The article concerns Acceptance and Commitment Training (ACT), which can be used as emotional support for employees especially in the face of the consequences of the COVID-19 pandemic. The results of research on the impact of the COVID-19 pandemic on employee wellbeing were discussed. Then, six elements of acceptance and commitment training, that help to develop psychological flexibility, are described: defusion, acceptance, contact with the present moment, values, committed action, self-as-context. The concept of ACT has also been compared with the concept of emotional intelligence. Finally, the benefits of acceptance and commitment training in the workplace, confirmed by research and experiments, are presented.

The article concerns concepts widely known and used in teaching management, which either did not withstand scientific verification, or are highly controversial or misunderstood and misinterpreted. Three of them, relating to the key areas of management, namely communication, motivation and intercultural management, have been critically assessed. It covers the formula 7-38-55 by A. Mehrabian, the theory of the hierarchy of needs by A. Maslow and the concept of cultural dimensions by G. Hofstede. The article presents the background of the above mentioned concepts, their limitations, errors or inaccuracies. For each of the critically evaluated concepts, alternative concepts have been presented.