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arXiv · 2606.21663

Measuring What Matters: A Quantitative UX Evaluation Framework for AI-Assisted Home Search

Matilda Nkoom
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Abstract

AI-assisted conversational search is rapidly displacing filter-based interfaces across the major home search portals. Redfin's deployment of conversational search produced a 47\% lift in tour requests, and Zillow launched "AI Mode" in March 2026. Recent consumer surveys indicate that a large majority of Americans now use AI tools for housing market information. Yet the evaluation frameworks practitioners apply to these products remain borrowed from general-purpose usability testing, tools designed for deterministic, filter-driven interfaces that do not capture the distinctive failure modes of AI-driven experiences. This paper proposes a four-layer quantitative evaluation framework purpose-built for AI-assisted home search: recommendation system quality, interaction efficiency, attitudinal measurement, and trust calibration. For each layer, validated instruments, production-derived benchmarks, and practitioner-ready implementation guidance are provided. A minimum viable metric set and a worked example illustrating the framework's application to a mid-sized portal are included to support immediate adoption.

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Matilda Nkoom. 2026-06-19. Measuring What Matters: A Quantitative UX Evaluation Framework for AI-Assisted Home Search. https://arxiv.org/abs/2606.21663

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