We commend the EPA team for re-estimating its model of the relationship between gasoline lead and blood lead in an effort to rule out alternative explanations for its initial finding of a strong...

We commend the EPA team for re-estimating its model of the relationship between gasoline lead and blood lead in an effort to rule out alternative explanations for its initial finding of a strong positive relationship. Would we also commend the team if it had initially found no relationship but continued to modify their models in an effort to find a positive effect?