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![Page 1: Maura Bidinost User Experience Designer Omnyx LLC Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out.](https://reader030.fdocuments.us/reader030/viewer/2022032516/56649c725503460f94924808/html5/thumbnails/1.jpg)
Maura BidinostUser Experience DesignerOmnyx LLC
Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out
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Primary Uses of Digital Pathology Today
Turn Around Time
Vol
ume
NON-CRITICAL CRITICAL
LO
W
HIG
H
Research
Frozen Sections
2nd Opinions
Routine Sign-out
Education
Digital Pathology Rarely used
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FDA
CE Mark
Provincial Regulations
CAP
Regulatory
What Hinders Adoption for Routine Sign-out?
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Image Quality
Time to Image
Scalability
FDA
CE Mark
Provincial Regulations
CAP
TechnologyRegulatory
What Hinders Adoption for Routine Sign-out?
Quality
Team
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Image Quality
Time to Image
Scalability
“I don’t have time to learn a new system.”
“Computers make things complicated.”
“It doesn’t accommodate my workflow.”
“I can’t afford to be slowed down.”
“I like my microscope.”
“I need to be able to trust the system.”
FDA
CE Mark
Provincial Regulations
CAP
Technology System InteractionRegulatory
What Hinders Adoption for Routine Sign-out?
Quality
Team Engineering
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User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Development
Analysis & Research
Evaluation
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User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Development
Analysis & Research
Evaluation
![Page 8: Maura Bidinost User Experience Designer Omnyx LLC Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out.](https://reader030.fdocuments.us/reader030/viewer/2022032516/56649c725503460f94924808/html5/thumbnails/8.jpg)
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Design
Development
Evaluation
User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Analysis & Research
• Site Visits
• Contextual Inquiry & Design
• Competitive Analysis
• Heuristic Evaluation
• Affinity Diagramming
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User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Development
Analysis & Research
Evaluation
![Page 10: Maura Bidinost User Experience Designer Omnyx LLC Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out.](https://reader030.fdocuments.us/reader030/viewer/2022032516/56649c725503460f94924808/html5/thumbnails/10.jpg)
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Development
Analysis & Research
Evaluation
User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Design
• Persona’s
• Storyboarding
• Needs Validation
• Wireframes
• Participatory Design
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User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Development
Analysis & Research
Evaluation
![Page 12: Maura Bidinost User Experience Designer Omnyx LLC Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out.](https://reader030.fdocuments.us/reader030/viewer/2022032516/56649c725503460f94924808/html5/thumbnails/12.jpg)
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User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Development
Analysis & Research
Evaluation
![Page 13: Maura Bidinost User Experience Designer Omnyx LLC Usability: A Critical Factor in the Successful Adoption of Digital Pathology for Routine Sign-out.](https://reader030.fdocuments.us/reader030/viewer/2022032516/56649c725503460f94924808/html5/thumbnails/13.jpg)
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Development
Evaluation
User-Centered Design (UCD)UCD is a philosophy in which the end user is placed at the center of the process and given extensive attention at each stage.
Design
Analysis & Research
Evaluation
• Heuristic Evaluation
• Performance Testing
• Think-Aloud Usability Testing
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• Participants are presented with a realistic set of tasks
• Participants are asked to say whatever they are seeing, thinking, doing, and feeling, as they go about their task.
• Participant’s actions on the screen and facial expressions are generally recorded as well as observed first hand by a usability specialists.
• Upon completion of each task, participants are generally presentedwith a brief questionnaire thatprovides more quantitative feedback.
What is Think-Aloud Usability Testing?
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Think-Aloud Testing Conducted (so far)
Study #1• 2 Institutions *• 10 Subspecialties• 1 Fellows• 2 Residents• 8 Pathologists *
Study #2 • 2 Institution *• 10 Subspecialties• 2 Fellows• 6 Residents• 10 Pathologists *
* Same institutions and many of the same pathologists used in both studies.
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Date Collected
• Participant Demographics
• Task completion rates
• Time on Task
• User subjective difficulty ratings
• Verbal and written feedback
• Professional observations
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How Did We Ensure Data Accuracy?
Every pathologist is unique from the way they navigate within a case and between slides to how they organize their day and the tools they use. Creating a realistic environment in order to obtain accurate data is much more difficult than imagined.
Everything was set up to be as realistic as possible
Datasets included participants real cases
Testing was conducted in participants normal working environment
Testing was customized for each participant to match their individual workflow – including other software and devices typically used.
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Analyzing the Findings
Usability Severity Rating Scale
4Critical usability problem. Could lead to patient care issues or seriously affect the adoption of our system. No workaround exists.
3Major usability problem. Could severely affect Pathologist efficiency and workaround is cumbersome.
2Minor usability problem. Could moderately affect Pathologist efficiency, but easy workaround exists.
1 Cosmetic or training issue
FrequencyDifficulty
to Overcome
PersistenceMarket Impact
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The Results
46 Enhancements
2 Studies
2 Institutions10 Subspecialties
3 Fellows8 Residents
10 Pathologists
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“I don’t have time to learn a new system.”
“Computers make things complicated.”
“It doesn’t accommodate my workflow.”
“I can’t afford to be slowed down.”
“I like my microscope.”
“I need to be able to trust the system.”
Before UCD
What are they saying now?
“I went through a series of prostate cores and found that using the this system was faster than with a microscope.”
“Faster, workflow is smoother than with glass. Toggling back and forth between slides is much easier.”
“Capturing images for the tumor board is much more efficient than using a camera connected to the microscope.”
“If I was trying to do the same case digital with another system, it would have been frustrating.”
“Thrilled with the way this works, it’s fantastic.”
“I think it’s brilliant to be quite honest.”
After UCD
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Q&A