Which of the following actions is an appraiser prohibited from performing?

The action that an appraiser is prohibited from performing is appraising betterment of a vehicle. This is because betterment involves evaluating improvements or enhancements to a vehicle that go beyond ordinary repair. While appraisers can estimate repair costs and perform value analyses based on the current condition of the vehicle, assessing betterment can introduce a subjective judgment about the value added by upgrades or modifications. Appraisers must adhere to specific guidelines that limit their scope to prevent conflicts of interest and maintain objectivity in their assessments.

In contrast, estimating repair costs, conducting market research, and performing value analysis are all integral parts of the appraisal process. These actions are necessary for determining the fair value of a vehicle and are typically within the purview of an appraiser's responsibilities. By prohibiting the appraisal of betterment, the guidelines help ensure that appraisers do not overvalue a vehicle based on subjective improvements that may not accurately reflect its market value.