2026-09-21T02:18:34Zhttps://userhub.com.bd/oai-pmh/

oai:userhub.com.bd:121292025-04-12

Adaptive Font Size Accessibility: A Cross-Media Diagnostic Model Wahid bin Ahsan accessibility cross-media font size Human-computer Interaction inclusive design legibility perceptual clarity readability typography ux wcag Font size is a foundational but inconsistently addressed factor in accessible user experience (UX) design. Across web, mobile, print, slides, and signage, font size decisions are shaped by divergent standards and assumptions, often lacking a unified, context-sensitive framework. This paper synthesizes insights from accessibility guidelines, vision science, and UX research to propose a diagnostic model for evaluating font size legibility across media. The model introduces perceptual clarity as a functional outcome shaped by five core variables: media format, viewing distance, user visual characteristics, content criticality, and environmental conditions. Rather than prescribing fixed thresholds, the model supports adaptive, evidence-aligned sizing decisions responsive to situational demands. It aims to guide designers, evaluators, and policy actors toward more inclusive, interoperable, and context-aware typographic practices. Userhub Userhub Journal 2025-04-12 info:eu-repo/semantics/article application/pdf https://doi.org/10.58947/journal.vfry23 https://userhub.com.bd/publications/adaptive-font-size-accessibility-a-cross-media-diagnostic-model/ info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://userhub.com.bd/download/report/adaptive-font-size-accessibility-a-cross-media-diagnostic-model.pdf en