In an article that should surprise nobody here:
"Incompetent people are too incompetent to know they’re incompetent: study"
http://www.therecord.com/living/article/678279--incompetent-people-are-too-incompetent-to-know-they-re-incompetent-study
"Incompetent people are too incompetent to know they’re incompetent: study"
http://www.therecord.com/living/article/678279--incompetent-people-are-too-incompetent-to-know-they-re-incompetent-study