29
User-Centered Design with Limited Literacy Audiences What you need to know Mary Ann Petti, MPH, CHES + @MaryAnnPetti + @CommunicateHlth

HxRefactored 2015: Mary Ann Petti "User-Centered Design with Limited Literacy Audiences"

Embed Size (px)

Citation preview

1. User-Centered Design with Limited Literacy Audiences What you need to know Mary Ann Petti, MPH, CHES + @MaryAnnPetti + @CommunicateHlth 2. Presentation Overview Why do we need to care about health literacy? What we know about limited literacy users Sample methods: considerations when working with limited literacy audiences 10 tips for involving participants with limited literacy skills 3. Which of the following is the strongest predictor of a persons health status? Income Employment Education level Racial or ethnic group Literacy skills 4. Health Literacy An individuals ability to obtain, process, and understand basic health information and services needed to make appropriate health decisions. 5. Literacy vs. Health Literacy 6. Health Literacy Level by Task 7. What we know about users with limited literacy skills 8. What We Know Users with limited literacy skills are Willing to use the Web to access health information Able to accomplish tasks when websites are designed well More likely to use a mobile phone to access the Web than a desktop 9. Prone to Skipping & Focus on the Center of the Screen Gaze path of a participant with limited literacy skills who reads only the text that looks easy to read. Source: Colter, A and Summers, K (2014). Low Literacy Users. In Bergstrom & Schall (Eds.), Eye Tracking in User Experience Design (p. 339). Waltham, MA: Elesvier. 10. Easily Overwhelmed & Limited Working Memory Gaze path of a participant who does not have limited literacy skills. Source: Colter, A and Summers, K (2014). Low Literacy Users. In Bergstrom & Schall (Eds.), Eye Tracking in User Experience Design (p. 335). Waltham, MA: Elesvier. 11. Easily Overwhelmed & Limited Working Memory Gaze path of a participant with limited literacy skills attempting to read every word. Source: Colter, A and Summers, K (2014). Low Literacy Users. In Bergstrom & Schall (Eds.), Eye Tracking in User Experience Design (p. 336). Waltham, MA: Elesvier. 12. ALL users benefit from improved readability and usability Comparing time-on-task on the original site with a prototype (designed to support users with limited literacy skills): Time on Task (Mean) Original Site Prototype Improvement High literacy 14:19 5:05 +182% Lower literacy 22:16 9:30 +134% All users 17:50 6:45 +164% High Literacy Users: 3x as fast with the revised site 93% success rate on revised site (compared to 68% with original) Source: Summers, K., & Summers, M. (2005). Reading and navigational strategies of Web users with lower literacy skills. 13. Sample methods: considerations when working with limited literacy audiences 14. Sample Method: Collaging Participants create a collage that represents the characteristics they would like to see in a new website Result: Provides insights into users needs normally not revealed in interviews and focus groups 15. This is how I feel free and full of energy. I want my doctor to understand that this is how I want to feel with his or her help. 16. Sample Method: Tree Testing A technique for evaluating how easy it is for people to locate information within a material or website structure Participants are given a topic to find within a text version of a site map or table of contents 17. Tree Testing with Professionals Task: Where would you go to learn what Wisconsin is doing to support Healthy People 2020? This chart represents an unsuccessful task on a website targeting low lit consumers 18. Tree Testing with Limited Literacy Users Task: Where would you find healthy snack ideas for kids? This chart represents an unsuccessful task on a website targeting low lit consumers 19. Sample Method: Usability Testing Participants use a website or app to complete tasks while observers listen, observe, and take notes Avoid think-aloud protocols and allow more room for free exploration 20. Usability testing with limited literacy users 21. Use this tool to get recommendations based on your age and sex 22. Where would you go if you were looking for a new place to take your kids to the doctor in Janesville? 23. 10 tips for involving participants with limited literacy skills 24. Top 10 Tips Partner with community organizations to recruit special populations Screen for participants with limited health literacy using proxy measures Screen for participants for limited technology use Develop screeners, consent forms, and moderators guides in plain language Use cash incentives when possible 25. Top 10 Tips Limit the number of tasks Be cautious using remote and online testing Pre-test your protocol with at least one participant with limited literacy skills Choose a moderator with experience conducting research with limited literacy participants Conduct testing sessions in a setting that is familiar and accessible to participants 26. Why should I do user testing? When it come to understanding your product your users are the experts. All products have problems. (Some more than others.) Your users will almost always find them. ROI 27. The Bottom Line? 28. Helpful Resources 29. Thank you! Mary Ann Petti [email protected] communicatehealth.com