Exploring coach and parent transformational leadership and their associations with social identity in adolescents.

The main objective of this study was to explore the associations between the transformational leadership of coaches and parents and adolescent athletes' social identity and examine the roles of gender and the stage of adolescence in these relationships. Furthermore, this study aimed to provide empirical evidence on measurement invariance across gender and the adolescent stage in the adapted Spanish version of the Social Identity Questionnaire for Sport (SIQS). The sample consisted of 656 athletes (299 males and 357 females) from 12 to 18 years old (M = 15.

The role of the psychedelic experience in psilocybin treatment for treatment-resistant depression.

Objective: To determine the relationships between psilocybin dose, psychedelic experiences, and therapeutic outcome in treatment-resistant depression.

Methods: For treatment-resistant depression, 233 participants received a single dose of 25, 10, or 1 mg of COMP360 psilocybin (a proprietary, pharmaceutical-grade synthesized psilocybin formulation, developed by the sponsor, Compass Pathfinder Ltd.) with psychological support.

Results of a healthcare transition learning collaborative for emerging adults with sickle cell disease: the ST3P-UP study transition quality improvement collaborative.

Background: Individuals with sickle cell disease (SCD) experience poor clinical outcomes while transitioning from paediatric to adult care. Standards for SCD transition are needed. We established a Quality Improvement (QI) Collaborative that aimed to improve the quality of care for all young adults with SCD by establishing a standardised SCD transition process.

Fear of Fat, Processes of Change, and Weight-Related Behaviors in Mexican and Spanish Adolescents.

Background: Fear of fat is a relevant variable in initiating weight regulation behaviors in adolescents. However, little is known about the experiential and behavioral change processes that mediate the choice between healthy and unhealthy weight regulation behaviors in this population.

Method: The general objective was to examine the predictive role of fear of fat on weight-related behaviors (healthy and unhealthy weight control behaviors) through the mediation of experiential and behavioral change processes (consciousness raising, counterconditioning, helping relationships, reinforcement management, self-liberation, self-reevaluation, stimulus control, substance use) in 838 adolescents aged 15-19 years from Mexico and Spain using parallel mediation analysis.