 The study found that internet-based mobile supported stress management interventions, ISMIs, were effective in reducing perceived stress and improving mental health and work-related outcomes in a broad range of employees, regardless of pre-selection. The subgroups that did not benefit had extreme values on the respective measures and represented only a small proportion of the sample, indicating the broad applicability of Git.On Stress. This article was authored by David Daniel Ebert, Marvin Franck, Anna Carlotta Zarski, and others.