Picture Planner: A Cognitively Accessible Personal Activity Scheduling Application
Thomas Keating · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06) · doi:10.1145/1168987.1169034
Summary
This paper presents Picture Planner, an icon-driven personal activity scheduling application developed by Eugene Research Institute for individuals with cognitive disabilities. The application addresses a significant gap in accessible software: while over 20 million Americans have cognitive disabilities (nearly 4.5 million with intellectual or developmental disabilities), most commercial software excludes them through complexity and dependence on reading ability. Picture Planner enables users to construct and manage daily and weekly activity schedules using a visual, icon-based interface rather than text. The application takes a metacognitive approach to activity planning, explicitly breaking down each scheduled activity into component considerations that neurotypical users process implicitly — what the activity is, who is involved, where it happens, how to get there, what it costs, what to bring, and what to wear. Users are systematically stepped through each of these dimensions when scheduling an activity, with options presented as selectable icons rather than text entries. The design incorporates three key principles: maximally independent use for people with limited reading ability while still supporting caregiver assistance; simplified interaction patterns that avoid confusing conventions like double-clicking and multi-window navigation; and a metacognitive scaffolding approach that makes implicit planning knowledge explicit and accessible.
Key findings
A field test with five students aged 16-21 in a community living skills program (with IQ and adaptive behaviour scores in the moderate to mild disability range) showed promising results over eight weeks. After an average of just 30 minutes of weekly instruction, participants averaged 54% successful completion of activity planning steps with either no assistance or only nonspecific verbal prompts. Individual completion rates ranged from 29% to 82%. The interface design used tri-modal icons combining images, text labels, and text-to-speech to serve users across different ability levels. Single-click operation throughout the application supported touch screen access and reduced confusion. Uncluttered layouts and flat navigation prevented users from getting lost in layered application windows. Users expressed sustained interest and looked forward to sessions, while staff observed improved self-esteem related to increased independence in computer use. The results indicate that with minimal instruction, users with significant cognitive disabilities can learn to use and benefit from computer-based self-management tools when designed with cognitively accessible interfaces.
Relevance
This paper demonstrates that cognitively accessible software design is both feasible and beneficial, challenging assumptions about the capability of users with intellectual and developmental disabilities to use technology. The design principles it articulates — tri-modal presentation (image, text, speech), single-click interaction, flat navigation, and metacognitive scaffolding — remain highly relevant for anyone designing accessible applications today. The metacognitive approach is particularly noteworthy: rather than simply simplifying an existing interface, the designers reconsidered what information users actually need to complete tasks successfully. Although the specific technology is dated, the underlying design philosophy applies directly to modern web and mobile applications serving users with cognitive disabilities, including scheduling apps, task managers, and daily living support tools.
Tags: cognitive accessibility · cognitive disabilities · intellectual disability · activities of daily living · self-management · icon-based interface · self-determination · life skills · visual prompts · scheduling