The Impact of an Integrated ACT-Based Psychological Intervention (SmartACT) on Attention and Psychological Flexibility in Adolescent Student-Athletes. - Madár Barabási, Timea; Costea-Bărlutiu, Carmen; Ordean, Mircea-Nicolae; Mancini, Nicola; Popovici, Cornelia; Grosu, Vlad Teodor; Zadic, Alexandru; Pop, Rares-Mihai; Cristea, Dana Ioana; Grosu, Emilia Florina; Barboni, Emanuela Lucreția; Monea, Dan (Applied Sciences (2076-3417), 2026)