This bachelor thesis focuses on stress and its influence on work performance of employees from two selected fields of work. Aim of this thesis is to determine how stress affects employees with different job and how does it influence their work efficiency. Thesis is split in two parts. Theoretical part is based on studies from professional publications, where it defines the characteristics of stress and concepts that are connected to stress. Empirical part is focused on research of stress affecting different groups of respondents: Tesco manual workers and Česká spořitelna administrative employees. This research was conducted via questionnaires and its results were processed by corresponding statistical methods. The results of this research...