Jacob O. Wobbrock

schoolUniversity Of Washingtonbar_chart#365 Global Rank

Total Papers

HCI Rank

#365

Research Areas

Years Active

Recent Publications

Ability Heuristics for Conducting Accessibility Inspections

The accessibility of interactive technologies is often evaluated using checklists that are low-level, numerous, and platform-specific. Such checklists are typically used by accessibility experts, leaving everyday designers and developers with little support for assessing their own interfaces. To make accessibility eva…

CHI '26CorrespondingHonorable MentionUser Research Methods (Interviews, Surveys, Observation) +2

Quantifying the Novelty Bias when Evaluating Interactive Prototypes

Experiments in human-computer interaction (HCI) often evaluate whether a prototype is “better,” but novelty alone can affect users’ judgments and possibly performance. To quantify this effect, we conducted a within-subjects study of 48 participants comparing four pairs of functionally identical prototypes (mice, keybo…

CHI '26CorrespondingAutomated Driving Interface & Takeover Design +2

A Framework for Adapting In-Car Touchscreen Interfaces to Driver Behaviors, Perception, and Cognition

Although in-car touchscreens expand interaction possibilities, they risk compromising driver safety and vigilance. We propose a data- and expert-informed framework for designing adaptive touchscreens that respond to a driver’s usage profile and cognitive state, maximizing usability while mitigating safety risks. First…

CHI '26CorrespondingVoice Accessibility +2

TaskAudit: Detecting Functiona11ity Errors in Mobile Apps via Agentic Task Execution

Accessibility checkers are tools in support of accessible app development, and their use is encouraged by accessibility best practices. However, most current checkers evaluate static or mechanically-generated contexts, failing to capture common accessibility errors impacting mobile app functionality. In this work, we…

CHI '252nd AuthorVoice User Interface (VUI) Design +1

Supporting Mobile Reading While Walking with Automatic and Customized Font Size Adaptations

The pervasive use of mobile devices for information consumption makes reading on-the-go an unavoidable daily occurrence, whereby walking creates a natural situational impairment for reading. In this work, we quantify the impact of walking on reading performance and compare automatic system adaptations with user custom…

CHI '23CorrespondingVisual Impairment Technologies (Screen Readers, Tactile Graphics, Braille) +1

A11yBoard: Making Digital Artboards Accessible to Blind and Low-Vision Users

Digital artboards, which hold objects rather than pixels (e.g., Microsoft PowerPoint and Google Slides), remain largely inaccessible for blind and low-vision (BLV) users. Building on prior findings about the experiences of BLV users with digital artboards, we present a novel tool called A11yBoard, an interactive multi…

CHI '22CorrespondingVisual Impairment Technologies (Screen Readers, Tactile Graphics, Braille)

VoxLens: Making Online Data Visualizations Accessible with an Interactive JavaScript Plug-In

JavaScript visualization libraries are widely used to create online data visualizations but provide limited access to their information for screen-reader users. Building on prior findings about the experiences of screen-reader users with online data visualizations, we present VoxLens, an open-source JavaScript plug-in…

CHI '22CorrespondingHaptic Wearables +2

TypeAnywhere: A QWERTY-Based Text Entry Solution for Ubiquitous Computing

We present a QWERTY-based text entry system, TypeAnywhere, for use in off-desktop computing environments. Using a wearable device that can detect finger taps, users can leverage their touch-typing skills from physical keyboards to perform text entry on any surface. TypeAnywhere decodes typing sequences based only on f…

CHI '22CorrespondingVoice Accessibility +2

A Large-Scale Longitudinal Analysis of Missing Label Accessibility Failures in Android Apps

We present the first large-scale longitudinal analysis of missing label accessibility failures in Android apps. We developed a crawler and collected monthly snapshots of 312 apps over 16 months. We use this unique dataset in empirical examinations of accessibility not possible in prior datasets. Key large-scale findin…

CHI '21CorrespondingVisual Impairment Technologies (Screen Readers, Tactile Graphics, Braille)

Understanding Blind Screen-Reader Users' Experiences of Digital Artboards

Two-dimensional canvases are the core components of many digital productivity and creativity tools, with "artboards" containing objects rather than pixels. Unfortunately, the contents of artboards remain largely inaccessible to blind users relying on screen-readers, but the precise problems are not well understood. Th…

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