article 2019 Effects of Self-Talk Training on Competitive Anxiety, Self-Efficacy, Volitional Skills, and Performance: An Intervention Study with Junior Sub-Elite Athletes Nadja Walter, Lucie Nikoleizig, Dorothee Alfermann JournalSportsDOI10.3390/sports7060148Publication typeOriginal ResearchPopulationjunior sub-elite athletes View on DOI ↗