The COVID-19 pandemic represents a threat not only to individuals’ physical health but also to their mental health. Self-Determination Theory assumes that the satisfaction of basic psychological needs for autonomy, relatedness and competence promotes psychological well-being during destabilizing times. Yet, the pandemic seriously hampered individuals’ opportunities to satisfy their needs. The current study provides a preliminary test of the effectiveness of a 7-session online program, LifeCraft, that promotes individuals’ proactive attempts to uplift their need-based experiences (i.e., need crafting). Next to the effects on individuals’ need crafting skills, we examined program-effects on adults’ need-based experiences and mental health and we explored the role of participants’ program engagement. An experimental study among 725 Belgian adults [ M age = 51.67 ( range = 26 – 85); 68.55% female] was conducted, with an experimental condition of 252 and a control condition of 473 participants. At the level of the entire sample, there was limited evidence for the effectiveness of the program. There were only small immediate program-effects on need crafting and well-being. After taking into account the role of program engagement, findings showed that the program was more beneficial for participants who actively participated, with these participants reporting immediate and stable increases in need crafting, need satisfaction and well-being and decreases in need frustration. Further, changes in need crafting fully mediated changes in need-based experiences and well-being. To conclude, the findings provide initial evidence for the effectiveness of LifeCraft during the COVID-19 pandemic, with active participation being a prerequisite for the program to be effective.

Data availability statement:The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. The R scripts to carry out the analyses are publicly available on Open Science Framework: https://osf.io/bpc2a/?view_only=943b99ec3521460583eb303d7b96ae5b.

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