Managers who resort to temper outbursts or aggression are often trying to conceal their own insecurities and lack of competence.
Flattery seems to temper the aggressive urges of insecure leaders. When Fast and Chen coaxed the egos of these volunteers by praising their leadership skills, their aggressive tendencies all but disappeared. This is proof that [...]

Mapped out career paths in large companies may be all well and good for the individuals concerned, but if these people are transferred into areas requiring skills that are beyond their core competencies – something that is referred to as the “Peter Principle” – the outcome may not be so desirable…
The problem is that common [...]

As I read this, unless someone has specifically been told they are incompetent, they will assume they are in fact perfectly competent.
And given this feeling of complete competence, they will further assume they are of generally “above-average” ability in their professions, life, etc.
The more incompetent someone is in a particular area, the less qualified [...]