volatilité (1) temps (durée) (1) recherche (1) modèle (1) index (1) jeune (1) Longitudinal studies (1) Scores (1) Longitudinal studies (1) Cases (1) Personality development (1) Values (1) Value (1) Time study (1) Time (1) Tallies (1) Self-interest (1) Research (1) Perspective (1) Personality change (1) Personality (1) Orderliness (1) Materialism (1) Manufacturers' agents (1) Longitudinal method (1) Life (1) Intellect (1) Individualism (1) Growth (1) Example (1)