Parents (3) Students (3) Parents (3) Élégance (3) Élèves (3) Diagnosis (2) Children (2) Communication (2) Piping (2) Nootropic agents (2) Symptoms (2) Student adjustment (2) Stimulants (2) Sports records (2) Social status (2) Service industries (2) School children (2) School age (Entrance age) (2) Probabilities (2) Plausibility (Logic) (2) Morale (2) Attention-deficit hyperactivity disorder (2) Goodwill (Commerce) (2) Girls (2) Central nervous system (2) Athletic ability (2) Use studies (2) Use studies (2) Valuation (2) Age (2)