When using pictures, make sure faces are looking at you, or at the product.
Sharron Rush Knowbility | @sharrush Top 5 Accessibility Mistakes Lack of good ALT text on images. Poor structure/in-page navigation. Use semantic markup. Lack of Keyboard Access. No labels for form fields. Insufficient contrast. Install an accessibility toolbar! How to find users for user research:
5 users are enough to find 85% of the problems, given a probablity of 31% of a user encountering a problem.
If problems are less obvious, you need more users.
Karis & Virzi formerly of Verizon Multiple research techniques are necessary. UT can't work by itself. 4 Classes of Techniques: How product is actually used. Web Analytics How product is used in realistic context. Contextual Inquiry, Diary Studies, Ethnography How user reacts. Usability Testing How users feel. Surveys, Emails
Karis & Virzi formerly of Verizon Case Studies: