Ratio Studies Reimagined: Examining the New IAAO Standard

Presentation Category

08 OVERSIGHT AND COMPLIANCE REVIEW

General Session Description

The Research and Standards Committee has updated the Standard on Ratio Studies. This new version has been reorganized and includes principles, improves readability, internationalizes concepts, outlines proper use of confidence intervals to verify reliability of results, and features a new vertical equity measure. This presentation focuses on primary assessor and oversight agency application.

Audience Expertise

Intermediate (Ideal for the participant with a general knowledge within the areas covered.)

Location

Glen 201/202

Start Date

10-15-2026 11:00 AM

End Date

10-15-2026 12:00 PM

Moderator

Russ Thimgan, Thimgan & Associates

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Oct 15th, 11:00 AM Oct 15th, 12:00 PM

Ratio Studies Reimagined: Examining the New IAAO Standard

Glen 201/202

The Research and Standards Committee has updated the Standard on Ratio Studies. This new version has been reorganized and includes principles, improves readability, internationalizes concepts, outlines proper use of confidence intervals to verify reliability of results, and features a new vertical equity measure. This presentation focuses on primary assessor and oversight agency application.