George Dell

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Biased Unbiasedness?

George Dell

Biased thinking, biased analysis — a part of the appraisal process? The Appraisal Institute is starting to address some bias-related critical issues — head on. Cindy Chance, the CEO of the AI, in her recent posts noted the role of human bias as a natural phenomena of the survival of the species. She cited the […] The post Biased Unbiasedness?

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Is Inferential Statistics Relevant?

George Dell

Inferential statistics, at its core, is concerned with making inferences about a population based on a sample drawn from that population. It involves analyzing sample data to draw conclusions about the broader population because the broader population is either too large to analyze, unknown, or hypothetical. While invaluable in many scientific disciplines and research contexts, […] The post Is Inferential Statistics Relevant?

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USPAP Fallacies, Foibles, and Violations? Part 2

George Dell

The second of our “foibles” in USPAP may be from that same paragraph on page (ii), noted last week. This paragraph effectively sets the mission statement for the Appraisal Foundation. The paragraph is titled: “ABOUT THE APPRAISAL FOUNDATION.” It states the AF provides “guidance on recognized valuation methods and techniques for all valuation professionals.

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USPAP Fallacies Foibles and Violations? Pt1

George Dell

The USPAP (Appraisal Standards) publication starts with a self-telling paragraph titled: “ABOUT THE APPRAISAL FOUNDATION.” This paragraph presents the Appraisal Foundation’s self-claimed place as “the nation’s foremost authority on the valuation profession.” This “foremost” claim immediately places it in contention with other governmental and professional standards.

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A New Appraisal Approach?

George Dell

“A new valuation modeling paradigm” are the words used by the late Dr. Marv Wolverton. He is the author of the Appraisal Institute’s book on statistics for appraisers. He created the term in a response to my peer-reviewed Appraisal Journal article: “Common Statistical Errors and Mistakes: Valuation and Reliability.” The article itself can be summed […] The post A New Appraisal Approach?

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Education Stagnation Repudiation?

George Dell

Appraiser education is about a proven and “well-established” process! Developed nearly 100 years ago! The idea is to balance demand on supply, then explain where the subject fits. 1930s: Find some comps, compare, conclude. 2000s: Pick some comps, adjust to fit, conclude. Yesterday: Pick good comps, adjust, adjust, conclude. The embedded old ways obstruct modern […] The post Education Stagnation Repudiation?

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Creepy Transaction Creep?

George Dell

Transaction costs are added to every property transaction. Is this add-on a fair addition to the fundamental, intrinsic value a buyer gets? Is it part of the value of the home? Or is it something else? Is this a public policy issue? Is it an appraisal issue? And, is it yet one more question about […] The post Creepy Transaction Creep? appeared first on George Dell, SRA, MAI, ASA, CRE.

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