Efficacy of Different Versions of the Best Possible Self Intervention

Efficacy of Different Versions of the Best Possible Self Intervention: a Randomized Controlled Trial

The aim of this study is to analyze the efficacy of several variations of an already validated Positive Psychology Intervention (PPI) called Best Possible Self, using Information and Communication Technologies (ICT) in general population. Participants are randomly assigned to one of 4 conditions: BPS PAST condition, BPS PRESENT condition, BPS FUTURE condition, and CONTROL condition (daily activities).

Intervention lasts 7 days. Participants come to the laboratory the first day, they fill up assessment questionnaires and practice the assigned exercise. Then, they practice the assigned exercise for 6 more days at home.

The main hypothesis is that all three experimental conditions will enhance wellbeing comparing to the control condition.

Inclusion Criteria:

• Participants must be 18 years old or older.
• Participants must be willing to participate in the study.
• Participants must have computer with Internet access and e-mail address.

Exclusion Criteria:

• To suffer from moderated or severe depression as established by a score of 20 or more in the Beck Inventory of Depression (BDI-II; Beck, 1996).