Table 1.

Modules of the Internet-based Stress Intervention (IG) and the Internet-based psychoeducation program (active CG).

Module	StudiCare Fernstudierende	Psychoeducation
1	Introduction Psychoeducation, information about stress and preview of subsequent sessions	Introduction Prevalence and types of stress; Biological response to stress; Effects of stress on emotions, thought, somatic symptoms
2	Problem-solving Stress management strategies, systematic problem-solving using a 6-step problem solving heuristic	Causes of stress Common stressors among students; Lazarus' transactional model of stress
3	Muscle- and breath relaxation Information on basic principles of muscle and breath relaxation, audio exercises for daily usage	Does stress have the same effect on all individuals? Short and long-term consequences of stress; inter-individual differences in stress response
4	Mindfulness Coping with self-criticism, mindfulness exercises	What effect does stress have on the body? Physiological response to stressors; evolutionary background of stress reactions; stress and performance
5	Acceptance and tolerance Dealing with unsolvable problems, psychoeducation on and exercises for acceptance and tolerance of unpleasant emotions	Cognitive appraisal Common dysfunctional thoughts contributing to perceived stress; 5 steps for cognitive reappraisal
6	Self-compassion Self-criticism in precarious situations, defusion of self-worth and performance, exercises for positive self-support, overcoming dysfunctional perfectionistic thought-action patterns	Coping and resources Typical resources and coping mechanisms for stress
7	My master plan Recognizing physiological warning signs, creating a plan for the future	Health Definition of health and sense of coherence
8	Booster session Further information on self-help and psychotherapy, evaluation of training transfer, recap of all sessions, repetition of previous exercises	Booster session Recap of previous material