Health Literacy Online: Design for Usability and Accessibility€¦ · Health Literacy Online:...
Transcript of Health Literacy Online: Design for Usability and Accessibility€¦ · Health Literacy Online:...
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Health Literacy Online: Design for Usability and Accessibility
Xanthi Scrimgeour, MHEd, MCHES
Stacy Robison, MPH, MCHES
@CommunicateHlth
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About CommunicateHealth
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“The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.”
Tim Berners-Lee, W3C Director
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What We’ll Cover
What we know about web users with limited literacy skills
Strategies for creating easy-to-use and accessible health websites
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Warm Up
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We are online.
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Nearly 90% of adults use the internet.
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72% of internet users looked online for healthinformation in the last year.
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Half of online health research is on behalf of someone else.
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60% say their most recent search had an impact on their health or the way they care for someone else.
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We struggle with complex health
information.
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Users with limited literacy skills are…
Willing to use the web to accesshealth information and services
Able to accomplish tasks whenwebsites are designed well
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More often than not, it’s a poorly designed website –more than limited literacy skills – that contribute to users’ challenges online.
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http://health.gov/healthliteracyonline/
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How the guide was developed
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Original research with more than 700 web users with limited literacy skills
Best practices from the literature on cognitive processing and the online behavior of adults with limited literacy skills
Principles of web usability
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What we know about web users with limited literacy skills
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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.
Prone to skipping and focus on the center of the screen
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Easilyoverwhelmedand limitedworkingmemory
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.
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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.
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Struggle withsearch
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More likely to be smart phonedependent
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Designing for small screens is critical.
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Mobile + Seniors
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Every 8 seconds a Boomer turns 65.
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72
70
78
69
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Seniors are Online
6 in 10 older adults go online.
71% go online everyday.
Tablets and e-readers are as popular as smartphones among older adults.
75% of adults over age 65 are living with at least 1 chronic health condition.
Source: Pew Internet and American Life Project
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Mobile reconnects them with the world and makes them feelrelevant
Voice feature can overcome dexterity and communication challenges
Voice-based alerts can compensate for short-term memory loss
Seniors + Mobile
Source: Sachs Insights
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ALL Users Benefit from Improved Readability and Usability
Comparing time-on-task on the original site with a prototype (designed to support users with limitedliteracy 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.
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Strategies for creating easy-to-use health websites
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Write Actionable Content1
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The web is for information (not documents)
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Write web content that:
Answers users’ questions
Helps users complete a task
Helps users make a decision
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Activity 1
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Poll: Multiple Choice
How long do you have to grab a user’s attentionon your website?
5 seconds
15 seconds
25 second
45 seconds
60 seconds
Web pages with clear value to the user will hold their attention longer.
Source:NielsonNormanGroup,2000
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Put the mostimportant information first
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Typical F pattern
Nielson Norman Group
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Providespecificaction steps
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Writing for Action
Which page would be most helpful if your child had asthma?
① “About asthma”
② “Asthma symptoms”
③ “Prevent asthma attacks at home”
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Prioritize the Behavior
Asthma makes breathing difficult for more than 34 million Americans.
Asthma in children is on the rise, but with proper treatment for symptoms of asthma, kids and adults can live well.
If someone in your family has asthma, start by getting rid of these common causes of attacks:
Mold or dampness
CockroachesSecondhand smoke
✗
✗
✓
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Display Content Clearly2
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Limit paragraph size, use bullets and short lists
Version 1 Version 2
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Make websites responsive and design them to meet user needs
Desktop Mobile
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Make interactions easy by placing frequently used buttons where they are easy to reach
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Make your Site Accessible
Makesurescreenreadersandotherassistivetechnologiescanreadyoursite
Checkthatuserscannavigateyoursiteusingonlyakeyboard
Choosestrongcolorcontrast,especiallyforbuttons
Testcontentthatrequirestheuseofplug-insordedicatedsoftwareforaccessibility
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Organize Content and Simplify Navigation 3
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Create linear information paths
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Give buttons meaningful labels. Skip generic labels, like ‘Next’ or ‘Back’
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Good content organization enables users to find information quickly.
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Using Labels
Which link will have information on asthma triggers?
① Air Pollution & Respiratory Health
② Indoor Air Quality
③ Asthma and Allergies
?????
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Include a simple search function
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Engage Users 4
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Engage users with interactive content
Invite users to customize content and provide feedback.
Email information to a friend.
Print out a recipe.
Take a poll or rate the information on the site.
Use a calorie or BMI calculator.
Enter personal data like age or weight to gettailored tips.
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Provide information in multiple formats to engage users and foster learning.
For example:
Share information through multimedia
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Visuals to show spatial information (like maps)Text to communicate information you want users to remember in the long termSound to convey information you want users to remember in the short term
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Make content interactive
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Provide tailoredinformation
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Make it printer-friendly!
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Test your site with users with limited literacy skills 5
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Thecurseofknowledge……
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Poll: Fill in the Blank
Usability testing with 5 participants will reveal _____% of usability problems.
§ 15%§ 35%§ 60%§ 85%§ 95%
[Source:NielsonNormanGroup,2000]
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Activity 2
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Top 10 Tips for User Testing
① Partner with community organizations to recruit special populations
② Screen for participants with limited literacy and limited technology use
③ Develop screeners, consent forms, and moderator’s guides in plain language
④ Use cash incentives when possible
⑤ Test whether your content is understandable and actionable
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Top 10 Tips for User Testing
⑥ Be cautious using remote and online testing
⑦ Pre-test your moderator’s guide
⑧ Choose a moderator with experience conducting research with limited literacy participants
⑨ Conduct testing sessions in a setting that is familiarand accessible to participants
⑩ Test on mobile using the participant’s device; ensure Wi-Fi is available
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Your website is a work in progress.
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Resources!
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communicatehealth.com/blog
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Thank you!
@ CommunicateHlth