Teenagers (2) Symptoms (2) Anxiety (2) puits (1) trajectoire (1) temps (durée) (1) besoin (1) modèle (1) énergie (1) Testing (1) Treatment (1) Methods (1) Contingent valuation (1) Labor (1) Weights and measures (1) Time (1) Testing (1) Psychotherapy (1) Psychology (1) Prophecies (1) Power resources (1) Power (Mechanics) (1) Nature (1) Girls (1) Force and energy (1) Example (1) Change (1) Attention (1) Associations, institutions, etc (1) Methods (1)