Application of three different coaching strategies for people with emotional eating 95 4 Conclusion Qualitative results showed that people with emotional eating clearly prefer dialectical coaching in both the “when experiencing cravings” and “after emotional eating” conditions. Our study revealed that the participants were at different stages of knowledge and awareness about the role of emotions in their eating behaviour and emotion regulation abilities. Vignettes showed to be effective in finding out opinions of people with emotional eating about their coaching preferences under different conditions. The given results allow us to make the first attempt to define what particular kind of virtual coaching people with emotional eating need in specific circumstances, but additional research is needed to collect monitoring information [103] in order to personalize the coaching as precisely as possible and keep users motivated in the long term. Acknowledgements The authors would like to thank Nickée de Jonge (BSc) for coding a selection (10%) of the data (four-eyes principle). The authors also wish to acknowledge the valuable contribution of the subjects in this study. Authors’ contributions AD designed and conducted the study, analyzed the data, and prepared the manuscript for publication. CB supervised all aspects of the study from inception to manuscript preparation. All authors read and approved the final manuscript. Funding Not applicable. Availability of data and materials The qualitative datasets (i.e. transcripts, coding, and themes) used and/or analyzed during the current study are available from the corresponding author upon reasonable request. Ethics approval and consent to participate This study was approved by the ethics committee of the Faculty of Behavioural, Management and Social Sciences of the University of Twente (registration no. 18033) on 27 February 2018, and was conducted between 13 April and 13 May 2018.
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