Autonomous and Controlled Motivation in a Randomized Controlled Trial Comparing School-based and Computerized Depression Prevention Programs. - Marlou Poppelaars; Yuli R. Tak; Anna Lichtwarck-Aschoff; Rutger C. M. E. Engels; Adam Lobel; Sally N. Merry; Mathijs F. G. Lucassen; Isabela Granic (GFHEU, 2014)