From the evaluation folks at AE365:
"You’re not limited to surveys, interviews and focus groups: While surveys and focus groups are wonderful tools, there are so many more tools and techniques that you can use for both data collection and decision-making purposes. Have you ever used nominal group technique? How about fishbone diagrams, World Café or multicriteria analysis? Our book has summaries of 23 tools and techniques such as these."
Available in full text online