Learn how iPad users interact with apps and websites on their devices, and whether usability improves with time as people practice and learn new interfaces.
The design guidelines are based on 2 rounds of usability studies, conducted one year apart. We observed participants working on their own iPads to accomplish a broad variety of tasks.
1st Edition: The study was conducted in 2010, immediately after the first iPad tablet became available to the public.
2nd Edition: We conducted a follow-up study a year later to study improvements in interface designs and changes in behavior as a result of exposure and practice.
We strongly recommend that you read the 2nd edition first, because it has the newest information and is based on testing more mature iPad apps.
Only bother downloading the 1st edition if you are very interested in tablet user experience. We keep it available because there are many interesting usability findings derived from our testing of early apps that were riddled with design mistakes (even the best designers didn't know any better at the time). If you read the 1st edition, you can avoid repeating those old mistakes.
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