute to a well-supported value conclusion. This data may include comparable sales, market trends, economic conditions, and other factors that influence property value.

In this context, appraisers must ensure their analyses are comprehensive and well-documented, allowing them to substantiate their appraisals effectively. A robust analysis helps ensure that the final appraisal is accurate and credible, which is vital for maintainin professionalism and trust in the appraisal process.

The other choices do not align with USPAP’s requirements. Using only government-provided data would limit the appraiser's ability to consider a full range of relevant information. Ignoring data from previous appraisals could lead to overlooking valuable insights that contribute to the understanding of market conditions and property performance over time. Lastly, restricting data to only the last five years ignores potential historical trends that could significantly impact current value assessments. Thus, the commitment to analyze data that supports their value opinion is not only a best practice but a necessary aspect