Many intelligent and well-educated people mistakenly believe that asking questions makes them somehow look less intelligent. Ironically the tendency to avoid asking questions actually reduces your ability to learn.
Appearance, environment, history, politics, and what’s going on in someone’s personal life all shape how we judge others. So the real challenge for managers is to be fair in determining what exactly “merit” refers to when a he or she recognizes, rewards or meters out consequence.
Nothing damages someone’s professional credibility as quickly as an error, even a minor one. While a simple calculation error or typo can seem trivial in the scheme of things, it implants doubt into your customer’s mind.