Lagerberg, H.; Boswell, J. F.; Constantino, M. J.; Andersson, G.; Carlbring, P. Does Practice Make Perfect? The Effects of an Eight-Week Manualized Deliberate Practice Course With Peer Feedback on Patient-Rated Working Alliance in Adults: A Pilot Randomized Controlled Trial. Clin Psychol Eur 2024, 6, Article e12353.