Smyth, A, Syrek, C, Reins, J A, Domin, M, Janneck, M & Lehr, D 2018, ' User experience predicts the effectiveness of a gamified recovery app : Investigation of Holidaily—an app promoting recovery behavior after vacation and during daily working life ', Pravention und Gesundheitsforderung, vol. 13, no. 4, pp. 319-326 . https://doi.org/10.1007/s11553-018-0664-z Smyth, A, Syrek, C, Reins, J A, Domin, M, Janneck, M & Lehr, D 2018, ' User experience predicts the effectiveness of a gamified recovery app : Investigation of Holidaily—an app promoting recovery behavior after vacation and during daily working life ' Pravention und Gesundheitsforderung, vol 13, no. 4, pp. 319-326 . DOI: 10.1007/s11553-018-0664-z