Table 2 Measures

 Symptom-Check List (SCL-K11; [62])

x

 Depression Scale (ADS-K; [63])

x

 Demographics

x

x

 Big Five Personality Inventory (BFI-2; [59])

x

x

x

 Big Five Personality Inventory (BFI-2-S; [61])

x

x

x

 Big Five Personality Inventory 2 (BFI-2-S; [61])

x

 Big Five personality states

x

x

 Affect (PAM; [75])

x

x

 Information about current environment

x

 Stress level

x

 Realization of implementation intention

x

 Opportunities for realization of implementation intention

x

 Strength of change goal

x

x

x

x

 Subjective perception of change

x

x

x

 Learning experience

x

 Inclusion-of-the-Other-in-the-Self [71]

x

biweekly

x

 Working Alliance Inventory (WAI-SR, [67])

x

biweekly

x

 Perception of Robots [69]

x

x

 Trust [70]

x

four-weekly

x

 Demographics

x

x

x

 Type and closeness of relationship

x

x

x

 Time spent with target person

x

x

x

 Willingness to change [60]

x

 Implicit theory of personality [64]

x

x

x

 Satisfaction with life domains [2]

x

x

x

 Satisfaction with Life Scale [65]

x

x

x

 Rosenberg Self-Esteem Scale (RSES; [66])

x

x

x

 Engagement in self reflection

x

x

 Engagement in practice

x

x

 Feedback on components of the coaching

x

 Technology acceptance scales [74]

x

x

 Internet users’ privacy concerns [89]

x

 Technical anxiety [90]

x

 Manipulation check items

x

x