Code, conflict, and conduct

As the author of the survey, I can say that the survey was not given in the context of querying for abusive behavior. I do not believe it can be used as evidence of the number of people who have been abused. Here is the wording that was used:

12. Please think about a single change that you made to the Linux kernel, that you did NOT submit upstream. Please answer the following questions to describe your reasons for NOT submitting your change:

...

15. My change was not good enough to submit to upstream (e.g. it was a quick hack or workaround, not suitable for upstream).
Strongly agree, agree, neutral, disagree, strongly disagree

16. I was afraid my patch would be rejected.
Strongly agree, agree, neutral, disagree, strongly disagree