MA (Psych.) Tetta Hämäläisen defends her doctoral dissertation in psychology "Adolescents’ usage activity, adherence, and gains from a brief online acceptance and commitment therapy-based intervention to promote psychological well-being".
Opponent is Professor Maritta Välimäki (University of Turku) and Custos is Professor Noona Kiuru (Ä¢¹½Ö±²¥).
The event will be held in Finnish. The event can also be followed live online at
The dissertation can be read at .