ux checklist
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Wayne’s Mobile UX Check-ListWayne Pau, Emerging Technologies SAP
Internal
Wayne Pau, Emerging Technologies SAPNov, 2012
Wayne’s UX ChecklistUsability Check-List for creating Usable Apps
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UX Checklist
1. Invisible vs. Visible
2. Arbitrary vs. Convention
3. Inconsistent vs. Consistent
4. Unintelligible vs. Informative (intuitive)
5. Impolite vs. Courteous
6. Dangerous vs. Safe
7. *Complexity vs. Simplicity
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UX Checklist#1 - Invisible vs. Visible
Make things obvious. (Clickable vs. Non)
Relevant parts should be Visible
Provide immediate Feedback
Doors: Slide vs. Swing? Push vs. Pull? Left vs. Right? Manual vs. Automatic?
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UX Checklist#1 - Invisible vs. Visible
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UX Checklist#2 - Arbitrary vs. Convention
Leverage Conventions
Instructions should be Unnecessary*
Knowledge exists:1. In the World – Labels, Instructions, Warnings
2. In the Head – Conventions, Norms, Guides
Leverage “In the Head” Knowledge
Dominant, sub-dominant & subordinate
*Help Pages are “OK”. This also does not minimize the need for support materials.
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UX Checklist#2 - Arbitrary vs. Convention
“Almost” Everywhere Province of QuebecCity of Syracuse
“Irish” Traffic Light
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UX Checklist#2 - Arbitrary vs. Convention
Aoccdrnig to rseerach at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a total mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh?
PS: Hwo'd yuo lkie to run tihs by yuor sepll ckehcer?
© 2012 SAP AG. All rights reserved. 9Internal
UX Checklist#3 - Inconsistent vs. Consistent
Consistency equals Quality. Be Consistent.
“Differences are Difficult” - UseIt.com
“Internal Coherence” – Alan cooper
“When two elements of an interface conflict or are ambiguous, the behavior should be that which will least surprise the human
user.”
- Principle of Least Astonishment (POLA/PLA)
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UX Checklist#4 - Unintelligible vs. Informative
Two main goals of IxD:
1. Be Intuitive where Possible
2. Be Obvious or Self-Evident
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UX Checklistwww.jimcarey.com
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UX Checklist#5 - Impolite vs. Courteous
Most Crucial on Error Pages and Alerts
User are already Stressed and “On Edge”
Vulnerable to the “Halo Effect”:
“
“If we see a person first in a good light, it is difficult subsequently to darken that light”
- Edward Thorndike (1920)
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UX Checklist#5 - Impolite vs. Courteous
One person’s “Rudeness” CheckList:
“
1. They pop up on the critical paths where a gentle touch is vital (email sign-up,
shopping carts)
2. They are in red
3. THEY ARE SHOUTING AT YOU IN CAPITALS
4. They use the inaccessible language of legal professionals ("...that requires
correction??")
5. You are being told off
6. You feel stupid and humiliated
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UX Checklist#5 - Impolite vs. Courteous
“
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UX Checklist#6 - Dangerous vs. Safe
Is this good UX Design?
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UX Checklist#6 - Dangerous vs. Safe
Answer: No.
Users tend to pick Default option more often
Users don’t Read all the options
Default should be Safe or Recoverable
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UX Checklist#7 – Complexity vs. Simplicity
Can 2 Clicks be collapsed into 1 Click?
Can any words be Omitted?
Can any steps be Shortened?
Can any steps be Automated?
“#17 – Omit Needless Words: Vigorous writing is concise. A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts.”
- William Strunk, Jr. and E B. White (The Elements of Style)
“Get rid of half the words on each page, then get rid of half of what’s
left.”
- Steve Krug (2006)
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UX ChecklistAim for Simplicity! Less is More.
“Simplicity is the ultimate sophistication.” - Leonardo da Vinci
“Everything should be made as simple as possible, but not simpler.” - Albert Einstein
“Nothing is more simple than greatness; indeed, to be simple is to be great.” - Ralph Waldo
Emerson
“..in anything at all, perfection is finally attained not when there is no loner anything to add,
but to when there is no longer anything to take away..” - Antoine de St. Exupery
