Physical activity planning interventions, body fat and energy-dense food intake in dyads: ripple, spillover, or compensatory effects? - Kulis, Ewa; Szczuka, Zofia; Banik, Anna; Siwa, Maria; Boberska, Monika; Zarychta, Karolina; Zaleskiewicz, Hanna; Knoll, Nina; Radtke, Theda; Scholz, Urte; Schenkel, Konstantin; Luszczynska, Aleksandra (Psychology & Health, 2025)