Overconfidence used in a sentence

Overconfidence in a sentence as a noun

If he communicated it to the math guy and the CEO, they could have very likely brushed off his concerns in their overconfidence.

The suppression of doubt contributes to overconfidence in a group where only supporters of the decision have a voice.

It's widely known that mergers usually don't meet expectations, so maybe overconfidence would lead a CEO to think they could escape this statistical fate.

I've been in situations where overconfidence and unrealistic optimism were the norm rather than the exception.

But this kind of automatic behavior has other costs, for example the Air France´s A330 that crashed in my opinion was due to an overconfidence in such automatic recover.

Are we suggesting that overconfidence shows up statistically as differentiated from other poor performance?

Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

Not entirely wrong, but some criticisms:- overconfidence: scientists are much better at saying "this is a hypothesis we are testing", "we are 80% confident" or "not all of my colleagues agree with this thesis" than science journalists are at reporting those things.- is anthropology a science now?