Table 2 Topics and example questions

Helpful practices

Practices associated with increasing positive emotions and/or self-awareness; and/or decreasing negative emotions and self-criticism.

Of all the practices and exercises we have done during the course, which were helpful (if any)?

Unhelpful practices

Practices identified as unhelpful because they increased negative emotions, and/or generated self-criticism.

Of all the practices and exercises we have done during the course, which were unhelpful (if any)?

Neutral practices

Practices not related to any particular effect.

Of all the practices and exercises we have done during the course, which had a neutral effect (i.e., neither helpful or unhelpful)?

Barriers

External and/or internal factors that interfered with the learning process and practice.

In your opinion, did anything interfere with your learning process

(e.g., the group format, the therapist’s embodiment of the skill, your previous training …)?

Facilitators

External and/or internal factors that facilitated the learning process, skills-training, and the homework assignments.

In your opinion, did anything facilitate your learning process

(i.e., the group format, the therapist’s embodiment of the skill, your previous training …)?

Effects

Consequences related to the intervention. Internal effects on mood, self-awareness and/or self-dialogue.

External effects on social functioning.

Did you experience any changes during the training?

Has the course had any effect on you?

Has anything changed for you since you finished the course?