Qualitative analysis
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RECRUITMENT
Of a total of 37 contacted, 17 (OLP n = 8 and IP n = 9) did not respond to the recruitment request or declined to participate. The twenty study participants who took part in the interview had a mean age of 23.7 (± 5.4) years, 70% of them were female and 95% psychology students (see The interviews consisted of 106’946 words in total. Based on this material, 816 codes were generated, of which 651 were used for the analysis. The codes were summarized into 36 categories, which in turn were subsumed to 14 main categories. These categories were integrated into 4 key themes: (1) attitude towards the intervention, (2) applicability of the intervention, (3) experience of effects and (4) characteristics of the imagination. Due to congruent content between the IP and OLP coding systems, theme 1 to 3 capture both interventions, while theme 4 relates only to the IP group. 