Tagalidou Nektaria, Baier Jessica, Laireiter Anton-Rupert
Department of Psychology, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.
Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010 Vienna, Austria.
Internet Interv. 2019 Mar 7;17:100242. doi: 10.1016/j.invent.2019.100242. eCollection 2019 Sep.
Three positive psychology interventions () were compared with a placebo control condition () in a randomized placebo-controlled online trial. A total of 182 healthy participants participated in a one week web-based diary study and completed evaluation measures at pre, post, and one month follow-up. They were recruited via e-mail and have been primarily students. Primary outcomes have been happiness and depressive symptoms, secondary outcomes coping humor, cheerfulness (and its subscales), and subjective perceived change. The intention-to-treat analysis (ITT) using linear mixed models could not replicate the positive effects of past research. When compared to the control condition, only the intervention influenced primary outcomes (r = 0.24-0.29). and had no effects at all. Secondary outcomes showed only isolated effects, so that no uniform effect pattern was found for the interventions. Reasons for the small effects, such as motivation and psychosocial status of the participants, as well as recommendations for future studies are discussed.
在一项随机安慰剂对照在线试验中，将三种积极心理学干预措施（）与安慰剂对照条件（）进行了比较。共有182名健康参与者参加了为期一周的基于网络的日记研究，并在研究前、研究后和一个月随访时完成了评估措施。他们是通过电子邮件招募的，主要是学生。主要结果为幸福感和抑郁症状，次要结果为应对幽默、开朗（及其子量表）和主观感知变化。使用线性混合模型的意向性分析（ITT）无法重复过去研究的积极效果。与对照条件相比，只有干预措施影响了主要结果（r = 0.24 - 0.29）。和根本没有效果。次要结果仅显示出个别影响，因此未发现干预措施的统一效果模式。讨论了效果较小的原因，如参与者的动机和心理社会状况，以及对未来研究的建议。
