Efficacy of a Positive Psychology Intervention Through a Mobile App

"Participants think about themselves in a past when they displayed their best self. Then, they visualize this with the help of audio instructions.~They will practice within a mobile app."

"Participants think about themselves in the future after everything has gone as well as it possibly could. Then, they visualize this with the help of audio instructions.~They will practice within a mobile app."

"Participants think about the activities they did during the last 24 hours. Then, they visualize this with the help of audio instructions.~They will practice within a mobile app."