Instruction and study (1) Development (1) Reliability (1) Variation (1) Methods (1) Dialogue analysis (1) Track and field athletes (1) Time (1) Sports records (1) Self-evaluation (1) Self-disclosure (1) Scientists (1) Necessity (Philosophy) (1) Impact (1) Critics (1) Criticism (1) Attitude (Psychology) (1) Attention (1) Athletic ability (1) Methods (1) Research (1) Prizes, etc (1) Yields (1) Measurement (1) Public opinion (1) Expertising (1) Sports (1) Practice (1) Performance (1) Necesidad (Filosofía) (1)