temps (durée) (1) stress (1) état (1) établissement scolaire (1) enfant (1) Longitudinal studies (1) Longitudinal studies (1) Individual differences (1) Weights and measures (1) Time (1) Temperament (1) Streets (1) Scalp (1) Saliva (1) Months (1) Longitudinal method (1) Kindergarten (1) Hypothesis (1) Hydrocortisone (1) Hair (1) Forecasting--Study and teaching (1) Evidence (1) Education (1) Anxiety (1) Publications (1) Schooling (1)