All of the following are techniques to manage your stress levels EXCEPT ____________________.

Managing stress effectively involves adopting positive attitudes and behaviors that contribute to overall well-being. The ability to laugh is indeed a beneficial coping mechanism when it is directed toward oneself or shared in a constructive and inclusive manner. However, laughing at others can have the opposite effect; it can create a hostile environment, foster resentment, and lead to increased stress, both for the individual who is being laughed at and for the person engaging in this behavior.

The other options relate to one's mental and emotional resilience in the workplace. A positive attitude toward one's job can enhance job satisfaction and reduce stress levels. Similarly, a healthy self-concept allows individuals to maintain confidence and self-esteem, which are crucial in managing stress. Furthermore, having a constructive attitude towards colleagues and those encountered during work fosters better relationships and reduces conflict, contributing to a less stressful work environment. Thus, laughing at others stands out as a detrimental action that is not a helpful technique for managing stress levels.