Public criticism is a form of bullying. Even if an employee makes a mistake and deserves punishment, he deserves also solving it with you in private.
You have ridiculous expectations
Managers must clearly communicate their expectations to their people and offer a helping hand if needed. Deadlines for completing projects must be realistic.
You share too much personal details
Your employees are not your psychotherapists. They do not have time to solve your personal problems. Like you do not want them to bring their personal life to work, they expect the same from you.
You make inappropriate remarks
Any remark whereby employees are ashamed, blush or feel uncomfortable is inappropriate. This applies to verbal expressions as well as for email.
You evaluate work performance using factors such as gender, race, age or religion
These factors have nothing to do with performance and can be considered discriminatory.
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Article source Forbes.com - prestigious American business magazine and website