Feedback on topic: Licensing

[arfon]

As described in the README, we'd love to hear from you about any existing survey instruments you know of that that explore the survey topic areas we're interested in.

Please use this issue to let us know about existing survey instruments and research on Licensing:

How do open source project maintainers select licenses? What considerations go into the selection of an open source license? Is the license (or lack of) of a project a significant factor when choosing whether or not to contribute to or use a project?