One of my main projects at Ithaka was to improve the search experience on JSTOR, an academic database for researchers.  Working closely with a dedicated agile product team, we followed lean research and design principles to iterate and improve on the search experience. 

To test and validate our ideas we used the following methods:

• Weekly user testing and interviewing with prototypes
• Guerrilla paper prototyping
• Analysis of website traffic
• A/B Tests
• Surveys
• Ethnography and contextual inquiry

Here is a sample of the deliverables I produced.  As much of UX is about process, none of the following documents are the finished or final version: