before publishing information include:
How do you know this to be true? What does this really mean? Who else knows this? Is there any other way of looking at this? Has it always been this way? Who profits from things being as they are? What motives might a source have to say this is true? Does this claim seem reasonable? Is the person making the claim willing to be questioned about it?
http://www.poynter.org/2016/9-questions-that-help-you-verify-information/442576/ |