I’d interpret it as “evidence which bears on the question X” as opposed to “Evidence which supports answer Y to question X.”
For instance, if you wanted to know whether anthropogenic climate change was occurring, you would want to search for “evidence about anthropogenic climate change” rather than “evidence for anthropogenic climate change.”
I’d interpret it as “evidence which bears on the question X” as opposed to “Evidence which supports answer Y to question X.”
For instance, if you wanted to know whether anthropogenic climate change was occurring, you would want to search for “evidence about anthropogenic climate change” rather than “evidence for anthropogenic climate change.”
Fair enough, that makes sense. I guess I just wasn’t used to seeing this verbal construct before.