puits (1) risque (1) marqueur (1) plomb (1) laboratoire (1) information (1) exposition (1) expérience scientifique (1) abords (agglomération) (1) Students (1) Risk (1) Questionnaires (1) Persons (1) Men (1) Human beings (1) Lead (1) Hypothesis (1) Gambling (1) Forecasting--Study and teaching (1) Forecasting (1) Continuity (1) Attention (1) Addition (1) Behavior (1) Losses (1) Students (1) Gambling (1) libre arbitre (1)