designing invisible interfaces - an approach to user experience for software no one wants to use
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Copyright 2006 Pathfinder Associates www.pathf.com
This Won’t Hurt a BitDesigning Invisible Interfaces for Health Care Providers
Pathfinder Developmenthttp://www.pathf.com
Matthew NolkerSholom Sandalow
Copyright 2006 Pathfinder Associates www.pathf.com
If you design software for health care
providers, you should be designing invisible
interfaces
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Copyright 2006 Pathfinder Associates www.pathf.com
An Invisible Interface:• Accommodates the notion that
interacting with the software is not the primary goal or responsibility of the user
• Allows operation without looking at the interface
• Reduces the time it takes to perform data entry
• Critical in workplaces where using software is a distraction from someone’s primary responsibility
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Copyright 2006 Pathfinder Associates www.pathf.com
Invisibility is Another Quality of User Interfaces
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Intuitive
Efficient
Error Free
Entertaining
Invisible
Copyright 2006 Pathfinder Associates www.pathf.com 9
Copyright 2006 Pathfinder Associates www.pathf.com
Things You Learn When You Hang Out at a Blood Bank
Copyright 2006 Pathfinder Associates www.pathf.com 16
Step 1: No Waiting in Line to Enter Data
Copyright 2006 Pathfinder Associates www.pathf.com 17
STATUS
Process Data Entry
Step 2: Create a Simple Workflow that Directly Tracks the Phlebotomist’s Donation Process
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Copyright 2006 Pathfinder Associates www.pathf.com 18
STATUS
Arm Start Time
PREPLOT #1
PREPLOT #2
UP DOWN
START 01:03:09
Arm
SueJohnsonD of B: 10/14/1970
BLEED #
WB 1234567891PROCEDURE
00:00:00ELAPSE TIME
FailDonor Info
ExitMJH
Copyright 2006 Pathfinder Associates www.pathf.com 19
STATUS
00:00:00WB 1234567891
ARM
Left
CANCEL
Right
Both
SueJohnsonB-day: 10/14/1970
00:00:00
BLEED # ELAPSE TIME
WB 1234567891BLEED #
Donor Info
ExitMJH
Fail
Copyright 2006 Pathfinder Associates www.pathf.com 20
Arm Start Time
PREPLOT #1
PREPLOT #2
UP DOWN
START 01:03:09
Prep
SueJohnsonD of B: 10/14/1970
BLEED #
WB 1234567891PROCEDURE
00:00:00ELAPSE TIME
FailDonor Info
ExitMJH
RightArm
Copyright 2006 Pathfinder Associates www.pathf.com 21
STATUS
Please Scan Prep #1
Bar Code
PREP #1
CANCEL
SueJohnsonB-day: 10/14/1970
00:00:00
BLEED # ELAPSE TIME
WB 1234567891BLEED #
Donor Info
ExitMJH
Fail
Copyright 2006 Pathfinder Associates www.pathf.com 22
Arm Start Time
Prep
UP DOWN
START 01:03:09
Prep
SueJohnsonD of B: 10/14/1970
BLEED #
WB 1234567891PROCEDURE
00:00:00ELAPSE TIME
FailDonor Info
ExitMJH
Arm
927820436
SJohnson
Copyright 2006 Pathfinder Associates www.pathf.com 23
STATUS
1 2 3 4
No
Please confirm successful procedure:
Success
SueJohnsonB-day: 10/14/1970
00:00:00
BLEED # ELAPSE TIME
WB 1234567891BLEED #
FailDonor Info
Exit
Cancel
MJH
00:00:00WB 1234567891
Finish
Failure
CANCEL
Success
SueJohnsonB-day: 10/14/1970
00:00:00
BLEED # ELAPSE TIME
WB 1234567891BLEED #
FailDonor Info
Exit
TBD
MJH
Retry
Step 3: Simple, readable and intuitive interaction and information design
Copyright 2006 Pathfinder Associates www.pathf.com
- Susan McBride, Haemonetics (IDM)
"You know it really works. We laugh about it - we don't even have to demo it, [the phlebotomists] just
take it out of your hands and start using it."
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Copyright 2006 Pathfinder Associates www.pathf.com
Coming soon:Full copy of the 45 minute World Usability Day presentation on Invisible Interfaces in Health Care
Best Practices for Designing Invisible Interfaces
Developing Invisible Interfaces - How to Build Useable Software with a User Experience Driven Development Process
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